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The Allied Air R100684-09 is a pressure switch for Lennox, Armstrong, and Ducane gas furnaces that monitors inducer and vent pressure and provides a safety/interlock signal to the control circuit. The device uses a single-pole single-throw (SPST) contact configuration and actuates at 0.6 inch water column. It is intended for inducer/vent pressure sensing in residential gas furnace systems.
SPST pressure switch with 0.6" WC actuation for inducer and vent pressure sensing in gas furnaces
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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