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Highefficiency sealedcombustion

High-efficiency sealed-combustion units generally produce an acidic exhaust gas that is not suitable for old, unlined chimneys, so the exhaust gas should either be vented through a new duct or the chimney should be lined to accommodate the acidic gas (see the section on maintaining proper ventilation below). Our.

Added: 2020-05-09 | Comments: 0 | Category: one