as this switch is engineered to precise manufacturer tolerances for blocked inlet detection

the Carrier HH19ZA170 provides a direct fit for various Bryant

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Integrated Safety: Includes a factory-matched pressure switch to monitor venting pressure and prevent hazardous conditions

The large internal free volume provides superior resistance to liquid slugging

Lochinvar & A.O. Smith 100187860 Probe Els PW 29614 as this switch is engineeredThe Lochinvar & A. O. Smith 100187860 Probe is a precision engineered upper temperature probe designed for high efficiency commercial water heating systems. Featuring 40 inch leads, this OEM component is critical for monitoring internal tank temperatures to ensure safe and efficient cycling. It is specifically compatible with the Cyclone Xi and Mxi series natural gas water heaters, including BTH, SUF, and HCG 200 models. For field technicians, this