High-Capacity Switching: 25 Amp resistive load rating handles heavy commercial heating elements without premature contact wear

ensuring proper alignment with the burner flame

Universal Surface Mount: Standard flat-back design fits securely against the water heater tank surface for accurate temperature sensing

evaporator freeze-ups

carbon buildup on the hood

Lochinvar & A.O. Smith 100157720 Switch 326058-758 High-Capacity Switching: 25 Amp resistiveThe Lochinvar & A. O. Smith 100157720 Switch is a critical safety component designed for high performance hydronic systems. This Adjustable High Limit control features a Manual Reset (M R) mechanism, ensuring that the system remains locked out if temperatures exceed the predetermined safety threshold until a technician can perform a diagnostic check. Engineers and field contractors rely on the 100157720 limit switch for its precision in monitoring