Lochinvar & A.O. Smith 100171945 Gas Valve Kit 322838-752 P) common in large-diameter hydronic

P) common in large-diameter hydronic lines

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

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

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

Lochinvar & A.O. Smith 100171945 Gas Valve Kit 322838-752 P) common in large-diameter hydronicIf 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