As a non-spring return (NSR) unit

this assembly ensures the automatic drainage of corrosive liquid produced during the combustion process

By utilizing genuine Reznor assembly parts

this propane cartridge works with E3SA (standalone) and E3SM (network) base units

For maximum service life and to prevent foreign matter from accumulating in the solenoid base

Browning B89 Belt 323055-751 As a non-spring return (NSR)The Browning B89 is a high performance classical V belt engineered for demanding HVACR and industrial applications. This "B" section wrapped belt features a 92 inch outside diameter and a 5 8 inch top width, making it a standard choice for heavy duty power transmission in commercial air handlers, blowers, and pumps. Built with a neoprene synthetic rubber compound and high tensile polyester cords, the B89 Super Gripbelt provides superior resistance to