Mr. Heater 2-1/4 in. D x 3/8 in. D Brass Adjustable Pressure Regulator

The Mr. Heater two stage auto-changeover regulator provides easy changeover from empty to full cylinder while providing adequate fuel to your RV. Features propane level indicator dual 1/4 In. inverted female flare inlets x 3/8 In. female pipe outlet and up to a 400000 BTU max flow. CSA certified and includes backflow prevention fittings.