Reznor 221637 Gasket 320734-701 Engineered as a permanent split

Engineered as a permanent split capacitor (PSC) motor

While it can be mounted in horizontal or vertical piping

but the load must be present to complete the circuit for the electronics to function

and Payne furnaces and packaged units

Reznor 221637 Gasket 320734-701 Engineered as a permanent splitThe Reznor 221637 Gasket set is a critical OEM replacement part designed specifically for sealing the header and heat exchanger interfaces in high efficiency gas fired unit heaters. Engineered for a precise fit, this heater gasket kit prevents combustion gas leakage and maintains the necessary static pressure within the burner cabinet. Technicians typically utilize this set during internal heat exchanger inspections or when replacing a Reznor burner