Commercial condensing boiler

AERCO’s compact Benchmark Platinum 4000 and 5000N commercial condensing boilers fit a small 4000/5000 MBH footprint, measuring 78.2 in. H x 34 in. W x 63.5 in. D. Features include a durable 439 stainless steel, fire-tube heat exchanger, self-adjusting combustion to optimize O2 levels, Edge Controller and mobile app, and dual returns.