The S1-2PH08521006 is designed for use with particular York AHR

This rebuild kit is specifically engineered for the internal geometry of STT series valves

Contractors should verify the 1/2-inch shaft diameter and the 8-pole

pressure-dependent VAV

Hydrotherm BM-8072 Pilot Assembly 321894-706 The S1-2PH08521006 is designed forEnsure reliable ignition for your classic boiler systems with the Hydrotherm BM 8072 Natural Gas Standing Pilot Assembly. This OEM spec Honeywell Q314ALB replacement is engineered specifically for constant burn applications, providing the high stability flame required to carry over to the main burner. Designed for natural gas standing pilot boilers, this assembly features a durable metal bracket and a factory calibrated pilot orifice to maintain