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Common indicators include the pilot igniting but the main burner failing to fire
utilizing a professional-grade hysteresis synchronous motor with a lost-motion drive
reducing diagnostic and installation labor
Durable Construction: High-grade materials resist corrosion and handle the high temperatures of discharge lines
Optimized Combustion: Precisely regulates the venturi effect to maintain the vacuum required for clean
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,