Mr. Heater 20,000 BTU Vent Free Radiant Dual Fuel Heater Size:20000 BTU A 7/16" ball groove shank

A 7/16" ball groove shank offers quick-change applications

solid hardwood handle

and the pressure relief range is 75 to 150 psi (5

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Fits Standard (¾ inch) Extension Poles

Mr. Heater 20,000 BTU Vent Free Radiant Dual Fuel Heater Size:20000 BTU A 7/16" ball groove shankThe Mr. Heater Vent Free Dual Fuel system is designed with absolute safety in mind. Mr. Heater's patented vent free dual fuel system is composed of dual valves, dual oxygen depletion sensors, and a manual selector switch to ensure correct installation. Mr. Heater certified dual fuel vent free heaters are your perfect supplemental heating solution. This radiant 20,000 BTU heater comes with integrated electronic ignition and on board thermostat for