ANSI Z21.56

Gas-Fired Pool Heaters

Org/Number ID	ANSI Z21.56
Alternate Organization ID / number	ANSI Z21.56a; ANSI Z21.56b; CSA 4.7
Version(s)	2000 (ANSI Z21.56a, ANSI Z21.56b); 1998 (ANSI Z21.56); 1994 (ANSI Z21.56, ANSI Z21.56b); 1993 (ANSI Z21.56a); 1991 (ANSI Z21.56); 1990 (ANSI Z21.56a, ANSI Z21.56b); 1989 (ANSI Z21.56); 1988 (ANSI Z21.56b); 1987 (ANSI Z21.56a); 1986 (ANSI Z21.56); 1985 (ANSI Z21.56b); 1984 (ANSI Z21.56a); 1983 (ANSI Z21.56); 1982 (ANSI Z21.56b); 1981 (ANSI Z21.56a); 1979 (ANSI Z21.56); 1978 (ANSI Z21.56b); 1975 (ANSI Z21.56a); 1974 (ANSI Z21.56)
Bin #	629
Comments
Status	Present
Record last updated	January 9, 2023, 1:58 pm

This is not the most recent edition of this standard.

Newer edition note: CSA 4.7:19/ANSI Z21.56:19