219 South 24th Street • Billings, Montana 59101


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Made in the U.S.A.
Conforms to ASME standards, with maximum pressure of 250 lbs.
Fusible plugs are installed between the fireside of either the plate, flue or tube of the boiler and below the water level.

All models are manufactured to conform to ASME standards and meet U.S. Coast Guard requirements

Fire-activated fusible plugs are filled with pure tin and feature a melting point between 445°F and 450°F


Fireside Sizes
Waterside Sizes
  • 3/8"
  • 1/2"
  • 3/4"
  • 1"
  • 3/8"
 











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