Takagi T-K4-IN-LP (Indoor) Liquid Propane Tankless Water Heater

• LPG Input:  Min. 11,000 Btu, Max. 190,000 Btu
• Gas Connection: 3/4" NPT    
• Water Connection: 3/4" NPT    
• LP Gas Pressure Inlet: Min. 8.0" W.C., Max. 14.0" W.C. 
• Weight:  38 lbs    
• Dimensions: 20.5" x 13.8" x 8.5"    
• Ignition: Electronic Ignition    
• Electrical Supply: AC 120V (60 Hz)    
• Water Pressure: Min. 15 psi    Max. 150 psi 
• LP Manifold Pressure: 3.7-4.0" W.C.

Standard Residential Usage:
Mid-sized home with 2 showers and a sink or a washer will likely be operating simultaneously