Aerco’s, Blauvelt, New York, Benchmark condensing boiler delivers up to eight per cent additional efficiency through its patented AERtrim O2 trim technology. The condensing boiler enables precise combustion by self-correcting problems caused by external variables, such as fluctuations in combustion O2 levels, air temperature, occupancy/loads and gas pressure.
The boiler features a 439 stainless steel fire tube heat exchanger, a 20-to-one turndown ratio, and venting versatility with AL29-4C or polypropylene. Sizes available between 750 to 6000 MBH.