specifically the ERN152

Durability: Rugged housing and high-grade internal components are designed for continuous operation in commercial HVACR and industrial process heating

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

you must install the optional OS-100 Outdoor Sensor Kit

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

Lochinvar & A.O. Smith 100210089 Gas Valve L99H008 specifically the ERN152The 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