The Maxitrol 12A34 3/8" Vent Limiter RV81 is a reliable safety component designed for use with Maxitrol gas pressure regulators. This vent limiter effectively controls the release of gas in case of diaphragm failure, ensuring safe operation without the need for external vent piping. Built with high-quality materials, it provides dependable performance and easy installation into compat... https://www.partshnc.com/12a34-maxitrol-vent-lmtr-rv81-w-38-vent