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Takagi T-K1S Technical Specifications Return to T-K1S Water Heater Main Page

Technical Specs of the T-K1S Power Input Natural Gas — 15,000-190,000 BTU Propane Gas — 17,000-190,000 BTU Water Pressure Minimum — 15 PSI Maximum — 150 PSI Thermal Efficiency Natural Gas — 85% Propane Gas — 87% Gas Connection 3/4"Male NPT Water Connection 3/4"Male NPT Natural Gas Pressure Inlet Minimum — 5.5" WC Maximum — 10.5" WC LP Gas Pressure Minimum — 9.5" WC Maximum — 14" WC Electrical Supply AC 120 Volts Weight 45 lbs. Dimensions (H x W x D) 25 inches by 16.5 inches by 8.3 inches Minimum Flow to Activate .75 GPM Flow Rates (50 degree Input Water Assumed) 90°F rise / 3.5 gallons per minute 80°F rise / 3.9 gallons per minute 70°F rise / 4.5 gallons per minute 60°F rise / 5.3 gallons per minute 55°F rise / 5.7 gallons per minute 50°F rise / 6.3 gallons per minute Manifold Pressure Natural 2.7"WC Propane 3.5"WC Exhaust Vent Size 4" - Sealed Stainless Steel Piping Ignition Electronic Ignition

Required clearances for OUTDOOR INSTALLATION Takagi T-K1S OUTDOOR INSTALLATION TOP 36" FRONT 24" (maintenance space) BACK 1" PIPING SIDE (bottom) 12" SIDES 6" Required clearances for INDOOR INSTALLATION Takagi T-K1S INDOOR INSTALLATION TOP 12" FRONT min. 24" (maintenance space) BACK 1" PIPING SIDE (bottom) min. 6" SIDES 2" TK-1S 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-K1S The T-K1S is factory preset at 122°. The computer will electronically control this temperature. There are 4 preset temperatures that you can select from by adjusting the dipswitch settings on the computer board. The four internal dipswitch setting are; 113°, 122°, 140° or 182°. If you want to use any other temperatures than this you can purchase the optional Temperature Remote Controller (TK-RE02) that will allow the T-K1S to have output temperatures from 99° to 182°. 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-K1S installation manual in pdf format. Also see all water heater manuals from this link. Return to T-K1S Water Heater Main Page

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