CSA/AM Z21.56
What is the laboratory for CSA/AM Z21.56?
For CSA/AM Z21.56, laboratory is UL LLC; standard title is Gas-Fired Pool Heaters, verified against its source on 2026-09-17.
CSA/AM Z21.56 | Gas-Fired Pool Heaters |
— osha.gov, retrieved 2026-08-10
- Laboratory
- UL LLC
- Standard number
- CSA/AM Z21.56 verified
- Standard title
- Gas-Fired Pool Heaters verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/ul