MARSHALL EXCELSIOR MER425-20P

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MARSHALL EXCELSIOR

Marshall Excelsior RV Thermo Pigtail (Type I Acme). The RV Thermo Pigtail provides a safe, user-friendly connection from your Marshall Excelsior MEGR-9984 (#57498, 57499) regulator to a standard LP gas cylinder without the use of a wrench. The easy to tighten nylon nut swivels on a connector fitting that is heat sensitive. Between 240 degrees F and 300 degrees F the brass nipple displaces (approximetly 1/4 inch) closing the cylinder valve module and stopping the flow of gas from the container. Inside the brass nipple is a flow-limiting device designed to sense excess gas flow. If excessive gas flow is detected, the RV Thermo Pigtail will shut down the flow to a maximum of 10 SCFH (by-pass flow). This product is required by RVIA (Recreational Vehicle Industry Association) as original equipment on your RV and should be maintained to the highest standards. Because of this required standard, when opening or refilling your LP gas cylinders, it could take as long as 20 minutes to re-pressurize your LP gas system for normal appliance(s) operation. NOTE: MEC Green Type I Nut for use on RV application ONLY (200.000 BTUH). 1/4 inch Male Pipe Thread x 20 Inch HP hose, Type 1 back check connector (Green).