Residential Gas Energy Saver TTW® High Performance Water Heaters
24/25
C
■ Bradford White ICON System™ ■ High input combustion system ■ Integrated Mixing Device ■ Helical fin flue ■ Vitraglas® lining ■ Factory installed Hydrojet®2™ Total Performance System ■ Water Connections – 3/4" NPT factory installed true dielectric fittings ■ Non-CFC foam insulation ■ Two protective magnesium anode rods
■ Powerful blower motor ■ Honeywell self diagnostic electronic gas control ■ Flammable vapor sensor (not FVIR compliant) ■ Electronic ignition ■ Horizontal and vertical venting ■ 3/4" NPT side tappings for space heating ■ T&P relief valve installed ■ Low restriction brass drain valve
B K
A J
H
D&G
F
E
Photo of GX-2-TW-25S6BN
Power Vent Energy Saver Models
Meet or exceed ASHRAE 90.1b (current standard) CEC Listed 82% Thermal Efficiency
DIMENSIONS IN INCHES
NATURAL GAS AND LIQUID PROPANE GAS MODELS Model Number
GX-2-TW-25S6BN GX-1-TW-55S6BN
Gal. Cap.
25 55
A
B
C
D
E
76,000 78,000
155 200
82 84
625/8 633/4
18 22
3 or 4 3 or 4
48 48
111/2 111/2
133/8 133/8
All propane models feature a Titanium Stabilized Stainless Steel burner. For propane (LP) models change suffix “BN” to “SX”. *Based on manufacturers rated recovery efficiency. †Dimension to top of installed mixing device. ††When tested to the industry standard residential first hour delivery procedure. GX-2 has 2" of insulation. GX-1 has 1" of insulation. Gas connections are 1⁄2". GX-2-TW-25S6BN GX-1-TW-55S6BN
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F
H
J
Floor to Floor Floor Floor GPH 1st Hour†† Floor Floor Floor to Input Delivery Recovery to Vent Jacket Vent to T&P to Gas Space Heating Space Heating to Heater to Water Outlet Top Conn.† BTU/Hr. Rating 90°F Rise* Conn. Dia. Size Conn. Conn. Return
3" Vent Pipe
48 48
567/8 58
Approx. Shipping Depth Weight (lbs)
253/8 273/8
(LP) Propane Gas Inputs
GX-2-TW25S6SX GX-1-TW55S6SX
Z
4" Vent Pipe
†60 ft. †180 ft. Max. Equivalent Length Min. Equivalent Length 7 ft. 15 ft. Number 1 55 ft. 175 ft. of 2 50 ft. 170 ft. 90° Elbows 3 45 ft. 165 ft. †Consult I&O manual when using four or more elbows. Subtract 5ft. for each additional 90° elbow.
527/8 54
K
Y
GPH Rec. 90°F Rise
76,000 BTU/Hr. 78,000 BTU/Hr.
82 84
Integrated Mixing Device (Installation required for operation) Model Number
X
170 215
GX-2-TW25S6BN GX-1-TW55S6BN
X Distance Between Centers in.
in.
Z Height to Center of Pipe in.
8 8
21/2 21/2
6 6
Y Depth of Mixing Device