Manual

TAKAGI
Tankless Water Heaters
Model T-K3-Pro
U
P
C
®
09-023-2009
HT W D WT Volt Amp Flue Intake Connections
(Hot/Cold/Gas)
20.5” 13.8” 8.5” 40 lbs. 120 0.77 4” O.D.* 3.0” O.D. (opt.) 3/4” NPT
Max BTU/h Min BTU/h Energy Factor Thermal Eff. AFUE Min Press Max. Press
199,000 11,000 0.827 82.3% 0.80 5.0” W.C. 10.5” W.C.
199,000 11,000 0.833 83.6% 0.81 8.0” W.C. 14.0” W.C.
Input
NG
LP
Input
GPM Water PSI Coil Cap
0.5 - 7.0** 15 - 150 PSI*** 0.2 Gallons
Clearances Top Bottom Front Back Sides
Indoor 12” 12“ 4” 1“ 2”
Outdoor 36“ 12” 24“ 1” 2”
* Category III Required **Current numbers based on factory testing, 0.4 GPM Required for Continuous Fire After initial Ignition.
***Pressure Only Relief Valve Requires (Min. 200,000 BTUs. 150 PSI). Min 40 PSI or above recommended for maximum ow.
Warranty:
10 years Heat Exchanger, 5 years Parts (for Residential Use) - 3 years Heat Exchanger, 3 years Parts (for Commercial Use)
Specication
Water heater(s) shall be Model T-K3-Pro as manufactured by Takagi Industrial Company, Inc. The water heater(s) shall be a copper coil integral n and tube
construction with quick release brass or bronze waterways. Heater(s) will be factory assembled and tested.
The heater shall be vented with 4” Stainless steel Category III vent pipe a distance not to exceed 50’ (equivalent) feet terminating vertically or horizontially
as prescribed. Intake air with optional direct vent kit may be of such material as PVC not to exceed a total of 50’ (equivalent).
The heater(s) shall be controlled by onboard solid state printed circuit board monitoring incoming and outgoing temperatures with factory installed
thermistors, sensing and controlling ow rate to set point temperature with control both air and gas mixture inputs to maintain thermal combustion
eciency. Unit also consists of ground fault interrupter, inline fusing, spark ignition and sensor system, aluminized stainless steel burners, air-fuel ratio
rod, Hi limit switch, modulating and proportional gas valves, freeze protection sensor and heating block and overhead cut-o fuses.
The water heater(s) shall be CSA listed, exceeds the energy eciency requirements of ASHRAE 90. 1b-1992 and listed by SCAQMD rule 1146.2 Low NOx.
T-K3-Pro:
19-3/8" (492.7mm)
1-5/8" (42.5mm)
1" (26.3mm)
2-3/4" (72mm) COLD
3-3/4" (96.5mm) 120V
5-3/8" (136.1mm) GAS
6-1/2" (164.4mm) HOT
9-1/2" (241.3mm)
Ø4" (Ø101.6mm)
1-3/4" (45mm)
1-3/4" (45mm)
10" (254mm)
13-3/4" (350mm)
1-1/2" (37.8mm)
20-1/4" (514mm)
21-3/8" (544mm)
1-7/8" (47mm)
3-1/4" (84mm) COLD
5-1/4" (132.9mm) HOT
1-3/8" (36mm) 120V
4-7/8" (124.3mm) GAS
4-1/2" (114.2mm)