Natural Gas Input Min. 15,000 Btu  Max. 199,000 Btu 
LPG Input Min. 18,000 Btu  Max. 190,000 Btu 
Gas Connection 3/4" NPT   
Water Connection 3/4" NPT   
Condensate Water Drain 1/2" NPT   
Natural Gas Pressure Inlet Min. 5.0" WC  Max. 10.5"WC 
LP Gas Pressure Inlet Min. 11"WC  Max. 14"WC 
Weight 90 lbs   
Dimensions 29.5" x 18.9" x 11.8"   
Ignition Electronic Ignition   
Electrical Supply AC 120V (60 Hz)   
Water Pressure Min. 15 psi  Max. 150 psi 
Natural Manifold Pressure 2.6" W.C.   
LP Manifold Pressure 2.8" W.C.   
TM-RE30
Temperature Remote Control
The TM-RE30 Temperature Remote Controller allows the output temperature to be adjusted beyond the factory settings, and works as a diagnostic tool for error codes.
TK-TV08
Outdoor Ventilator Cap
The TK-TV08 Vent Cap is used when the tankless hot water unit is to be installed outdoors.  Installed over the flue collar, the cap prevents debris from entering the unit.
TK-TV07
Direct Vent Conversion Kit
The TK-TV07 Direct Vent Conversion Kit can be used to convert the tankless hot water unit from a conventional vent system to a direct vent (or sealed combustion) system.
TK-KPWH4
Cap Wall Thimble With Hood
The TK-KPWH4 T-Vent wall thimble with hood termination is used when venting out through the wall and are compatible with the T-Vent pipe system.
TK-IV-01-AB
Lead free Isolation Valves & Pressure Relief Valve
Lead free Isolation valves are used to isolate a unit for service. The Pressure Relief Valve is to help protect the unit and release if the pressure in the tankless water heater or hot water system exceeds 150 psi. (1953 Compliant)
TK-IV-01
Isolation Valves & Pressure Relief Valve
Isolation valves are used to isolate a unit for service. The Pressure Relief Valve is to help protect the unit and release if the pressure in the tankless water heater or hot water system exceeds 150 psi.
TK-BF01
Exhaust Backflow Prevention Kit
The TK-BF01 prevents cold air from entering the vent and causing heat exchanger to freeze.