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18. Connect the Control-R™ Wi-Fi module to the terminals for controls on the PC Board.
19. Place the module wires through the bottom opening of the water heater.
20. Attach each module wire to the two screws labeled "Terminals for Controls" and partially
unscrew each of the two screws.
21. Insert the spade terminals between the screw and the contact, then tighten the screws.
22. Reinstall the front cover onto the water heater.
23. Before connecting the water supply:
•
The piping (including soldering materials) and components connected to the tankless
water heater must be approved for use in potable water systems.
•
Purge the water line to remove all debris and air. Debris will damage the water heater.
•
The tankless water heater must not be connected to a system that was previously used
with a non-potable water heating appliance.
•
Ensure that the water filter on the water heater is clean and installed.
GTK03U Pump Kit Assembly Instructions
Terminals
for Control
11
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