If your furnace blower runs constantly while the burners remain off

and commercial ice machines

The Amana-Goodman 20268501 Ignition Control Kit is a high-performance OEM replacement part engineered to restore reliable furnace ignition and system safety

Field conversion requires the appropriate spring kit for the desired pressure range

Sporlan 124586 Expansion Valve 321894-708 If your furnace blower runsFor high capacity commercial systems requiring absolute precision, the Sporlan 124586 Expansion Valve (Model OVE 55 CP100) is the industry standard for R22 thermostatic expansion valve replacements. This 55 ton TXV is engineered with a balance ported design, which effectively cancels out the influence of varying high to low side pressure drops. This ensures stable refrigerant flow control and maintains consistent superheat levels across a wide range