Author Topic: Director's Advisory FS-111-07 - Temporary Use of Existing Plastic Vents  (Read 2807 times)

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Download the Variance Conditions for Temporary Use of Existing Uncertified Plastic Vents (B149.1-05, section 8.9.6) - Here

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Clause (8.9.6)
(a) Until July 1, 2008, vents constructed using plastic piping shall be certified to ULC S636 except for special fittings (non standard vent sizes and components) which may include:
a. entire vent systems supplied with the appliance that are not comprised of standard vent sizes and components;
b. transitions with or without condensing lines; and
c. termination kits.
(b) After July 1, 2008, vents constructed using plastic piping shall be certified to ULC S636.