User guide

Residential/Commercial Ultra-Low NOx Gas Tankless Water Heaters
Page 2 of 4 www.takagi.com TBGSS01212
All dimensions in inches.
15-150 psi water pressure. 40 psi or above recommended for maximum flow.
* Category III required
**Current numbers based on factory testing, 0.4 GPM required for continuous fire after initial ignition.
Pressure only relief valve required (Min. 200,000 BTUs. 150 PSI). Min 50 PSI or above recommended for maximum flow.
Complies with Ultra-Low NOx regulations (SCAQMD Rule 1146.2) effective January 1, 2012.
Freeze protection draws 1.1 AMP
Indoor models are certified from sea level to 8,000 ft. elevations.
MODEL
NUMBER
FUEL
TYPE
GAS CONSUMPTION
INPUT
ENERGY
FACTOR
(EF)
INLET GAS
PRESSURE
MAX
GPM**
DIMENSIONS IN INCHES
VOLT AMP FLUE*
INTAKE
(OPTIONAL)
HOT/COLD
GAS
CONN.
APPROX.
SHIPPING
WEIGHT
(LBS)
MIN.
BTU/H
MAX.
BTU/H
MIN.
W.C.
MAX.
W.C.
HEIGHT WIDTH DEPTH
T-KJr2U-IN-N Natural 15,000 140,000 0.82 5.0 10.5 6.6 20-1/4 13-3/4 120 0.54 4” O.D. 3.0” O.D. 3/4” NPT 37
T-KJr2U-OS-N Natural 15,000 140,000 0.82 5.0 10.5 6.6 20-1/4 13-3/4 120 0.54 4” O.D. 3.0” O.D. 3/4” NPT 37
T-K4U-IN-N Natural 15,000 190,000
0.82 5.0 10.5 8.0 20-1/4 13-3/4 120 0.83 4” O.D. 3.0” O.D. 3/4” NPT 37
T-K4U-OS-N Natural 15,000 190,000
0.82 5.0 10.5 8.0 20-1/4 13-3/4 120 0.83 4” O.D. 3.0” O.D. 3/4” NPT 37
T-D2U-IN-N Natural 15,000 199,000
0.82 5.0 10.5 10.0 20-1/4 13-3/4 120 0.86 4” O.D. 3.0” O.D. 3/4” NPT 39
T-D2U-OS-N Natural 15,000 199,000 0.82 5.0 10.5 10.0 20-1/4 13-3/4 120 0.86 4” O.D. 3.0” O.D. 3/4” NPT 39
Ultra-Low NOx Tankless Models
INDOOR MODEL
Side view
Front view
1" (26 mm)
4-3/8" (113 mm)
19-3/8" (493 mm)
120 VAC 3" (75 mm)
GAS 5-1/4" (135 mm)
HOT 6" (153 mm)
COLD 6" (153 mm)
9-1/2" (241 mm)
∅
120 VAC 1-5/8" (40 mm)
COLD 1-5/8" (41 mm)
GAS 5" (127 mm)
HOT 4-5/8" (116 mm)
20-1/4" (520mm)
13-3/4" (350 mm)
1-3/8" (36 mm)
1-7/8" (47 mm)
3-5/8" (94 mm)
10" (254 mm)
7" (180 mm)
2-1/4" (58 mm)
CLEARANCES: Top 12”, Bottom 12”, Front 24”, Back 0.5”, Sides 2”
9-1/2
9-1/2
9-1/2
9-1/2
9-1/2
9-1/2
255045_TBGSS91212.indd 2255045_TBGSS91212.indd 2 3/25/13 2:47 PM3/25/13 2:47 PM