this normally closed thermal switch is essential for resolving issues where the blower fan runs continuously or the furnace cycles on high limit due to restricted airflow or component fatigue

which eliminates the need for field programming

ensuring maximum uptime for critical plumbing infrastructure

this kit is the official superseding part for the 44A8-FA-NLC

providing technicians with the flexibility needed for various static pressure and airflow verification tasks

Lochinvar & A.O. Smith 100109867 Gas Valve 319852-301 this normally closed thermal switchThe Lochinvar & A. O. Smith 100109867 Gas Valve is a critical OEM replacement component designed for high efficiency liquid propane (LP) water heating systems. Engineered for precise fuel regulation, this 120V gas control valve features a 1 2" inlet outlet connection and is factory set for a 10" WC manifold pressure. As a White Rodgers Intellivent gas control, it utilizes advanced microprocessor based logic for tighter temperature differentials and