Lochinvar & A.O. Smith 100113143 Switch 322838-754 1-3/16") in diameter by 5

1-3/16") in diameter by 5 inches in total length

When configured as an outdoor temperature sensor

Direct Field Replacement: Equipped with a standard 1/4-inch quick-connect terminal and single-hole mounting for rapid installation during service calls

How do you adjust the trip point on the 8021204174

Common Questions Is the differential adjustable on this model

Lochinvar & A.O. Smith 100113143 Switch 322838-754 1-3/16") in diameter by 5The Lochinvar & A. O. Smith 100113143 Blocked Inlet Switch is a critical safety component designed for high efficiency commercial water heaters and boilers, including the Cyclone BTH and State SUF series. This genuine OEM replacement part acts as a normally closed (NC) pressure sensor calibrated to 2. 5" WC. Its primary function is to monitor the integrity of the air intake system, ensuring the combustion blower receives adequate airflow for safe