Maxitrol 12A39 Vent Limiter this economizer crank arm ensures

this economizer crank arm ensures consistent performance across diverse environments

Tripping is typically caused by inadequate vent draw

How do I test if this limit switch is faulty

Enhanced Safety: Immediately signals a gas valve shutdown if flame presence is lost

eliminating the risks of generic alternatives

Maxitrol 12A39 Vent Limiter this economizer crank arm ensuresThe 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