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Owner's Manual

ManualsBrandsTakagi ManualsResidential Tankless Water HeaterTakagi 10 GPM Residential Natural Gas Tankless Water Heater with 199000 Maximum BTU Input
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TRGSS00116
15-150 psi Water Pressure. 40 psi or above recommended for maximum flow.
*Current numbers based on factory testing; 0.5 GPM for activation; 0.4 GPM required for continuous fire after initial ignition.
Indoor models are certified from sea level to 10,100 ft. elevations. Outdoor models are certified from sea level to 6,000 ft. elevation.
MODEL NUMBER TYPE
GAS CONSUMPTION
INPUT
INLET GAS PRESSURE
ENERGY
FACTOR
(EF)
MAXIMUM
GPM*
HOT/COLD
CONNECTIONS
GAS
CONNECTION
DIMENSIONS IN INCHES
UNIT
WEIGHT
(LBS)
MINIMUM
BTU/H
MAXIMUM
BTU/H
MINIMUM
IN. W.C.
MAXIMUM
IN. W.C.
HEIGHT WIDTH DEPTH
INDOOR MODELS
TK-540P-NIH
Natural 15,000 199,000 4.0 10.5 0.95 10 3/4" NPT 3/4" NPT 23-5/8 17-3/4 11-1/4 61
TK-540P-PIH
Propane 13,000 199,000 8.0 14.0 0.95 10 3/4" NPT 3/4" NPT 23-5/8 17-3/4 11-1/4 61
OUTDOOR MODELS
TK-540P-NEH
Natural 15,000 199,000 4.0 10.5 0.95 10 3/4" NPT 3/4" NPT 23-5/8 17-3/4 11-1/4 61
TK-540P-PEH
Propane 13,000 199,000 8.0 14.0 0.95 10 3/4" NPT 3/4" NPT 23-5/8 17-3/4 11-1/4 61
INDOOR MODELS
CONDENSING TANKLESS WITH INTEGRATED RECIRCULATION PUMP
COLD 5/8" (17 mm)
GAS 5-3/4" (147 mm)
Condensate drain port
120 VAC 3" (77 mm)
Drain port 4-7/8" (124 mm)
HOT 6-3/4" (171 mm)
RETURN 3-1/8" (79 mm)
7-1/2" (189 mm)
COLD 5/8" (17 mm)
7-1/2" (189 mm)
17-3/4" (450 mm)
6-1/4" (159 mm)
7" (180 mm)
Φ 4" (102 mm)
15" (381 mm)
Φ 4" (102 mm)
FemaleFemale
23-5/8" (600 mm)
24-7/8" (631 mm)
RETURN 4-5/8" (117 mm)
GAS 5-1/8" (131 mm)
HOT 6-1/2" (164 mm)
COLD 6-3/4" (172 mm)
Condensate drain port
Drain port 6-1/4" (159 mm)
120 VAC 3-7/8" (174 mm)
7-7/8" (199 mm)
11-1/4" (285 mm)
5-3/4" (147 mm)
Exhaust 2-5/8" (65 mm)
Intake 2-5/8" (68 mm)
RETURN 4-5/8" (117 mm)
GAS 5-1/8" (131 mm)
HOT 6-1/2" (164 mm)
COLD 6-3/4" (172 mm)
Condensate drain port
1/2 (13 mm)
Drain port 6-1/4" (159 mm)
120 VAC 3-7/8" (174 mm)
7-7/8" (199 mm)
120 VAC 3" (77 mm)
GAS 5-3/4" (147 mm)
Condensate drain port
Drain port 4-7/8" (124 mm)
HOT 6-3/4" (171 mm)
RETURN 3-1/8" (79 mm)
5-3/4" (147 mm)
6-1/4" (159 mm)
17-5/8" (448 mm)
540P Indoor (AT-H3P-DV)