Marshall Excelsior MEGR-253HP Excela-Flo Automatic Propane Regulator - High Capacity - Clamshell

350,000 BTU
Item Number
N06-0442 - Here
Marshall Excelsior
MFG. Part No
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Item Description

Automatic Changeover regulators prevent gas outages by switching supply cylinders over to the reserve cylinder automatically when the primary cylinder is near empty. When the primary cylinder is depleted causing the changeover to occur a red indicator will appear signifying the reserve cylinder in now in use and the primary cylinder can be refilled without loss of service.  350,000 BTU - 1/4" Inv. Flare x 3/8" FPT - Clamshell

Inlet Size: 1/4 Inch
Inlet Attachment Type: Female Inverted Flare
Outlet Size: 3/8 Inch
Outlet Attachment Type: Female Threads
Installation Type: Vertical
Outlet Pressure: 11 Inch WC
Number Of Stages: 2
BTU Level: 350000 BTU/ 200000 BTU
Material: Zinc
With Shut Off Valve: No
With Hose: No
RV Approved: Yes

  • Automatic Changeover Regulator Automatically Redirects LP Gas Vapor Flow From An Empty Service Cylinder To A Reserve Cylinder, Without Interruption Of Service
  • Meet UL, RVIA And NFPA Requirements
  • Made In The USA
  • Features An Easy To Read Green Indicator Which Changes To Red When The Service Cylinder Needs To Be Refilled
  • Limited 5 Year Warranty