Lochinvar & A.O. Smith 100157720 Switch 318820-201 It is also found in

It is also found in some legacy X series equipment

Key Benefits Environmental Protection: The epoxy-encapsulated design ensures the 250VA transformer remains operational in high-moisture or dusty industrial settings

Always include a vibration loop (slack) in the 36" capillary

007" diameter provides exact flow restriction for sensitive pneumatic pilot signals

Lochinvar & A.O. Smith 100157720 Switch 318820-201 It is also found inThe 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