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When troubleshooting furnace limit switch symptoms like short cycling or lockout codes
effectively preventing combustion under unsafe venting conditions
For end-switch models
Is this switch compatible with American Standard units
Its compact design allows for seamless integration into existing liquid or suction lines
Lochinvar & A.O. Smith 100166258 Pressure Switch Els PW 17895 When troubleshooting furnace limit switchThe Lochinvar & A. O. Smith 100166258 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency systems. This 1. 35"wc SPDT Pressure Switch functions as a pneumatic prover, ensuring the inducer fan generates sufficient static pressure before allowing the ignition sequence to proceed. As the verified OEM replacement for PRS3428 and PRS2428, this part maintains the original equipments narrow
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