This unit is precision-balanced at the factory to reduce vibration

making it suitable for critical boiler safety and burner low water cutoff applications

ensure the system is thoroughly flushed to remove oxidized oil and acid

Constant Torque: Maintains CFM performance even as filters load or static pressure increases

Lochinvar & A.O. Smith 100210089 Gas Valve L99H008 This unit is precision-balanced atThe Lochinvar & A. O. Smith 100210089 Gas Valve is an OEM replacement kit engineered for precise manifold pressure regulation in high efficiency natural gas water heaters. As a direct replacement for AO Smith water heater parts, this natural gas control valve integrates a high limit thermostat and safety shut off mechanism to ensure stable pilot operation and main burner ignition. Designed to maintain the stoichiometric ratio required for clean