Manual

TAKAGI
Tankless Water Heaters
Description/Application
The T-K3-Pro is a fully modulating, gas fired, tankless on-demand water heaters specifically designed for light commercial
applications. It can be either installed outdoors, indoors or direct vented. It can supply to domestic hot water systems or to
heating applications (local codes dictate proper compliance). Features HRS35 copper alloy and a thicker heat exchanger drum
for added durability. Up to 4 units can be easy linked without a multi-unit controller in sytems for larger applications.
Please check local codes prior to installations.
Fuel: NG or LP
Built in Freeze Protection
Manual Reset Hi Limit (Set at 194°F)
Overheat Cut Off Fuse
Inlet, Outlet & Mixing Thermistors for Constant
Temperature Monitoring
Air Fuel Ratio Rod
GFI Power Supply Connection
Flame Sensor
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Safety Features
4” Category III Stainless Steel
Vertical or Horizontal Installation
50’ Max Length, 5 elbows max
(90° elbows = 5’ equivalent length)
Power Vent
Electronic Ignition
3” Combustion Air Intake (with optional kit)
55 dB Noise Level at Max Output
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Venting and Combustion
TK-TV10 Direct Vent Conversion Kit (optional)
TM-RE30 Temperature Remote Control (optional)
- 400’ Max Distance From Water Heater
- Non-Polarized 18 Gauge Control Wiring
TK-RB01 Recess Box (optional)
TK-PC01 Pipe Cover (optional)
TK-TV04 Vent Cap (optional)
TK-BF01 Backflow Preventor (optional)
TK-KPWL4 & TK-KPWH4 T-Vent Terminations (optional)
Accessories
Default Mode: 99°F
100°F 102°F 104°F 106°F 108°F 110°F 111°F 113°F 115°F 117°F
122°F
(default) 131°F 140°F 158°F 167°F
High Temp Mode: 99°F 100°F 106°F 108°F 110°F 111°F 113°F
122°F (default) 131°F 140°F 149°F 158°F 167°F H (176°F or 185°F depends on dispswitch setting)
102°F 104°F
°
Temperature Settings
Dip Switch: 104°F 113°F 122°F (default) 131°F 140°F 158°F 176°F 185°F
Takagi Industrial Co. USA, Inc.
5 Whatney Irvine, CA 92618
888.882.5244 www.takagi.com
TM-RE30 Remote Controller
TM-TV13 Wall Ventilation Termination (direct vent)
Model T-K3-Pro
U
P
C
®
09-023-2009
Met SCAQMD rule 1146.2 (certified by BR Lab)
8.0
7.0
5.0
3.0
1.0
0.0
0 20 40 60 80 100 120 140
T-K-3-Pro Flow Rate Vs. Temperature Rise
Flow Rate (gpm)
Temperature Rise (°F)
Above shown rate is based on single unit only
Set temperature of 140°F or Lower Set temperature of 158°F or higher
6.0
2.0
Flow Rate (gpm)
Pressure Loss (psi)
Head Feet
T-K3-Pro Pressure Loss
1.0
5.0
0.0
0
20
40
15
25
0
10
10
20
30
50
5
8.0
Set temperature of 140° or lower Set temperature of 158° or higher
2.0 3.0 4.0 6.0 7.0