Description: This wall-mount, gas-fired condensing boiler is available in combi and heat-only models. It provides 4 gallons per minute (gpm) of domestic hot water and is designed with a single-tube, large-diameter stainless steel heat exchanger. A digital display control and 24-vac thermostat relay come standard with each unit. The boiler provides modulating combustion with a 10:1 turndown ratio, which allows greater system design flexibility.

Contact: 800-736-2378; www.williamson-thermoflo.com

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