Technical Bulletins

Return to Support
  1. Technical Advisory Bulletin – Cleancut Pump A2EA-6527 - December 2016 - This bulletin advises that Cleancut pumps A2EA-6527 manufactured during months March, April and May 2016 might present a tightness issue on Inlet/Return ¼-18 NPTF plugs. In order to identify such pumps, it is necessary to check the date stamped on the top of the body: Before starting your burner, confirm the pump is not in the affected date range. … Continue reading Technical Advisory Bulletin – Cleancut Pump A2EA-6527
  2. Firomatic ½” FPT Fusible Safety Valve - October 2016 - Subject: Firomatic®  ½” FPT Fusible Safety Valve p/n 12130 Issue: Consumer Product Safety Alert – Immediate Action Required Remedy: Field Retrofit or Replacement Dear Valued Customer, Recently, we became aware of a design deficiency in our ½” ‘Firomatic’ Fusible Safety Valve part number 12130. This bulletin covers ONLY the ½” FPT version p/n 12130, previous  p/n … Continue reading Firomatic ½” FPT Fusible Safety Valve
  3. AquaSmart Freeze Resistance Operation - April 2016 - Beckett has received many questions about the “FREEZE RES” or freeze resistance feature built into all AquaSmart Controls. This bulletin provides an overview of the freeze resistance function. The AquaSmart is designed for use only in hot water systems. Purpose The purpose of the Freeze Resistance programming in the AquaSmart control is to provide additional protection against freeze up … Continue reading AquaSmart Freeze Resistance Operation
  4. CG4 Gas Burner Certifications - August 2015 - The Beckett CG4 Gas Burner has been evaluated by UL and certified to meet the standards for Domestic Gas Conversion Burners for the US and for Canada. The applicable standards met are ANSI Z21.17a-1998 and CSA 2.7-M98 (AMERICAN NATIONAL STANDARD/CSA STANDARD FOR DOMESTIC GAS CONVERSION BURNERS) and they address the burner requirements for the conversion of oil-fired … Continue reading CG4 Gas Burner Certifications
  5. 2N1R Assemblies and 7600P LWCO Enabled Sensors - February 2015 - Beckett has identified a manufacturing process issue with current production of the 7600P LWCO enabled sensors used in our 76002N1R assemblies. These sensors are used with our AquaSmart Boiler Control. This problem can cause a failure in the low water cutoff circuit.   If this occurs, the control will enter low water cutoff lockout and not … Continue reading 2N1R Assemblies and 7600P LWCO Enabled Sensors
  6. AquaSmart Sensor Firmware Update - September 2014 - AquaSmart Sensor Firmware Update to expand galvanic voltage operating range and improve compatibility with propylene glycol and corrosion inhibitors. Beckett has updated two parameters in the 7600P 2N1R sensor firmware (software). These changes address two conditions identified in the field.  The revision indicator on the 7600P sensor will change from REV D to REV E. … Continue reading AquaSmart Sensor Firmware Update
  7. AquaSmart Circulator Configuration Error - July 2014 - Products affected: Beckett AquaSmart Part Numbers 7600A and 7600B manufactured between 4/21/14 and 7/7/14 contain an error in the default configuration for the circulator. Only controls manufactured during this period have the error. Results of problem: The controls were configured to energize the circulator on a call for heat from the zone relay (ZR) instead of energizing … Continue reading AquaSmart Circulator Configuration Error
  8. AquaSmart Replaceable Sensor Update - June 2014 - As part of our continuous improvement process, Beckett is making changes to the 7600P sensor used in the 2N1R Replaceable Sensor/Well. The latest design of the sensor will provide improved Low Water Cutoff (LWCO) performance.  The new LWCO design is more sensitive and will provide reliable LWCO operation in difficult applications.  At the same time, … Continue reading AquaSmart Replaceable Sensor Update
  9. AquaSmart Firmware Revision - May 2014 - THE PROBLEM: Change in Automatic Low Limit, correcting Average Temperature Calculation A new revision of the AquaSmart Firmware has been put into production. This revision of the firmware has two changes: The automatic low limit function, which provided a low limit at 60 º F, has been removed.  This automatic low limit function operated when the … Continue reading AquaSmart Firmware Revision
  10. GeniSys Oil Control & Contractor Tool - April 2014 - THE PROBLEM: Control Lockout with Contractor Tool or Display Beckett has recently become aware of occasional problems when using the 52082 Contractor Tool or the 52067 Snap-on Display with our GeniSys line of oil primary controls.  The control response will depend on whether the control is an AC powered GeniSys control (7505, 7575, 7580) or … Continue reading GeniSys Oil Control & Contractor Tool
  11. Calculating Burner Amperage - September 2011 - Sometimes, questions arise about burner amperage ratings. Beckett residential burners have a UL maximum amperage (amp) rating on the burner label. This value enables flexibility, so the burner can be built with various components including: iron core ignition transformers, split-phase motors, higher horsepower motors, and other accessories that are outlined in our UL Construction Files. … Continue reading Calculating Burner Amperage
  12. AquaSmart Boiler Temperature Control - October 2009 - How Does a Traditional Boiler Temperature Control Operate The boiler temperature control acts as a limit switch. It is the central link for burner and circulator operation. The boiler temperature control has adjustable temperature sensing for limit control, which will be made to address different applications. The limit switch can be made to open on … Continue reading AquaSmart Boiler Temperature Control
  13. GeniSys™ Contractor Tool - August 2009 - The introduction of the GeniSys™ control system has been well received by the field.  To unlock the power of the GeniSys™ control, the GeniSys™ Contractor Tool has been made available to the technician.  It can retrieve the data to help solve problems and reduce time on the job.  There are a few important facts to … Continue reading GeniSys™ Contractor Tool
  14. Alternative Fuels and Beckett Burners - January 2009 - Beckett burners are developed and listed with petroleum fuel oil (burner fuel) meeting the national fuel standard, ASTM D396. From time to time, it is desirable or necessary to use alternative fuels that essentially meet this standard. The following list indicates the fuels that can be used without affecting your Beckett warranty. Note: This alternative … Continue reading Alternative Fuels and Beckett Burners
  15. Service Guidelines For Direct Vented Oilheat Systems - May 2007 - There has been a significant increase in direct vent installations in recent years. These systems have benefited our industry in many ways, such as eliminating the need for a chimney in new home construction, reducing installation costs, providing fresh outdoor air for combustion, enabling sealed combustion, reducing standby draft losses and reducing system noise. Certainly, direct vent … Continue reading Service Guidelines For Direct Vented Oilheat Systems
  16. Beckett’s Technical Position On BioDiesel - May 2006 - The Beckett Position R.W. Beckett fully supports the development of alternative sources of fuel for pressure-atomized residential and commercial oil burners. In this regard, R.W. Beckett is involved in the following initiatives: Working with the ASTM Petroleum Committee to include B5 biodiesel in the national fuel standard. Working with the UL Burner Technical Panel to approve Biodiesel … Continue reading Beckett’s Technical Position On BioDiesel
  17. An Introduction To The Beckett Cleancut Fuel Unit: Part I - February 2006 - The Beckett CleanCut fuel unit has been developed as a joint effort with Suntec Industries. This fuel unit has a higher capacity than traditional American pumps: up to 4 GPH at 100-150 psig, or 3 GPH at 100 to 200 psig. This technical bulletin discusses the advantages of the CleanCut fuel unit and provides important technical … Continue reading An Introduction To The Beckett Cleancut Fuel Unit: Part I
  18. An Introduction To The Beckett HeatManager™ - October 2004 - The HeatManager™ is the new microprocessor-based energy saving control from Beckett for use with new or existing boiler systems. This technical bulletin is intended to familiarize you with the HeatManager™, and to help you understand exactly how it works to save energy. Theory Behind The HeatManager™ The HeatManager™ adjusts the burner firing pattern to accurately match … Continue reading An Introduction To The Beckett HeatManager™
  19. An Introduction To PSC Motors - June 2004 - In March of 1993, Beckett released a technical bulletin entitled, “Burner Motor Service Facts” which addressed basic operation and service of the split phase motor used on the Model AF and AFG oil burners. As a companion to that bulletin, this bulletin will discuss operation and troubleshooting of the permanent split capacitor (PSC) motor available for all burners … Continue reading An Introduction To PSC Motors
  20. Getting Acquainted With Electronic Igniters - June 2004 - You may have noticed in the last ten years an increase in the number of appliances that use electronic or “solid state” ignitors. To help you become more familiar with this device and its operation, we have compiled a list of some features and characteristics of electronic ignitors, as well as tips for servicing and troubleshooting them. … Continue reading Getting Acquainted With Electronic Igniters
  21. New Features In The Beckett R7184 Series 5 Primary Controls - April 2004 - Advances in electronics technology are making an exciting impact in our oilheat industry. These developments have enabled control manufacturers to put high-performance features into residential primary controls. Since its introduction in 1999, the Beckett R7184 primary control has made advancements and added features to meet the need of a changing industry. This technical bulletin will … Continue reading New Features In The Beckett R7184 Series 5 Primary Controls
  22. An Introduction To The Beckett Cleancut Fuel Unit: Part II - December 2003 - The Beckett CleanCut pump is constructed from many of the same components used in the traditional style Suntec A2VA-7116 pump, however it operates in a significantly different way. This difference requires the use of a cover gasket that includes a top center hole. This technical bulletin will discuss the Beckett CleanCut pump’s gasket. DESCRIPTION OF … Continue reading An Introduction To The Beckett Cleancut Fuel Unit: Part II
  23. The Effect Of Elevation On Oil Burner Firing - August 2003 - The elevation of the installation of a modern high-speed flame retention oil burner affects the performance of the burner. Allowance for elevation must be taken into consideration when choosing an oil burner and operating it above 2000 feet. It is especially important in high elevation installations to adjust air settings to match the burner nozzle … Continue reading The Effect Of Elevation On Oil Burner Firing
  24. The Annual Clean-Up: What Should It Include? - November 2002 - Now that we are in the heating season, many burner service contractors are performing the annual clean-up or servicing of their customers’ appliances. What exactly does the serviceman do on these annual clean-ups? Let’s review a list of things that are usually involved. It is essential in performing any professional task to have a good … Continue reading The Annual Clean-Up: What Should It Include?
  25. Preventing Air Tube Burn-Off - October 2002 - What causes air tube burn-off? Can it be prevented? These questions occasionally arise. First, let us see if we can understand exactly why this happens. The air tube is fabricated from cold-rolled steel, which has a maximum operating temperature range of 1000°F. This has proven adequate over the years, primarily due to the fact that … Continue reading Preventing Air Tube Burn-Off
  26. How Combustion Is Affected By Cold Oil And Air - September 2002 - Several previous Technical Information Bulletins have touched on the effect of temperature on oil-fired appliance performance. This edition of our technical bulletin series will discuss the impact of cold oil and cold air on combustion in a modern flame retention oil burner. Cold oil can have a significant impact. The viscosity (resistance to flow) of … Continue reading How Combustion Is Affected By Cold Oil And Air
  27. Successfully Locating Suction Line Leaks - June 2002 - Many oil heat service technicians encounter problems with air in the oil supply system. Most are caused by the use of COMPRESSION FITTINGS, but leaks can be found elsewhere. You may recognize the following air related symptoms: Loss of flame retention (flame pulsates on end cone). Loss of oil prime causing lock-out on safety. Rough … Continue reading Successfully Locating Suction Line Leaks
  28. Standardizing Electrode Settings - May 2002 - For many years our electrode settings have remained unchanged. However, in recent years we found that an alternate electrode setting worked well in certain applications. This change amounted to lowering the electrode tips downward from the old standard 7/16” to 5/16” above the nozzle centerline. We have seen an improvement in light-offs with the 5/16” settings, especially … Continue reading Standardizing Electrode Settings
  29. CF1400 Blower Wheel (21268) Field Repair Bulletin - April 2002 - The blower wheel is a critical component of any oil burner and provides the necessary air for burning the atomized fuel. R. W. Beckett is issuing this technical bulletin to help the service technician identify and correct problems with the CF1400 blower wheel, part 21268. BLOWER WHEEL FAILURE The CF1400 blower wheel is a 28-blade fan that … Continue reading CF1400 Blower Wheel (21268) Field Repair Bulletin
  30. The Development Of Modern Primary Controls - August 2001 - Advances in electronics technology are making an exciting impact in our oilheat industry. These developments have enabled control manufacturers to put high performance features into residential primary controls. Residential controls are now being made available to you that have features that were previously found only with the expensive primary control units for commercial or industrial … Continue reading The Development Of Modern Primary Controls
  31. Solving Rumbles And Pulsations - December 2000 - Combustion noise can occur in three major areas: at start-up, during the run cycle, and at shutdown. The following information is provided to help you effectively troubleshoot these areas. RUMBLES AT START-UP COMBUSTION NOISE AT START-UP is a rumble that is heard at the beginning of the call for heat. DRAFT PROBLEMS: Follow the manufacturer’s … Continue reading Solving Rumbles And Pulsations
  32. Common Service Questions Asked About The AFG Oil Burner - January 2000 - Periodically, we receive important questions from service technicians and appliance installers pertaining to the Model AFG oil burner. This article will address the most frequently asked questions. 1. What is static pressure, and why is it important with today’s applications? Static pressure refers to the amount of compressive or expansive energy in a fluid or … Continue reading Common Service Questions Asked About The AFG Oil Burner
  33. Combustion Air Requirements For Oil Burners - April 1999 - To understand why oil burners need combustion air, let’s review the basics of how combustion occurs. Three elements must exist together in order for combustion to take place: A source of fuel, whether it is oil for an oil burner, wood for a fireplace, or rocket fuel for a rocket. A source of ignition to start the … Continue reading Combustion Air Requirements For Oil Burners
  34. Oil Solenoid Valves Are Useful - June 1998 - Electrically operated solenoid valves have been used in our oil heat industry for many years. They serve a useful purpose and provide several benefits. Listed below are several important aspects to consider. Benefits Provided by the Solenoid Valve The quick-acting solenoid cutoff virtually eliminates smoke at shutdown. By immediately stopping oil flow to the nozzle, … Continue reading Oil Solenoid Valves Are Useful
  35. Getting To Know The Model AFII Burners - August 1997 - In the mid 1980’s, the design of heating products in our industry began to take on a different look. Some manufacturers were developing smaller, more efficient appliances capable of sidewall venting. These appliance configurations required certain enhanced design features in a burner. A totally new burner concept with many built-in service and performance features was … Continue reading Getting To Know The Model AFII Burners
  36. Nozzle Line Electrode Assembly - April 1997 - PART I Beckett’s Optional Electrode Settings For many years our electrode settings have remained unchanged. However, in recent years we have found that an alternate electrode setting works very well in certain applications. This change amounts to lowering the electrode tips downward from the standard 7/16″ to 5/16″ above the nozzle centerline. Some installations are … Continue reading Nozzle Line Electrode Assembly
  37. Adjusting The M-Series Air Tube Combinations - February 1997 - The Beckett M-Series of air tube combinations were introduced in the mid-1980’s. Appliance designs were changing to improve efficiencies, the European-style boilers with more restrictive heat exchangers and “cooler” combustion chambers were being introduced. These appliance designs sometimes required an alternative to the F-type retention head design to optimize performance. The key to the M-Series’ … Continue reading Adjusting The M-Series Air Tube Combinations
  38. What Are The Benefits Of Nozzle Line Oil Heaters? - August 1993 - This question is being asked with more frequency, especially since we are all interested in improving combustion performance, appliance service and efficiency. Research Completed by Brookhaven National Laboratories A recent comprehensive study was made by Brookhaven and the results were published in Paper No. 93-11, entitled: An Assessment of Fuel Oil Heaters. Several thought-provoking conclusions … Continue reading What Are The Benefits Of Nozzle Line Oil Heaters?
  39. Burner Motor Service Facts - March 1993 - We have had many inquiries from you concerning oil burner motors and related service information. Therefore, we will present some basic principles of operation and service. Theory of Operation An AC motor consists of four basic components. See Figure 1. Rotor: Follows the rotating magnetic field and causes the rotation of the motor shaft. Stator: … Continue reading Burner Motor Service Facts
  40. A Practical Consideration Of A.F.U.E. Ratings And Burner Adjustment - April 1992 - Introduction In order to assist the consumer in purchasing heating appliances that conserve energy, the Department of Energy (D.O.E.) has established test procedures and Annual Fuel Utilization Efficiency ratings (A.F.U.E.). This information is presented on uniform rating labels for similar appliances and the annual operating costs are estimated for comparison purposes. Discussion of Efficiency Ratings … Continue reading A Practical Consideration Of A.F.U.E. Ratings And Burner Adjustment
  41. Delayed Ignition Part 2: Troubleshooting Delayed Ignition Within The Air And Oil Handling Systems - February 1991 - Our last issue addressed the electrical areas of the ignition system. This issue discusses two related systems that also can be contributing factors: The air and the oil handling systems. The Burner Air Handling System An oil burner delivers adequate combustion air over a wide range of firing rate inputs. Understanding the role of each … Continue reading Delayed Ignition Part 2: Troubleshooting Delayed Ignition Within The Air And Oil Handling Systems
  42. Delayed Ignition Part I: Electrical Factors To Consider When Troubleshooting - December 1990 - To provide you with adequate information on solving delayed ignition problems, we need more than one bulletin. Therefore, this bulletin will consider first the electrical factors involved. The February bulletin will consider all other causes. Delayed ignition problems can be difficult to solve. There are many possible factors making the problem rather complex. So, first … Continue reading Delayed Ignition Part I: Electrical Factors To Consider When Troubleshooting
  43. Preventing Water From Entering The Fuel System - October 1990 - Water and oil do not mix. Furthermore, water can create nuisance service problems in the oil supply system such as: Causing rust to form in the tank and lead to fuel pump damage. Freezing and blocking the supply line in certain outside tank installations. Providing an environment for bacterial growth and sludge formation. Contributing to … Continue reading Preventing Water From Entering The Fuel System
  44. Burner Performance And High Static Air Pressure - August 1990 - We continue to receive many questions regarding our Model AFG burner and its ability to develop “high static pressure”. This bulletin is intended to briefly explain the purpose of higher static pressure, the key operational components that develop it, and how the burner performance is seriously affected if these components are altered or removed. The … Continue reading Burner Performance And High Static Air Pressure
  45. Venting Multiple Appliances Into A Common Chimney Or Flue - April 1990 - Connecting more than one oil heating appliance to a common chimney can be easy and beneficial once we understand the basic guidelines. When following the guidelines for installation, the system will work for you. Disregard these guidelines, and the system can work against you. The flue and chimney sizing not only controls the exhaust of … Continue reading Venting Multiple Appliances Into A Common Chimney Or Flue
  46. The Effect Of High Oil Viscosity On Oil Burner Performance - February 1990 - Oil viscosity can be simply defined as the measure of the oil’s resistance to flow. No doubt most of us have seen what happens to syrup or molasses on a cold morning. In order to get the cold mass to flow easily, we had to add some heat. Actually, what we were experiencing was a … Continue reading The Effect Of High Oil Viscosity On Oil Burner Performance
  47. The Case For Dual Filtration - December 1989 - The goal of every oil burner serviceman is to assure dependable, on-going heat for the customer. This is why filtration of the oil supply makes sense. Look inside the fuel oil pump, or a burner nozzle and you’ll see that filters are included by the manufacturers of these components. They know that filters not only … Continue reading The Case For Dual Filtration
  48. Proper Burner Adjustment - October 1989 - It’s that time of year: new installations, no-heat calls, annual tune-ups. Each situation calls for proper burner adjustment. Whether you are installing a new burner, solving a problem, or conducting an annual service call, you eventually get to the point where you have to adjust the burner. If you do it professionally, you will be … Continue reading Proper Burner Adjustment
  49. Solving The No Heat Call Quickly - August 1989 - Most servicemen have personal strategies that work effectively for them. Results count, so use what methods you find effective. To help you, we have developed the following simplified procedure based on what many servicemen use. EQUIPMENT To diagnose burner malfunctions expertly, the service technician must have adequate equipment. We recommend that you have: An electrical … Continue reading Solving The No Heat Call Quickly
  50. Oil Quality: Some Facts To Consider - April 1989 - Much has been written about the quality of fuel oil in recent years. Some feel that at times oil can cause service problems. So, let’s consider some pertinent facts about residential fuel oils, including a close look at specifications and properties that affect burner operation. Fuel Oil Specifications There are variations within each grade of … Continue reading Oil Quality: Some Facts To Consider
  51. A Close Look At Oil Filtration - December 1988 - Using supply line filters with oil burning equipment makes good sense. A major reason is the age of the oil tanks in the field. Over the years, sediment, or sludge, accumulates in the tanks. The sludge is produced from the molecules of water and heavy oil that form in suspension. As they get heavier, they … Continue reading A Close Look At Oil Filtration
  52. Troubleshooting The CAD Cell - October 1988 - The cadmium sulfide cell, or cad cell, is part of the primary control system and is used to sense the presence of the oil burner flame. The cad cell assembly consists of the actual cell, a holder, and cord to connect the cell to the primary control. This detector is mounted in the air tube … Continue reading Troubleshooting The CAD Cell
  53. Understanding Transformers - August 1988 - The ignition transformer takes 120 volts AC and transforms it into 10,000 volts AC to ignite the oil droplets. There are a number of ways to test the output voltage of the transformer. The most accurate is to use a voltmeter capable of measuring 10,000 volts. With 120 volts input to the transformer, the output … Continue reading Understanding Transformers
  54. Direct Venting Of Oil Fired Appliances - April 1988 - Direct – or through-the-wall – venting of oil fired heating equipment is becoming a major discussion topic in the oil heat industry. This month we will look at direct venting and its benefits and drawbacks. Direct venting systems eliminate the need for a chimney. An induced draft fan typically provides the draft required to exhaust … Continue reading Direct Venting Of Oil Fired Appliances
  55. Understanding The Low Firing Rate Baffle - December 1987 - This bulletin will discuss the low firing rate baffle: what it is, what it does, and when it is needed. The Beckett low firing rate baffle is a small metal plate. It is about 3-3/4″ x 1-3/4″ in size, and has a length-wise bend in the middle. (Figure 1.) The baffle is installed over the … Continue reading Understanding The Low Firing Rate Baffle
  56. Prevention Of Heating Appliance Soot-Up - October 1987 - Heating appliance soot-up can be prevented if you know the causes. In this era of increased appliance efficiency, the service industry must stay abreast of new advances and the new requirements that must be met. Appliances are more compact and streamlined. The emphasis is on AFUE ratings and on properly matching the firing rate to … Continue reading Prevention Of Heating Appliance Soot-Up
  57. An Update On Oil Fired Condensing Appliances - August 1987 - Condensing-type furnaces, particularly those fired with gas, are becoming accepted in the heating equipment marketplace. Fifteen percent of the gas fired furnaces installed today are condensing-type furnaces. With the U.S. Department of Energy standards set to take effect in 1992, minimum AFUE’s (Annual Fuel Utilization Efficiencies) will be in the low 80% range. This means … Continue reading An Update On Oil Fired Condensing Appliances
  58. Selecting The Proper Nozzle - June 1987 - Not all nozzles are exactly alike. There are variations from one manufacturer to another. Conversion charts are good guides, but they do not always take into account the variances. The problem is that standards do not exist to accurately define hollow and solid. Many methods have been proposed, but none perfected. This bulletin will provide … Continue reading Selecting The Proper Nozzle
  59. Understanding Draft - April 1987 - In the oil heating industry, “draft” describes the vacuum, or suction, which exists inside most heating systems. The amount of vacuum is called draft intensity. Draft volume specifies the cubic feet of gas that a chimney can handle in a given time. Draft intensity is measured in “inches of water”. Just as a mercury barometer … Continue reading Understanding Draft
  60. Applying The Appropriate Combustion Head - February 1987 - In this bulletin we will address the following questions: What is a combustion head? What is a non-flame retention head and how does it work? What is a flame retention head and how does it work? What are the different types of flame retention heads? Which head should be used and on which units? The … Continue reading Applying The Appropriate Combustion Head
  61. Combustion Testing: Oxygen Or Carbon Dioxide? - December 1986 - With the introduction of new and improved combustion test instruments, many technicians are asking what the real difference is between measuring oxygen and measuring carbon dioxide. Is one method better than the other? Is the end result the same? To answer these questions, we will present a simple comparison, and will discuss the differences and … Continue reading Combustion Testing: Oxygen Or Carbon Dioxide?
  62. Firing Through-The-Door On Old Stoker Units - August 1986 - We get inquiries concerning upgrading old stoker units where the burner can be fired through the upper fire door or lower ash pit door. In this bulletin we will discuss some guidelines that will enable you to make successful retrofit applications in these older units. Our experience has shown that retrofit can be made successfully, … Continue reading Firing Through-The-Door On Old Stoker Units
  63. High Static Pressure: Just What Is It? - June 1986 - In the past few years most oil burner manufacturers have introduced “high static pressure” burners. We have received from our technical subjects’ survey many inquiries regarding the function of and need for these new burners. This technical bulletin will address these subjects. Review Of Conventional Flame Retention Burners Conventional flame retention type residential oil burners, … Continue reading High Static Pressure: Just What Is It?
  64. Facts About High CO2 Levels - December 1985 - Modern flame retention burners make it possible to adjust the performance to high CO2 (or low O2) levels. For example, in certain packaged applications, 14% CO2 at a trace of smoke level is not uncommon. On the surface, this appears to be excellent because the system efficiency can be in the 85+% range. However, there … Continue reading Facts About High CO2 Levels
  65. Solving Nozzle Afterdrip - October 1985 - Nozzle afterdrip has been a concern among servicemen for quite sometime. There are three basic causes for afterdrip. They are: A defective pump shut-off valve. Air entrapped in the nozzle line assembly. Oil expansion in the nozzle line assembly, due to radiated heat at shutdown. The first is relatively easy to diagnose. Here is a … Continue reading Solving Nozzle Afterdrip
  • Was this helpful?
  • Yes   No