As a 2-way general-purpose valve

The internal port is tapped for 1/8" -27 NPT (FPT)

'NO PP' indicates there is no pre-purge delay

Common Questions: Which models are compatible with the KH11NH074

It is an OEM product

Heil Quaker ICP 1013079 Transition Gasket 326058-756 As a 2-way general-purpose valveThe Heil Quaker ICP 1013079 Transition Gasket is a critical OEM replacement part designed to maintain a pressure tight seal between the heat exchanger or blower housing and the transition ductwork. As a genuine International Comfort Products component, this gasket is engineered from high grade, heat resistant elastomer to withstand the thermal expansion and contraction cycles common in high efficiency furnace repair and air handler applications. At 11