Weil McLain 383-500-020 Inspection Glass Kit 005" orifice (red) which delivers

005" orifice (red) which delivers 25 SCIM at 20 psig

this unit is built to withstand demanding mechanical room environments

Temporary bypassing is strictly for diagnostic continuity testing

000 volts generated by standard gas ignition controls to the electrode

or air-gas mixtures when installed in the appropriate Maxitrol regulator

Weil McLain 383-500-020 Inspection Glass Kit 005" orifice (red) which deliversFor high efficiency boiler maintenance, the Weil McLain 383 500 020 Inspection Glass Kit is the essential OEM solution for monitoring combustion and flame quality in Ultra Series 1 and 2 boilers. This complete assembly is critical for identifying potential burner issues or soot buildup without compromising the sealed combustion environment. As a professional grade boiler sight glass replacement, it includes the high temperature borosilicate glass, a