Lochinvar & A.O. Smith 100166234 Pressure Switch 30067439-890 the Lennox 93J3901 eliminates unnecessary

the Lennox 93J3901 eliminates unnecessary downtime while maintaining strict adherence to factory safety sequences

Common Maintenance Questions: What are the signs that a 38-203-RK repair kit is needed

this genuine York component ensures the precise temperature management required to protect expensive system hardware from freezing or overheating conditions

What are the maximum misalignment specs for the 7JN insert

Lochinvar & A.O. Smith 100166234 Pressure Switch 30067439-890 the Lennox 93J3901 eliminates unnecessaryThe Lochinvar & A. O. Smith 100166234 is a robust 1. 15" WC SPDT pressure switch designed for critical monitoring in high efficiency heating systems. As a direct OEM replacement part, it is identical to PRS30014 and PRS2424, ensuring seamless integration without field modifications. This diaphragm actuated switch utilizes a Single Pole Double Throw (SPDT) contact configuration, allowing it to function as a safety interlock by verifying proper venting