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Key Benefits for Contractors: Precise Prepurge Timing: The fixed 5-second prepurge ensures gas-fired appliances meet safety standards by venting residual gases before the spark ignition sequence begins
reducing thermistor drift and frequent maintenance calls
maintaining circuit integrity under heavy startup loads
ensuring seamless integration into existing control strings
Lochinvar & A.O. Smith 100110096 Limit Switch 321042-401 Key Benefits for Contractors: PreciseIn the field, a tripped Lochinvar & A. O. Smith 100110096 Manual Reset Limit Switch is a clear signal of an over temperature condition that requires immediate professional attention. This OEM high limit safety switch is engineered to monitor heat exchanger and combustion chamber temperatures, providing a critical fail safe by opening the electrical circuit when safety temperature thresholds are exceeded. Designed for high output Lochinvar boilers and