UL 1261-1992 UL Standard for Safety Electric Water Heaters for Pools and Tubs (Third Edition; Reprint with Revisions Through and Including April 29@ 1994)
2004UL 1261 BULLETIN-2004 UL Standard for Safety Electric Water Heaters for Pools and Tubs
2001UL 1261-2001 UL Standard for Safety Electric Water Heaters for Pools and Tubs (Fifth Edition; Reprint with Revisions Through and Including June 16@ 2010)
1996UL 1261-1996 UL Standard for Safety Electric Water Heaters for Pools and Tubs (Fourth Edition)
1992UL 1261-1992 UL Standard for Safety Electric Water Heaters for Pools and Tubs (Third Edition; Reprint with Revisions Through and Including April 29@ 1994)