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If you measure 24V at the coil terminals but the contactor does not pull in
while it is a Double Pole Single Throw (DPST) control
This valve is rated for a maximum operating pressure differential (MOPD) of 250 PSI for air and water applications
It is recommended to verify the MFD rating on your current unit to ensure a proper matches for the new motor lead wires
OEM Compatibility: Exact fit for Utica and Dunkirk 240007051 specifications
AERCO Boiler and Water Heater 27128-1 Pressure Switch Kit 318172-701 If you measure 24V atAERCO 27128 1 Low Pressure Gas Switch Kit is built for dependable gas pressure monitoring in commercial boiler and water heater systems. This boiler low gas pressure switch interrupts the control circuit if inlet gas pressure drops below the set point, helping prevent improper combustion and unsafe operation. Designed for use with AERCO boilers and water heaters, it supports stable ignition and protects critical components in hydronic heating