Lochinvar & A.O. Smith 100110220 Gas Valve 320788-703 Thermal Stability: Rated for extreme

Thermal Stability: Rated for extreme temperatures (-20° to 220°F)

Establishing proper bypass airflow is essential for any multi-zone residential or light commercial system

Always check the pump and filter status before replacing the switch

Environmental Protection: Specialized NEMA 4X enclosure protects internal components from splashing water and corrosive agents

Lochinvar & A.O. Smith 100110220 Gas Valve 320788-703 Thermal Stability: Rated for extremeThe Lochinvar & A. O. Smith 100110220 Gas Valve is a critical replacement component designed for high efficiency water heaters and boilers, including many models in the Lochinvar Copper Fin II and Knight series. This 1 inch NPT natural gas valve operates on a 24V control circuit and is factory set to a 3. 5" water column (WC) outlet pressure, ensuring the precise fuel to air mixture required for clean combustion. As a direct replacement for part