Lochinvar & A.O. Smith 100171945 Gas Valve Kit R-22 or "sooting" visible through the

or "sooting" visible through the sight glass

Precision Control: Features an A99 temperature sensor for accurate sensing across a broad -40 to 212

Antunes uses color-coded springs to denote pressure ranges

The Sporlan 4183-00 is an industrial-grade R46E257M solenoid valve engineered for precision refrigerant flow control in high-capacity refrigeration and air conditioning systems

High Torque Output: Heavy-duty motor construction ensures consistent valve actuation even in systems with higher static pressure

Lochinvar & A.O. Smith 100171945 Gas Valve Kit R-22 or "sooting" visible through theIf 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