UL 391

Solid-Fuel and Combination-Fuel Central and Supplementary Furnaces

Org/Number ID	UL 391
Alternate Organization ID / number	ANSI/UL
Version(s)	1991
Bin #	0392
Comments
Status	Present
Record last updated	June 11, 2022, 7:34 pm

This is not the most recent edition of this standard.

Newer edition note: 2010