Natural Gas Input Min 11,000 Btu  Max 190,000 Btu 
LPG Input Min 11,000 Btu  Max 190,000 Btu 
Gas Connection 3/4" NPT   
Water Connection 3/4" NPT   
Natural Gas Pressure Inlet Min. 5.0" W.C.  Max. 10.5" W.C. 
LP Gas Pressure Inlet Min. 8.0" W.C.  Max. 13.5" W.C. 
Weight 40 lbs   
Dimensions 20.5" X 13.8" X 8.5"   
Ignition Electronic Ignition   
Electrical Supply AC 120V (60 Hz)   
Water Pressure 15 PSI  Max 150 PSI 
Natural Manifold Pressure 2.8" W.C.   
LP Manifold Pressure 3.2" W.C.   
TK-TV04
Outdoor Ventilator Cap
The TK-TV04 vent cap kit is installed on the top of the unit to allow outside installation of the tankless unit.
TK-RE02
Temperature Remote Controller

The TK-RE02 Temperature Remote Controller allows the output temperature to be adjusted beyond the factory settings, and works as a diagnostic tool for error codes.

TK-RB01
Recess Box
The TK-RB01 Recess box completely houses the tankless unit and allows the installation to be entirely recessed into a wall.  The recess box measures just over 14 inches wide to easily fit in-between studs.
TK-RB01 Spec. Sheet
TK-PC01
Pipe Cover
The TK-PC01 Pipe cover is designed to be attached directly to the bottom side of the unit to provide a cover for the pipe connection entry.
TK-KPWH4
Sidewall Vent Terminator (Hood) and Wall Thimble
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-01R-AB
Lead Free 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. (Made for use with Recess Box) (1953 compliant)
TK-IV-01R
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. (Made for use with Recess Box)
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.