TECHNICAL Specifications - All Takagi Models

   T-Kjr T-K3 T-M199 T-M1 T-H1 T-K3-OS T-M50

Power Input (Natural Gas)

19,500-140,000 BTU 11,000-199,000 BTU 25,000-199,000 BTU 25,000-235,000 BTU 15,000-199,000 BTU 11,000-190,000 BTU 15,000-380,000 BTU
Power Input (Propane Gas) 17,000-140,000 BTU 11,000-199,000 BTU 25,000-199,000 BTU 25,000-225,000 BTU 18,000-190,000 BTU 11,000-190,000 BTU 15,000-380,000 BTU
Thermal Efficiency Max. 83% Natural Gas,
Max. 84% LPG
Max. 85% Natural Gas,
Max. 86% LPG
Max. 85% Natural Gas,
Max. 86% LPG
Max. 83% Natural Gas,
Max. 85% LPG
Max. 92% Natural Gas,
Max. 94% LPG
Max. 85% Natural Gas,
Max. 87% LPG
Max. 85% Natural Gas,
Max. 87% LPG
First Hour Rating , DOE test Over 180 Gallons per Hour Over 258 Gallons per Hour Over 258 Gallons per Hour Over 300 Gallons per Hour Over 285 Gallons per Hour Over 246 Gallons per Hour  
Energy Factor NG: 0.83, LPG: 0.84 NG: 0.84, LPG: 0.86 NG: 0.82, LPG: 0.84 NG: 0.82, LPG: 0.84 NG: 0.84, LPG: 0.85 NG: 0.83, LPG: 0.83 NG: 0.83, LPG: 0.83
Gas Connections 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 1 " Male NPT
Water Connections 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 3/4 " Male NPT 1 " Male NPT
Water Pressure (min.-max.) 15 Psi - 150 Psi 15 Psi - 150 Psi 15 Psi - 150 Psi 15 Psi - 150 Psi 15 Psi - 150 Psi 15 Psi - 150 Psi 15 Psi - 150 Psi
Natural Gas Inlet Pressure (min.-max.) 5.0"wc -10.5" wc 5.0" wc - 10.5" wc 5.0" wc - 10.5" wc 5.0" wc - 10.5" wc 5.0" wc - 10.5" wc 5.0" wc - 10.5" wc 5.0" wc - 10.5" wc
Propane Gas Inlet Pressure (min.-max.) 11" wc -14" wc 8" wc -13.5" wc 11" wc - 14" wc 11" wc - 14" wc 11" wc - 14" wc 8 "wc -13.5" wc 8 " wc - 14 " wc
Minimum Flow
(min.-max.)
3/4 GPM - 5.8 GPM 0.5 GPM - 7 GPM 3/4 GPM - 10.2 GPM 3/4 GPM - 9.6 GPM 3/4 GPM - 10.2 GPM 0.5 GPM - 7 GPM 3/4 GPM - 14.5 GPM
Dimensions 20" x 14" x 6" 20.5" x 13.8" x 8.5" 23.6" x 18.5" x 8.9" 24" x 18" x 9" 29.5" x 18.9" x 11.8" 20.5" x 13.8" x 8.5" 25.3" x 24.8" x 11.8"
Net Weight 30 lb. 40 lb. 70 lb. 70 lb. 90 lb. 40 lb. 112 lb.
Electrical Supply 120 V , 60 Hz with Maximum 0.8A 120 V , 60 Hz with Maximum 0.8A 120 V , 60 Hz with Maximum 0.8A 120 V , 60 Hz with Maximum 0.8A 120 V , 60 Hz with Maximum 0.8A 120 V , 60 Hz with Maximum 0.8A 120 V , 60 Hz with Maximum 0.8A