In Ontario, beginning on August 2007, the Technical Standards and Safety Authority (TSSA) has adopted new national code requirements regarding the installation of plastic venting systems for gas burning appliances such as water heaters, boilers and furnaces.
PVC, CPVC or ABS piping has been used for many years but there have been reported cases of failure due to cracking, melting etc. causing potential unsafe conditions as a result of carbon monoxide leaking into the home. To address this situation the national installation code for natural gas and propane appliances has been revised. The new code stipulates that only plastic piping certified as gas vent (standard ULC S636) can be used for all installations of new and replacement natural gas and propane appliances.
Existing applications will not be affected unless there is a safety issue or the existing vent has deteriorated.
What this means to home owners is that the replacement of any furnace, water heater or boiler whether owned or rented will require upgrading of the plastic venting system. The existing vent will not be permitted to be reused. The cost of replacement and any work necessary to access the piping will be the responsibility of the homeowner.
In special circumstances, customers may apply to the TSSA for a variance, however note that this process will also require additional fees for testing and ongoing inspection in order to qualify. Additional information is available directly from TSSA at http://www.tssa.org/
Orange labels on pipe and fittings are required by
ULC S636 And clearly distinguish a certified gas
venting system from everyday uncertified pipe
PVC, CPVC or ABS piping has been used for many years but there have been reported cases of failure due to cracking, melting etc. causing potential unsafe conditions as a result of carbon monoxide leaking into the home. To address this situation the national installation code for natural gas and propane appliances has been revised. The new code stipulates that only plastic piping certified as gas vent (standard ULC S636) can be used for all installations of new and replacement natural gas and propane appliances.
Existing applications will not be affected unless there is a safety issue or the existing vent has deteriorated.
What this means to home owners is that the replacement of any furnace, water heater or boiler whether owned or rented will require upgrading of the plastic venting system. The existing vent will not be permitted to be reused. The cost of replacement and any work necessary to access the piping will be the responsibility of the homeowner.
In special circumstances, customers may apply to the TSSA for a variance, however note that this process will also require additional fees for testing and ongoing inspection in order to qualify. Additional information is available directly from TSSA at http://www.tssa.org/
Orange labels on pipe and fittings are required by
ULC S636 And clearly distinguish a certified gas
venting system from everyday uncertified pipe
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