Tankless Water Heaters / Electric / Gas / Takagi TK3 / Gas Water Heater Specs

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Takagi T-K3 Technical Specifications Return to Takagi T-K3 Water Heater Main Page Technical Specs of the Takagi T-K3 Power Input Natural Gas — 11,000-199,000 BTU Propane Gas — 11,000-199,000 BTU Water Pressure Minimum — 15 PSI Maximum — 150 PSI Gas Connection 3/4"Male NPT Water Connection 3/4"Male NPT Natural Gas Pressure Inlet Minimum — 5" WC Maximum — 10.5" WC LP Gas Pressure Minimum —8" WC Maximum — 13.5" WC Electrical Supply 120 Volts / 0.77 Amps Weight 40 lbs. Dimensions (H x W x D) 20.5 inches by 13.8 inches by 8.5 inches Minimum Flow to Activate .5 GPM Flow Rates (50 degree Input Water Assumed) 90°F rise / 3.7 gallons per minute 80°F rise / 4.1 gallons per minute 70°F rise / 4.7 gallons per minute 60°F rise / 5.4 gallons per minute 55°F rise / 5.9 gallons per minute 50°F rise / 6.5 gallons per minute 40°F rise / 7.0 gallons per minute Manifold Pressure Natural 2.5"WC Propane 4.4"WC Exhaust Vent Size 4" - Sealed Stainless Steel Piping Intake Vent Size (optional) 3" - Sealed Stainless Steel Piping Ignition Electronic Ignition Required clearances for Outdoor Installations Takagi T-K3 OUTDOOR INSTALLATION TOP 36" FRONT 24" (maintenance space) BACK 1" PIPING SIDE (bottom) 12" SIDES 2" Required clearances for INDOOR INSTALLATION Takagi T-K3 INDOOR INSTALLATION TOP 12" FRONT min. 4" (maintenance space) BACK 1" PIPING SIDE (bottom) min. 12" SIDES 2" Takagi TK3 Combustion Air Supply Requirements Air Supply From Outside Building When combustion air is supplied from outside the building, an opening communicating directly with the outside should have a minimum free area of one square inch per 15,000 BTUH input of the total input rating of water heater in the enclosed area. Air Supply From Inside Building When combustion air is supplied from inside the building, an opening communicating with the rest of the dwelling should have a minimum free area of one square inch per 1000 BTUH input of the total input rating of water heater in the enclosed area. These openings should never be less than 100 sq. in. Output Temperature Ratings of the Takagi T-K3 The Takagi T-K3 is factory preset at 122°. You can change the output temperature with the internal dipswitches to 104°, 113°, 122°, 140° or 182°. If you want to use any other temperatures than this you can purchase the optional Temperature Remote Controller (TM-RE10) that will allow the TK3 to have output temperatures from 99° to 185°. Please Note: Hot Water Heater Temperatures over 125°F can cause severe burns instantly or death from scalding. Children, disabled and elderly are at the highest risk of being scalded. Feel water temperature before bathing or showering. For more information download a Takagi T-K3 installation manual in pdf format. Also see all water heater manuals from this link Return to Takagi T-K3 Water Heater Main Page