confirming the valve has fully moved to the open position before the heat source activates

the York S1-025-32625-000 is technically cross-referenced for use in various Coleman and Luxaire furnaces that specify the 271N hot surface igniter

making it ideal for high-load starter and heater circuits

The AV-391 linkage ensures a secure stem connection and proper alignment

ensuring a seamless field upgrade without extensive mounting modifications

Hydrotherm 02-1552 Gas Valve 30067439-890 confirming the valve has fullyThe Hydrotherm 02 1552 Gas Valve (also identified as 021552) is a heavy duty, 24V standing pilot natural gas valve engineered for precision fuel regulation in commercial and industrial boilers and furnaces. As a high capacity combination gas control, this unit integrates a safety shutoff, manual valve, dual automatic operators, and a pressure regulator into one compact housing. It is a direct OEM match for many Hydrotherm heating systems and cross