Lochinvar & A.O. Smith 100112323 Gas Valve 322838-753 Fail-Safe Operation: Reliable spring-return capability

Fail-Safe Operation: Reliable spring-return capability retracts the shaft when air pressure is lost

Use a manometer to confirm the system is pulling at least

this module handles motor load ratings up to 1 HP at 120 VAC and resistive loads up to 21A

It supports multiple fan configurations

use a multimeter to verify the microamp (µA) signal during the ignition trial

Lochinvar & A.O. Smith 100112323 Gas Valve 322838-753 Fail-Safe Operation: Reliable spring-return capabilityThe Lochinvar & A. O. Smith 100112323 Gas Valve is a critical OEM component engineered for high recovery commercial water heaters and boilers, specifically the HW300 and HW399 models. This 3 4" x 3 4" NPT slow open natural gas valve is designed to manage pilot ignition and main burner flow with precision. As a veteran preferred HVAC replacement part, it ensures a controlled, gradual gas release to prevent combustion surges and "hard starts" that can