What Is A Chimney Liner For Hot Water Heater

When venting a gas water heater to a chimney be aware that holes in the chimney can prevent a good draw on the water heater causing downdrafts and presenting the risk of carbon monoxide poisoning.

What is a chimney liner for hot water heater.

The conditions explained in this post also apply to the wood burning appliances. That s about 7 sq inches. Proper furnace water heater venting is an extremely important issue which depends on the performance of the house chimney chimney flue or other exhaust assemblies. When the plumber came to give me an estimate on a new water heater he said that it would be an orphan appliance and i would need to have a new liner in my chimney in order to have a water heater pass inspection.

Water heater flue is just a bit more than 7 sq in so the chimney must not be greater than 49 sq in. And its corresponding chimney flue limit is just over 88 sq in. Water vapor is a byproduct of the combustion of natural gas. Diameter flue is 12 588 sq in.

To avert this problem you can vent the water heater to the largest hole in the chimney and cap the remaining holes. Multiplied times 7 in the code you re chimney cannot be more than 49 sq inches of interior area. Around here most tile liners are 6 5 x 10 and a smaller liner is needed. Consequences of improperly assembled vent pipes problematic chimney flue deteriorating chimney walls can be sometimes fatal fire and carbon.

If you are having a conventional hot water heater upgradeto an energy efficient one in toronto and gta and if your house does not currently have a chimney liner installed technician legally should not install a hot water heater for you unless a chimney liner is installed as well. The chimney is on the outside. Most home water heaters have a 3 draft hood outlet even if vented in 4. Please tell me about this and about how much such a service should cost.

Whether it is a furnace hot water heater wood burning insert or stove and even existing fireplace by adding insulation you have also increased the. Having peace of mind knowing your family house and belongings are better protected from dangerous carbon monoxide and potential chimney fires by the installation of a stainless flue liner. The cost to install a flue liner can offset some of the added expense go installing a high efficiency water heater such as a tankless or power vent model. Typically a power vent water heater will cost the same as it would to have a flue liner installed and regular water heater.

Herein lies the problem. I have a new energy saving furnace. Going to line with 3 or 4 inch pipe which size is better and should one wrap the liner in insulation even if chimney is already clay lined.