Lochinvar & A.O. Smith 100271886 Probe 326010-701 This is achieved by either

This is achieved by either cycling the thermostat below room temperature or removing the 24V power source for at least 5 seconds to clear the ignition lockout code

the design is universal for the E3 Point housing

Reliable Maintenance: Features a manual override button for testing and setup during power-loss or commissioning phases

Direct Retrofit Compatibility: Serves as the established replacement for legacy C-202-1 and Barber Colman pneumatic relays

5" WC natural gas applications to maintain high thermal efficiency

Lochinvar & A.O. Smith 100271886 Probe 326010-701 This is achieved by eitherThe Lochinvar & A. O. Smith 100271886 Probe is a critical lower temperature probe designed for precise thermal monitoring in high efficiency commercial gas water heaters. Engineered with an integrated connector, this replacement water heater sensor ensures seamless communication between the storage tank and the unit's control board. It is specifically compatible with Lochinvar Cyclone and A. O. Smith BTH 300A, 400A, and 500A models. As a veteran grade