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LIGHT DUTY TTW ® HIGH PERFORMANCE SERIES POWER VENT<br />
Light Duty TTW ® (Through-the-Wall) High Performance models provide maximum<br />
hot water deliverability from a space saving package. These models are perfect<br />
for applications where venting and space are a concern and if the required hot<br />
water demand is more than one standard water heater can provide.<br />
APPLICATIONS:<br />
Small commercial kitchens and motels<br />
FEATURES:<br />
full descriptions are available in glossary beginning on page 33<br />
• ICON System Control<br />
• ICON System Accessory Package<br />
Compatible<br />
• OnGuard RMT System Compatible–<br />
Accessory Module Required<br />
• High Input Combustion System<br />
• Electronic Ignition<br />
• Integrated Mixing Device (see detail below)<br />
• Helical Fin Flue<br />
• Powerful and Quiet Blower Mo<strong>to</strong>r<br />
• Horizontal and Vertical Venting<br />
• Hydrojet ® 2 Total Performance System<br />
• Vitraglas ® Lining<br />
• ¾” NPT Dielectric Waterway Fittings<br />
• Max Temp ‐ 180˚F<br />
• Pedestal Base<br />
• Side Connections<br />
• Two Protective Magnesium Anode Rods<br />
• Low Restriction Brass Drain Valve<br />
• T&P Relief Valve Installed<br />
• 2" Non-CFC Foam Insulation<br />
• 3–Year Limited Tank Warranty– can be<br />
upgraded <strong>to</strong> 5–Year at additional cost<br />
Integrated Mixing Device (IMD)<br />
(Installation required for operation<br />
on High Performance Models)<br />
X<br />
Z<br />
Y<br />
Model<br />
Number<br />
TW-25X-76B-3N<br />
TW-55X-78B-3N<br />
U.S.<br />
Gal.<br />
25<br />
55<br />
76,000<br />
78,000<br />
Floor <strong>to</strong><br />
Flue<br />
Conn.<br />
These models are not recommended for sanitation purposes.<br />
For Propane (LP) models change suffix "B" <strong>to</strong> "S" and "N" <strong>to</strong> "X” (Example: TW‐25X‐76S‐3X)<br />
*Based on manufacturers rated recovery efficiency.<br />
**TW4-75S Max. 3" vent length is 50ft. Subtract 5ft. for each additional 90º elbow.<br />
†Consult I&O Manual when using four or more elbows.<br />
IMD Dimensions<br />
Model<br />
Number<br />
25X-78B-3N<br />
55X-80B-3N<br />
Capacity Input Recovery at<br />
100°F Rise*<br />
Nat. LP<br />
Nat. LP U.S. U.S.<br />
BTU/Hr. BTU/Hr. GPH GPH<br />
X<br />
Distance<br />
Between<br />
Centers<br />
in.<br />
8<br />
8<br />
Y<br />
Depth of<br />
Mixing<br />
Device<br />
in.<br />
2 1 /2<br />
2 1 /2<br />
Venting Dimensions<br />
Z<br />
Height<br />
<strong>to</strong><br />
Center<br />
of Pipe<br />
in.<br />
6<br />
6<br />
76,000<br />
78,000<br />
75<br />
77<br />
75<br />
77<br />
in.<br />
62 5 /8<br />
63 3 /4<br />
Jacket<br />
Dia.<br />
in.<br />
18<br />
22<br />
Vent<br />
Size<br />
in.<br />
3<br />
3<br />
Approx.<br />
Shipping<br />
Weight<br />
lbs.<br />
170<br />
215<br />
Helical Fin Flue<br />
maximizes heat<br />
exchange capabilities<br />
<strong>to</strong> help raise thermal<br />
efficiency up <strong>to</strong> 82%.<br />
Subtract 5ft. for each additional 90° elbow.<br />
†For high altitude installations, consult the installation instructions.<br />
VISIT WWW.BRADFORDWHITE.COM FOR THE RIGHTSPEC ® SIZING AND CROSS REFERENCE PROGRAM.<br />
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