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Revision to ANSI Design Standard for Gas-Fired Central Furnaces Effective 12/01/22

A revised version of ANSI Z21.47/CSA 2.3, Design Standard for Gas-Fired Central Furnaces, scheduled to be released with an effective date of December 1, 2022, disallows use of ABS Cellular/Foam Core and PVC Cellular/Foam Core products for use in vent systems.

Any condensing furnace installation performed before December 1, 2022, may continue to utilize ABS Cellular/Foam Core or PVC Cellular/Foam Core products in construction of the venting system, where the authority having jurisdiction allows its use,

Carrier Corporation has removed ABS Cellular/Foam Core and PVC Cellular/Foam Core products from the approved vent system materials list in all current versions of their condensing gas furnace installation manuals.

See Carrier Technical Information Communication TIC-2022-0011 below for more information.


TIC-2022-0011
File Size: 23 kb
File Type: pdf
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