Lochinvar & A.O. Smith 100093721 Valve 319847-401 Does this unit require an

Does this unit require an external display for programming

this specific model is designed without over-current protection

meaning it breaks the circuit as temperature rises above the setpoint

bolt-on expansion valve is designed to optimize superheat by precisely regulating refrigerant flow into the evaporator coil

ensuring electrical integrity in high-humidity environments

Lochinvar & A.O. Smith 100093721 Valve 319847-401 Does this unit require anThe 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