A7 & A12 Comparison Table

Specifications:
(Ambient Temp. 68°F)		 A7 A12
Max. Water Temperature:
135° F (10° F between open and close)
Efficiency: 258% 258%
Energy Factor:
2.11 gama logo 2.11
Ist Hour Rating (40gal tank):
 43 Gallons gama logo 53 Gallons
Output:
 7000 BTUs 12000 BTUs
Dimensions:
 18" x 14" x 13"(height)  
Weight:
 48 lbs 64 lbs
Electrical Specifications:
 A7 A12
Volts:
115 115
Amps:
 6 operating 10 operating
Phase:
 1 1
Frequency:
 60 Hz 60 Hz