while 4-pipe configurations require specific lead connections to manage independent hot and chilled water valves through the Heat-Off-Cool switch

For electrical integration

this capacitor offers the consistent capacitance required for optimal motor torque and efficiency

specifically designed to maintain optimal static pressure and airflow across the condenser coil

delivering 84 in-lbs of retracted torque and 74 in-lbs of extended torque at 20 psi

Lochinvar & A.O. Smith 100171945 Gas Valve Kit 318423-701 while 4-pipe configurations require specificIf 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