MEC 1/4 in. I.D. High Pressure Hose Green F. QCC x 1/4 in. MPT 15 in. L Replaces 511514

Item # 151855 | MEC Part # MER426-15 | UPC Code 076335169033 | UNSPSC Code 40142000
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Product Overview

The RV Thermo Pigtail (Type I ACME) provides a safe, user-friendly connection from your Marshall Excelsior MEGR-253/253H 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. 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).

  • Note: MEC Green type I nut for use on RV application only (200,000 BTU per hour)
  • Between 240 degree F and 300 degree F the brass nipple displaces (approximately 1/4 in.) closing the cylinder valve module and stopping the flow of gas from the container
  • Red female QCC, type I x 1/4 in. MNPT
  • Flexible thermoplastic UL and CGA approved hose
  • 15 in. hose length

Proposition 65 Information

Prop65 Warning Icon WARNING: These products contain a chemical known to the state of California to cause cancer and birth defects or reproductive harm -


Hose Assemblies Type
Female Flare Swivel
Inside Diameter
0.25 in.
Manufacturer Warranty
5 years after date of manufacture
Outdoor Living Product Type
Replacement Grill Part
Pack Size
Part Type
Product Depth (in.)
Product Height (in.)
Product Width (in.)


5 years after date of manufacture