Master Forge 30000 -BTU Wall -Mount Indoor Natural gas or liquid propane Vent-Free Convection Heater

30000 -BTU Wall -Mount Indoor Natural gas or liquid propane Vent-Free Convection Heater. Wall-mounted indoor heater uses dual fuel technology for your choice of either liquid propane or natural gas. Heater provides up to 30,000-BTUs per hour, and warms an area up to 1,000-sq ft. Thermostat control knob automatically maintains your ideal heat level. 24.09-in H x 10.51-in D x 28.07-in W. Innovative wrong fuel shut-off prevents issues from an incorrect fuel hook-up. Propane heater does not require electricity, making it a reliable, back-up heater option. Blue flame heating technology spreads heat like a central heating system by convecting heat to warm the air. Base legs (WBL100) allows for stable floor mounting (sold separately). Quiet fan (WHF100) increases the heat radius (sold separately)