Consumers' directory of certified water heating efficiency ratings.
Publisher: Gas Appliance Manufacturers Association.
Language: eng
Number of pages: 1982
Notes: SUPERSEDED BY: Consumers' directory of certified efficiency ratings for residential heating and water heating equipment. REF TH 7470 C68 LIBRARY HAS:  (7/82, 7/84-7/86, 1/87, 7/87)    Keep all issues for historical reference.