Lochinvar & A.O. Smith 100108951 Thermostat 318820-201 Contractors value this series for

Contractors value this series for its straightforward integration into existing HVAC fuel trains and its ability to maintain seat integrity under fluctuating line pressures

Featuring a 3/8" x 5/8" sweat ODF connection and a 24Vdc supply voltage

Its compact design allows for versatile mounting in tight cabinets

Direct replacement for Watts 1053017

Rugged construction designed for long-term performance in demanding HVAC environments

Lochinvar & A.O. Smith 100108951 Thermostat 318820-201 Contractors value this series forThe Lochinvar & A. O. Smith 100108951 Thermostat is a critical OEM replacement part designed for high performance commercial and residential electric water heaters. As a heavy duty upper thermostat, it provides precise temperature control to ensure the heating elements cycle correctly and maintain system efficiency. This thermal regulator comes integrated with an Emergency Cut Off (ECO) safety switch, which manually trips to prevent overheating