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Direct Compatibility: Replaces legacy part numbers like 393691-4 without the need for additional manifold modifications
For Use With Fan Coil Units
P) common in large-diameter hydronic lines
replacing brittle or flattened 96451 isolators is a primary troubleshooting step when a unit heater is producing disruptive mechanical noise or cabinet rattle
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