Takagi T-K3 User Manual

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INTRODUCTION
1. A hot water tap is turned on.
2. Water enters the heater.
3. The water flow sensor detects the water flow.
4. The computer automatically ignites the burner.
5. Water circulates through the heat exchanger and then gets hot.
6. The computer will modulate the gas supply valve and water flow to produce the right
amount of hot water at the correct temperature.
7. When the tap is turned off, the unit shuts down.
*This diagram illustrates
Takagi’s tankless water
heater design concepts
only and is not accurate to
the T-K3/T-K3-Pro’s
physical description.
• This manual provides information necessary for the installation, operation, and
maintenance of the Flash T-K3
/
T-K3-Pro water heater.
• The model description is listed on the rating plate which is attached to the front cover of
the water heater.
• Please read all installation instructions completely before installing this product.
• If you have any problems or questions regarding this equipment, consult with Takagi or its
local re
p
resentative.
• The T-K3/T-K3-Pro Water Heater is an on-demand, tankless water heater designed to
efficientl
y
su
pp
l
y
endless hot water for
y
our needs.
• The principle behind the T-K3/T-K3-Pro Water Heater is simple:

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