The CB-500 -CTB large-capacity used oil coil tube boiler is designed to recycle large volumes of used oil (3.6 gallons per hour) and units produce hot water for in-floor, baseboard and space heating, as well as for ice-melt applications. The CB-500-CTB has an input rating of 500,000 BTU, weighs 1,600 pounds and can heat an area of more than 12,000 square feet. The unit has a low-mass design which holds just 20.6 gallons of water, yet 37 gallons-per-minute flow through the coil.
