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Rough-In-Dimensions
Model Units A B C D E F G H J K
Inches 70.62 68.20 51.90 20.90 9.15 12.00 22.00 8.00 15.81 26.92
BTX-80
cm 179.37 173.23 131.83 53.09 23.24 30.48 55.88 20.32 40.16 68.38
Top/Side Inlet and Outlet: 3/4" NPT
Gas Inlet: 1/2" NPT
Capacity and Gas and Electrical Characteristics
Approximate Capacity Manifold Pressure Electrical Characteristics
Model
U.S. Gals. Liters Gas Type “WC kPA Volts/Hz Amperes
BTX-80 50 189 Nat. 4.00 0.99 120/60 <5
All models - Maximum Supply Pressure: 14 inches W.C. (3.48kPa)
Minimum Supply Pressure Natural Gas: 5.0 inches W.C. (1.24kPa)
Minimum Pressure must be maintained under both load and no load (static and dynamic) conditions.
Recovery Capacities - U.S. Gallons/Hr. and Liters/Hr. at Temperature Rise Indicated
Input Recovery Capacities
F° 30 40 50 60 70 80 90 100 110 120 130 140
Model
Rating
(Btu/hr)
Rating
(kW)
Temp.
Rise
C° 17 22 28 33 39 44 50 56 61 67 72 78
GPH 275 206 165 138 118 104 92 83 75 69 64 59
BTX-80 76,000 22.25
LPH 1041 780 625 522 447 394 348 314 284 261 242 223
Recovery capacity based on 90% thermal efficiency.
ROUGH-IN-DIMENSIONS