Description
The Mr. Heater F273846 High-Capacity Propane Auto-Changeover Two-Stage Regulator provides dependable propane delivery for RVs, trailers, and other dual-cylinder propane systems.
The automatic changeover design switches propane supply from an empty cylinder to the reserve cylinder, helping maintain continuous fuel flow without manually switching tanks. A propane level indicator located on top of the regulator makes it easy to monitor cylinder status.
This high-capacity two-stage regulator delivers up to 400,000 BTU of propane flow and maintains an 11″ W.C. outlet pressure. It features two 1/4″ inverted female flare inlets and a 3/8″ female pipe outlet.
Specifications
- Brand: Mr. Heater
- Manufacturer Part Number: F273846
- Fuel Type: Propane (LP)
- Regulator Type: Two-Stage Auto-Changeover
- Maximum Capacity: 400,000 BTU
- Outlet Pressure: 11″ W.C.
- Inlets: (2) 1/4″ Inverted Female Flare
- Outlet: 3/8″ Female Pipe
- Propane Level Indicator: Yes – top mounted
- Automatic Tank Changeover: Yes
- CSA Certified
- UPC: 089301994812






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