Welcome to HVAC TECH GROUP Monday, June 26 2017 @ 06:25 PM EDT

Director's Advisory FS-111-07

  • Views: 1,011
TSSA Advisories Director's Advisory FS-111-07 - Variance Conditions for Temporary Use of Existing Uncertified Plastic Vents (B149.1-05, section 8.9.6)



Advisory FS11107


*Click image to enlarge.

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.