if the motor cycles but the contact fails

it interrupts the hot leg

this Fasco 70217302 model operates at 3000 RPM on a 115V circuit

Check the HP rating and RPM against your specific blower curve

Always follow the arrow stamped on the shell

Maxon 300SMA11AA11BB21A0 Gas Valve Els PW 17895 if the motor cycles butThe Maxon 300SMA11AA11BB21A0 Gas Valve is a rugged, 3 inch industrial shut off valve designed for mission critical burner systems. As the direct replacement for Maxon 300SMA11, this unit features a heavy duty cast iron body and is configured for 2 way normally closed operation. This auto reset gas valve utilizes a standard port flow capacity with ANSI threaded connections, ensuring high flow efficiency for natural gas, propane, or air service.