Fill Alarms

  • Sizes to fit most popular above-ground and in-ground tanks.
  • Durable cast iron with corrosion-resistant powder coated finish.
  • Whistles while tank is being filled; stops whistling when oil has reached safe capacity.
Part No.Stem LengthThread Size
Bottom MPT1Top FPT1
145095¼”1¼”1¼”
145115¼”1½”1¼”
145125¼”1½”1½”
145145¾”2″1¼”
145155¾”2″1½”
145175¾”2″2″
145169¾”2″2″
1451816¾”2″2″
1451921⅞”2″2″

1 MPT = Male Pipe Thread, FPT = Female Pipe Thread

Compression Lock Fill Alarms

Ideal for retrofitting existing tanks. Available in 1¼”.

Part No.Stem LengthThread Size
Bottom MPT1Top FPT1
145525¼”1¼”1¼”

1 MPT = Male Pipe Thread, FPT = Female Pipe Thread