Honeywell Pressuretrol® PA404A1033/U Pressure Controller, 0.5 to 9 psi Control, SPST Snap Acting Electronic Switch, 1 to 5 psi Differential

114370 MFG #: PA404A1033/U
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Honeywell Pressuretrol® PA404A1033/U Pressure Controller, 0.5 to 9 psi Control, SPST Snap Acting Electronic Switch, 1 to 5 psi Differential
Honeywell Pressuretrol® Pressure Controller, 0.5 to 9 psi Control Range, SPST Switch, Snap Acting Electronic, 1 to 5 psi Differential Pressure Range, Enamel, Gray, 4-15/32 in H x 3-3/8 in W x 2-1/4 in D
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  • The PA404A is a pressure actuated high limit, safety control for steam heating boilers, it breaks an
  • The PA404B is used with suspension-type unit heaters to make the fan circuit when a pressure rise in
  • Each model contains an SPST microns switch snap acting switch
  • Sensitive pressure actuated diaphragm expands or contracts with pressure variations, moving a lever
  • A screw on top of the case allows set point adjustments without removing the cover
  • Differential is adjusted by means of a dial located inside the case
The PA404A is a pressure actuated high limit, safety control for steam heating boilers, it breaks an electrical circuit to shut down the burner if steam pressure rises above a safe level
The PA404B is used with suspension-type unit heaters to make the fan circuit when a pressure rise indicates the presence of steam
Each model contains an SPST microns switch snap acting switch
Sensitive pressure actuated diaphragm expands or contracts with pressure variations, moving a lever mechanism which operates the snap switch
A screw on top of the case allows set point adjustments without removing the cover
Differential is adjusted by means of a dial located inside the case