Lochinvar & A.O. Smith 100327113 Thermostat This seal is designed for

This seal is designed for 2/1-4"-12 thread Rotalock connections

Safety switches must match the manufacturer's specified temperature rating (280F for this model) to ensure the system reacts correctly to flue gas backup

this specific model is designed for 18-30 VAC control circuits

eliminating the need for field splicing and ensuring your repair meets the original manufacturer’s specifications for York HVAC systems

or a malfunctioning fan belt

Lochinvar & A.O. Smith 100327113 Thermostat This seal is designed forThe Lochinvar & A. O. Smith 100327113 Thermostat is a critical surface thermostat engineered for high accuracy temperature regulation in commercial and residential water heating systems. Effectively serving as the direct replacement for 100170479 (also identified as old part number TST1121), this component ensures seamless HVAC system compatibility across various Lochinvar DVN and DVL series models manufactured from July 1997 to the present. As a