Suggested Retail:$85. ZOBO 30,000 BTU Propane Tank Top Heater. The Zobo ZB TT30 Double Burner Tank Top Heater generates radiant heat that warms people and objects, rather than the air. It is a portable heating solution that is perfect for indoor (with proper ventilation) and outdoor construction use. The ZBTT30 is rated at 9,000 - 30,000 BTUs and heats up to a 25 ft. radius for a period of 14-hours to 48-hours depending on the number of burners lit and the BTU level selected. The ZBTT30 does not require electricity and it is mounted directly to a standard 20 lbs. liquid propane (LP) tank (not included). Assembly is easy, as a hand wheel is included to connect the P.O.L. tank connection to a standard 20 lbs. tank. This tank top heater has high, medium and low variable BTU settings, steel heat reflectors and the burner heads swivel, to direct the heat and maximize comfort control. . 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.