Lochinvar & A.O. Smith 100157720 Switch Refrigerant this 24V control voltage relay

this 24V control voltage relay utilizes a solid-state PTC device and a snap-acting disc to ensure positive make/break action

5-inch shaft diameter and a 2

the Reznor 207502 likely needs replacement

tool-free installation on valve armatures

Engineered for high-stress HVAC applications

Lochinvar & A.O. Smith 100157720 Switch Refrigerant this 24V control voltage relayThe 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