Honeywell PA404A1033 - Pressuretrol Controller .5-9 psi

Honeywell pressuretrol controller for safety control to shut down the burner if the steam pressure rises above a safe level on steam boilers with a range of .5-9 psi. This pressuretrol breaks at set point on pressure rise and makes on set point on pressure fall. PA404A models are pressure actuated high limit, safety controls for steam heating boilers. They break on electrical circuit to shut down the burner if steam pressure rises above a safe level and contains a SPST microswitch snap-acting switch.

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