Brochure

30
Model
Number
Gallon
Capacity
First Hour
Rating
Gallon
Energy
Factor
BTU Input
Natural
Gas
BTU Input
Propane
Gas
Recovery
90°F Rise
Gallon Per
Hour
Tall Models
†GCB-30
30 64 0.63 35,500 32,000 37
GCR-30
30 67 0.63 35,500 32,000 37
‡GCRH-40
40 67 0.62 35,500 N/A 38
†GCB-40
40 70 0.62 40,000 36,000 42
GCR-40*
40 70 0.62 40,000 36,000 42
GCG-50*
50 88 0.60 40,000 37,000 41
GCR-50*
50 88 0.62 40,000 37,000 43
GCRT-50*
50 92 0.60 50,000 45,000 54
†GCRX-50*
50 98 0.60 60,000 54,000 65
GCRX-55*
55 106 0.59 60,000 54,000 65
Short Models
†GCBL-30
30 56 0.63 35,500 32,000 37
GCRL-30
30 62 0.63 35,500 32,000 37
†GCBL-40
40 67 0.62 40,000 36,000 41
GCRL-40
40 68 0.62 40,000 36,000 41
GCRL-50
50 93 0.60 40,000 40,000 43
Line drawings and dimensions on the following page.
Water connection is ¾” on all models.
For 10-year tank and 6-year parts warranty, change “G” to “X” in model number (example:
XCR-30).
All models approved for installation from sea level to 10,100 ft. elevation.
† Models ship with supplied insulation blanket
Specify when ordering propane (LP) gas.
‡ LP models not available on GCRH-40
*For optional side-mounted recirculating taps, add "L" to the suffix in the model number.