Gas Fireplace Venting Requirements Ontario
Distance required usa 2.
Gas fireplace venting requirements ontario. And in addition to creating warmth and ambiance while you live there a gas fireplace can add value to your home. Natural draft venting power venting and direct venting. This new regulation mandates that any new or replacement appliance installation must be completed with a venting material which is marked and complies with the new standard ulc s636 piping rather than unmarked pvc cpvc or abs piping which had previously been. Vent free hearth products can be installed without venting up a chimney or to the exterior of the house.
Many of the gas fireplaces sold today evacuate combustion products using a vertical chimney gas vent which takes advantage of the natural draft caused by the temperature of the flame hot air rises. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. 84 2 1m 3 note 5. Vent pipe for a direct gas fireplace is unique.
According to the residential cost handbook a gas fireplace has the potential to add an average of 5 900 to the value of a home. These units have a draft hood. Direct vent gas fireplaces come in many designs ranging from traditional to modern. Minimum clearance distance requirements for the exterior vent termination of a gas fireplace heater 8.
Clearance above paved sidewalk or a paved driveway located on public property. Here are some of the venting types. According to fireplaces now 45 million homes worldwide and more than 8 million american homes enjoy the comfort and convenience of vent free gas fireplaces. On august 1 2007 the technical standards safety authority tssa adopted new national code requirements regarding the installation of plastic venting systems for gas burning appliances such as water heaters boilers and furnaces.
This type of gas fireplace can be installed inside the house envelope even against an outside wall. 2 fireplace inserts and hearth mounted stoves vented through the throat of a fireplace described in sentence 1 may be installed in existing fireplaces only if a minimum thickness of 190 mm of solid masonry is provided between the smoke chamber and any existing combustiblematerials unless the insert is listed for lesser clearances. Class a chimney usually has a 2 inch clearance to combustibles and a type b gas vent normally has 1 inch clearance. Free standing gas fireplaces typically resemble some of the new wood burning stoves.
When the vent is withdrawing air from the house it expels the gas outside through the vent. 1 combustible material shall not be placed on or near the face of a fireplace within 150 mm of the fireplace opening except that where the combustibl e material projects more than 38 mm out from the face of the fireplace above the opening such material shall be at least 300 mm above the top of the opening. Direct vent gas fireplace exhaust termination item clearance distance. Also known as the type b this vent is operating on the natural air convection.