The valve rebuild kit contains fundamental components including a high-performance diaphragm assembly

identical to 26K3501) provides critical refrigerant metering to maintain precise superheat at the evaporator outlet

you typically see HL1 error codes or complete system shut-downs

maintaining strict safety timing for flame rectification and gas valve modulation

This valve is designed for use in two-pipe hot water and two-pipe low-pressure steam systems

Reznor 10120 Blower Shaft 30067439-890 The valve rebuild kit containsThe Reznor 10120 Blower Shaft is a precision engineered 1 inch diameter replacement shaft measuring 39. 25 inches in length, specifically designed for high static heating and ventilation applications. As a critical component in the blower assembly, this shaft ensures concentricity and balanced torque transfer between the motor and the centrifugal wheels. Built for industrial durability, it utilizes high grade cold finished steel to maintain structural