Maxitrol 12A39 Vent Limiter changing the temperature rating of

changing the temperature rating of a damper may requires approval from the local authority having jurisdiction (AHJ) to maintain its UL listing

and 51 water feeders

replacing the Weil McLain burner gasket is a standard best practice to avoid callbacks

this 370 VAC capacitor facilitates optimal thermal dissipation and oil-filled dielectric stability

Durable Construction: Engineered to withstand the thermal stresses of the heat exchanger cabinet environment without premature fatigue

Maxitrol 12A39 Vent Limiter changing the temperature rating ofThe Maxitrol 12A39 Vent Limiter is a critical brass gas regulator accessory engineered for indoor gas pressure regulator installations where piping a vent line to the outdoors is impractical or prohibited by code. This 3 8" NPT automatic vent limiter features a precision machined ball check valve mechanism that permits free inhalation for sensitive diaphragm movement during normal operation but limits gas escape to within ANSI Z21. 80 and ANSI Z21. 18