Lochinvar & A.O. Smith 100210102 Limit Switch 320735-701 Common indicators include the pilot

Common indicators include the pilot igniting but the main burner failing to fire

The Weil McLain 385-600-099 Observation Port Assembly is a critical component designed for the back section of high-output commercial boilers

Utilizing a 120V AC input

reducing diagnostic and installation labor

or power-burned appliances

Lochinvar & A.O. Smith 100210102 Limit Switch 320735-701 Common indicators include the pilotThe Lochinvar & A. O. Smith 100210102 Limit Switch is a critical safety component designed for high efficiency boilers and commercial water heaters. This OEM hi limit switch acts as a fail safe by monitoring internal temperatures and interrupting the power supply to the burner or fan if the system exceeds its safe operating ceiling, typically around 145 degrees depending on the specific series configuration. Engineered for high demand environments,