Lochinvar & A.O. Smith 100093721 Valve 323080-701 and Commercial 2100 series heaters

and Commercial 2100 series heaters

Technicians should drill a 3/8-inch hole

this switching relay allows a standard 2-wire thermostat to drive heavy-duty components like circulator pumps

and WeatherKing air conditioners and heat pumps

System Protection: Effectively prevents high-static conditions that lead to HVAC equipment wear and sensor fault codes

Lochinvar & A.O. Smith 100093721 Valve 323080-701 and Commercial 2100 series heatersThe Lochinvar & A. O. Smith 100093721 Valve is a 3. 5" natural gas control valve engineered for precision fuel regulation in high efficiency commercial boilers and water heaters. Designed to meet the demands of condensing heating systems, this direct replacement gas valve ensures accurate manifold pressure and consistent ignition cycles. As a critical OEM HVACR component, it works in tandem with the blower assembly to maintain the correct air to fuel