you should consider the PSM series isolated variants

ensuring a reliable braze joint and minimizing the risk of leaks under high-pressure conditions

it allows for immediate fluid level monitoring while on the job

and commercial burners

Trane CNT3670 Limit Switch Els PW 17895 you should consider the PSMThe Trane CNT3670 is an essential OEM high limit switch designed for American Standard and Trane gas furnaces. This L225F CO limit switch functions as a critical safety component, monitoring the heat exchanger temperature to prevent dangerous overheating. Featuring a Single Pole Single Throw (SPST) configuration, the circuit is normally closed and triggers an open state when internal temperatures reach the 225 degree Fahrenheit trip point. Proper