This natural gas control valve is designed to manage precise manifold pressure

the Robertshaw 110-504 cannot be reset and must be replaced to restore pilot and burner function

the KMC Controls design allows the actuator to be swapped out without breaking the pipe seal

the 061673 is sold less flange

Lennox 42W35 TXV 322055-301 This natural gas control valveThe Lennox 42W35 is a professional grade R 410A thermostatic expansion valve (TXV) engineered for high precision refrigerant metering in residential and light commercial cooling systems. This OEM Lennox 100679 22 replacement features a 30 inch capillary tube designed to maintain consistent superheat across varying thermal loads, effectively preventing evaporator flooding and protecting the compressor from liquid slugging. With connection