Takagi T-K3 User Manual

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Drain Plug
with Filter
Water Valve
Drain Plug
Gas Valve
MAINTENANCE AND SERVICE
WARNING: Turn off the electrical power supply and close the manual gas
control valve and the manual water control valve before servicing.
• Clean the cold-water inlet filter. (Refer to diagram below)
• Be sure that all openings for combustion and ventilation air are not blocked.
• Check that the exhaust vent pipe is not blocked.
• Check the gas pressure.
• Keep the area around the water heater clear. Remove any combustible materials, gasoline or
any flammable vapors and liquids.
TAKAGI recommends having the unit checked once a year or as necessary by a licensed
technician. If repairs are needed, any repairs should be done by a licensed technician.
UNIT DRAINING and FILTER CLEANING
1. Close the manual gas shut off valve.
2. Turn off power to the unit, and then turn on again.
3. Wait 30 seconds, and then turn off power to the
unit, yet again.
4. Close the water shut off valve.
5. Open all hot water taps in the house. When the
residual water flow has ceased, close all hot
water taps.
6. Have a bucket or pan to catch the water from the
unit’s drain plugs. Unscrew
the drain plugs to
drain all the water out of the unit.
7. Wait a few minutes to ensure all water has
completely drained from unit.
8. Clean the filter: Check the water filter located
within the cold inlet. With a tiny brush, clean the
water filter of any debris which may have
accumulated and reinsert the filter back into the
cold water inlet.
9. Securely screw the drain plugs back into place.
Hand- tighten only.

Takagi T-K3 Specifications

General

Type	Tankless
Installation Type	Indoor
Maximum BTU Input	199, 000 BTU/h
Gas Connection Size	3/4"
Vent Size	3"
Hot Water Flow Rate (at 35°C rise)	6.6 GPM
Maximum Input	199, 000 BTU/h