Natural Gas Input Min. 25,000 Btu  Max. 199,000 Btu 
LPG Input Min. 25,000 Btu  Max. 199,000 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. 11"W.C.  Max. 14"W.C. 
Weight 70 lbs   
Dimensions 23.6" x 18.5" x 8.9"   
Ignition Electronic Ignition   
Electrical Supply AC 120V (60 Hz)   
Water Pressure Min. 15 psi  Max. 150 psi 
Natural Manifold Pressure 1.8" W.C.   
LP Manifold Pressure 2.3" W.C.   
TM-MC01

Multi Unit Controller (Multi Unit System)

The TM-MC01 Multi system controller is capable of handling up to 20 units at one time.  It also works as a diagnostic tool that provides error codes.
TK-TV13
Wall Ventilation Terminator for Direct Vent
The TK-TV13 Wall vent terminator is used where a tankless hot water unit will be vented through a wall.
TK-TV03
Vent Damper
TK-BF01
Exhaust Backflow Prevention Kit
The TK-BF01 prevents cold air from entering the vent and causing heat exchanger to freeze.