Q. We had a chimney cleaning service inspect our chimney and they suggested that we install an insulated flexible aluminum flue liner in our chimney connected directly to our gas water heater vent.

It shares the flue with a conventional, gas-fired water heater exhaust ... Condensation problems can be corrected by installing a metal liner in the existing masonry flue, using a double-wall ...

It was a classic case of sustained flue gas condensation, which contains both nitric and sulfuric acids. For every 100,000 Btu of combustion, a gallon of condensate can be generated! The chimney had ...

In some cases, the contractor can install a power vent—a blower to move the exhaust gas out before condensation can form. An insulated chimney-flue liner may solve the problem, too. *This story ...

Whenever a fire burns, whether in a fireplace or a gas-fired furnace ... have been constructed with flues, also known as liners or flue liners. Masonry chimneys are lined with 2-foot segments ...

At inspection, I was told that I need to have a boiler flue liner installed. The inspector suggested the stainless steel tube type, but also mentioned a ceramic tile option. I have a couple of ...

It results from thermal condensation on the walls (the result of heat transfer from the flue gas to the outside air through the liner, insulation, annulus air, and concrete shell) and from ...

A: You should have the chimney or flue liner cleaned and inspected before ... often with a washer and dryer. A gas-fired appliance needs 11 cubic feet of fresh air per hour for every 1,000 Btus ...

We're not surprised that a 1906 home is equipped with an unlined masonry chimney. Widespread use of flue liners did not occur until later. The lack of a liner does not necessarily mean that the ...