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When diagnosing spark rod troubleshooting issues
minimizing downtime caused by scale buildup
this component ensures the air handler maintains factory-specified CFM levels and static pressure
The adjustable port opening allows for "fast venting" settings
preventing common communication errors or relay failures associated with underpowered or generic aftermarket alternatives
Antunes Controls JD-2-BLUE Pressure Switch Els PW 17895 When diagnosing spark rod troubleshootingThe Antunes Controls JD 2 BLUE Pressure Switch (also identified as 801111301) is a robust, field adjustable air differential switch designed for critical HVAC interlocking safety. Featuring a blue spring with a calibrated range of . 07 1. 7" W. C., this unit ensures precise air flow proving for burner circuits and ventilation systems. The SPDT snap action switch is housed in a rugged die cast aluminum enclosure, providing superior durability in