The Vitodens 100-W, B1KA gas-fired condensing combi wall mount boiler from Viessmann Manufacturing Company Inc. has built-in, on-demand domestic hot water capability. The Viessmann-made SA240 S43932 stainless steel Inox-Radial self-cleaning heat exchanger and stainless steel, factory-calibrated, fully-modulating MatriX cylinder gas burner ensure optimum performance and operational reliability. The NG or LP fuel compatible boiler’s built-in DHW unit includes a stainless steel plate heat exchanger, three-speed pump, diverting, pressure bypass and pressure relief valves, water hammer arrester and sensors.
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