Lochinvar & A.O. Smith 100187860 Probe 319825-402 the "U" suffix simply denotes

the "U" suffix simply denotes the universal packaging

Rated for a nominal pressure of 80

this switch is designed to sense positive

ensuring HVAC safety compliance and efficient gas combustion on every job

Integrated Pump Delay: Prevents scale buildup and localized boiling by managing the pump-off cycle

Lochinvar & A.O. Smith 100187860 Probe 319825-402 the "U" suffix simply denotesThe 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