Lochinvar & A.O. Smith 100171945 Gas Valve Kit 322838-752 Direct Compatibility: Replaces legacy part

Direct Compatibility: Replaces legacy part numbers like 393691-4 without the need for additional manifold modifications

This genuine OEM Carrier replacement part is engineered to monitor heat exchanger temperatures and interrupt the electrical circuit if internal conditions exceed the safe operating threshold

replacing brittle or flattened 96451 isolators is a primary troubleshooting step when a unit heater is producing disruptive mechanical noise or cabinet rattle

This coil is designed and pressure-tested for use with R-410A systems and should not be used with R-22 without proper component verification

Field data suggests that voltage spikes and moisture infiltration in the mechanical room are the most common causes of control board failure

Lochinvar & A.O. Smith 100171945 Gas Valve Kit 322838-752 Direct Compatibility: Replaces legacy partIf you are servicing a Lochinvar Knight WH85 or A. O. Smith commercial boiler system, the 100171945 Gas Valve Kit (Alternative Part Number VAL30032) is the direct OEM replacement for maintaining precise manifold gas pressure. This assembly is critical for high efficiency wall mount boilers, ensuring the correct air to gas ratio for stable combustion and reliable high altitude performance. As a technician, you know that flange mounted gas valves on