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The Source 1 S1-02439714000 is a pressure switch with a 0.90 in-WC setpoint designed for HVAC low-pressure detection and safety/interlock applications. It provides a single-pole normally open (SPNO) electrical contact and actuates on pressure fall at the specified setpoint. The part is sold under the Source 1 brand and is manufactured by Johnson Controls; it is compatible with a range of HVAC equipment models.
HVAC pressure switch, 0.90 in-WC actuation, SPNO contact, Johnson Controls manufactured
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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