ANSI Z21.47, Gas-Fired Central Furnaces, eliminates use of ABS and PVC Cellular/Foam Core products
The 2021 edition of American National Standard ANSI Z21.47, Gas-Fired Central Furnaces, which went into effect on December 1, 2022, eliminates the use of ABS and PVC Cellular/Foam Core products for flue venting systems.
See related technical bulletins from Carrier and Daikin below.
See related technical bulletins from Carrier and Daikin below.
| carrier_technical_bulletin_removal_of_celllularfoan_core_piping_approval.pdf |
| tsb_c-gn-fn-0024_eliminate_abs__pvc_cellular_core_piping_on_90__furnaces16.pdf |