Marshall Gas Controls

4041020

Marshall Gas Controls 40410-20 20 Pigtail ACME Nut

EAN: 0612312101124

UPC: 612312101124

SKU: 33166120

RV Parts & Accessories

Use on two bottle systems with two stage automatic changeover regulators or regulators with "T" checks
UL/CGA listed
Meets RVIA and OEM requirements
Has a 1/4 inch inverted flare

The Type I ACME Pigtail features a green nylon nut that swivels on a black bushing which is heat-sensitive. Between 240° F and 300° F the bushing will melt allowing the spring-loaded module in the valve to push the brass nipple back (approximately 1/4") closing the module and stopping the flow of gas from the container. Inside the brass nipple is a flow-limiting device designed to sense excessive gas flow. If an excessive flow is sensed, the flow-limiting device shuts the flow down to a maximum of 10 SCFH. This is also referred to as the by-pass flow.

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