This high-grade composite M&M 323300 gasket offers superior resistance to chemical additives and high temperatures without the need for additional adhesives

leak-free connection between the vent port and the external atmosphere or combustion chamber

brass flare fitting designed for high-pressure refrigeration and HVACR service

it monitors the burner area for escaping flames or "rollout" caused by heat exchanger failure

this enclosure is designed for indoor use

Maxitrol 12A34 Limiter This high-grade composite M&M 323300Install the Maxitrol 12A34 to ensure code compliant indoor venting for your RV81 series gas pressure regulators. This 3 8" NPT brass automatic vent limiter is an essential component for veteran technicians looking to eliminate the need for expensive, labor intensive vent piping to the outdoors. Engineered with a precision ball check mechanism, it permits unobstructed diaphragm movement during normal cycles while limiting potential gas escapement to