Lochinvar & A.O. Smith 100166234 Pressure Switch 30067439-890 How do I troubleshoot a

How do I troubleshoot a Lochinvar manual reset switch trip

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With its distinctive blue and white label

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

Lochinvar & A.O. Smith 100166234 Pressure Switch 30067439-890 How do I troubleshoot aThe 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