Albany, N.Y.– Centrotherm Eco Systems is pleased to announce its latest approval on Bock’s optiTHERM series of condensing water heaters. The optiTHERM series covers all “OT” models followed by 200, 250, 299, 300, 400, or 500; N or LP; a blank or –A; and a blank or –H25, -H58, or –H28.

InnoFlue Single Wall, Flex & Concentric are engineered systems designed to vent exhaust gases from high efficiency heating appliances. InnoFlue is the only polymeric vent system listed to both UL-1738 and ULC-S636 safety standards making it approved for use in both the U.S. and Canada. Designed with gasketed joints that eliminate the need for glues and primers providing a clean and V.O.C. free installation, InnoFlue can be installed in a fraction of the time, reducing labor costs.

Visit www.centrotherm.us.com; www.bockwaterheaters.com