Selecting The Proper Nozzle

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...

Understanding Draft

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...