Automatic Draft/Combustion Air Systems Save $$$
New patented CPC-3 Control regulates fan speed, for perfect draft and/or combustion air for true energy savings and optimum efficiencies. Eliminate large combustion air louvers, multiple vents, unsightly stacks and reduce vent diameters by up to 50%. Common vent atmospheric, forced draft, and fan-assisted heaters. New VSUB-Series Blowers vent flue gases up to 575F or provide automatic combustion air. Tjernlund Products, Inc., www.tjernlund.com