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Honeywell PA404 Pressuretrol? Controller.

Price: $179.88 
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SKU: PRS404A1033
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Honeywell PA404 Pressuretrol
• Controller


STEAM BOILERS .5-9 PSI


Provide control for steam pressure.

Sensitive pressure-actuated diaphragm expands or contracts with pressure variations, moving a lever mechanism that operates the snap-switch.


Use PA404A as high limit safety controller for steam boilers; use PA404B as fan controller for suspension-type unit heaters.


Recommended for use with T8090A1056.


Contain spst snap-acting switch.


Adjust setpoint without removing the cover.


Set differential using a dial located inside the case.






Product Specifications




Switch Action Breaks at setpoint on pressure fall; Spst makes at set point plus differential on pressure rise.


Electrical Ratings (AFL) 5.1 A @ 240 Vac, 8 A @ 120 Vac


Electrical Ratings (ALR) 30.6 A @ 240 Vac, 48.0 A @ 120 Vac


Electrical Ratings (resistive) 7.2 A @ 277 Vac, 8.3 A @ 120 Vac, 8.3 A @ 240 Vac


Electrical Ratings (millivoltage) 0.25 @ 0.25 to 12 Vdc


Pilot Duty 150 VA @ 277 Vac


Operating Pressure Maximum (kPa) 137 kPa


Operating Pressure Maximum (psi) 20 psi


Adjustable Operating Pressure Range (kPa) 3 kPa to 62 kPa


Adjustable Operating Pressure Range (psi) 0.5 psi to 9.0 psi


Piping Connections 1/4 in. female pipe threads


Adjustable Scale Range (in. water) 0.5 psi to 9 psi


Adjustable Scale Range (kPa) 3 kPA to 62 kPa


Adjustable Differential (kPa) Additive: 7 kPa to 35 kPa


Adjustable Differential (psi) Additive: 1 psi to 5 psi


Approvals, Underwriters Laboratories Inc. UL Listed: File no. MP466, Guide no. MBPR.


Approvals, Canadian Standards Association CSA Listed: File no. LR1620.


Humidity Ratings 95% RH Non-condensing


Case Material Gray enamel finish


Dimensions (mm) 114 mm high, 86 mm wide, 58 mm deep


Dimensions (in.) 4 15/32 in. high, 3 3/8 in. wide, 2 1/4 in. deep


Application Safety control for steam heating boilers


Pressure Ratings (Set Point)(psi) Recommended minimum set point is differential setting plus 1 1/2 psi.


Pressure Sensing Element Stainless steel diaphragm


Pressure Surge (max. kPa) 345 kPa


Pressure Surge (max. psi) 50 psi


Switch Type spst snap-acting switch


Temperature Ratings (C) 66 C max.


Temperature Ratings (F) 150 F max.

Replaces Part Numbers:PA404A1033 PA404A1009, CARPA404A1033

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