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Toll Free: 1-800-543-6163, or 203-267-7890
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4- PLUMBING INSTALLATION
Please follow all plumbing instructions carefully. If further assistance is needed, a licensed and qualified
plumber in accordance with all applicable national, state, provincial, and local plumbing codes should be
hired.
Installation Instructions
STEP 1: Using the appropriate fittings, connect the HOT WATER outlet from your water tank to the INLET
thread located on the bottom side of the AutoBooster™ when facing the unit.
STEP 2: Connect the HOT WATER copper pipe line to OUTLET thread located on the top side of the unit.
STEP 3:
Close the tank drain valve.
Make sure at least one warm water faucet is open in the house.
Re-open the water supply valve on the cold water copper pipe.
You know the tank is full when water is running out of any open faucet in the house.
FAILURE TO FOLLOW THESE STEPS WILL CAUSE WATER TANK DAMAGE.
STEP 4: After tightening all fittings, open several hot water faucets and allow un-heated water to run
though the water heater for at least 2 to 3 minutes. This process purges all the air from the water lines and
MUST be performed prior to turning on the power at the unit.
FAILURE TO FOLLOW THIS STEP CAN CAUSE PERMANENT DAMAGE TO THE HEATING ELEMENTS.
If any maintenance is performed on the water heater or the home’s plumbing system that may introduce
air into the plumbing pipes, it is important to turn the power off to the water heater and purge the air out
of the lines before allowing the unit to power up.
STEP 5: Carefully inspect all connections, unions, and the pressure relief valve (if installed) for leaks.
STEP 6: TURN OFF ALL FAUCETS BEFORE PROCEEDING TO ELECTRICAL INSTALLATION.
IMPORTANT NOTES:
1. This unit is equipped with both computer-controlled and electro-mechanical auto resetting
thermostat switches for high-limited temperature protection. Since this product does not use a
storage tank, the use of a temperature pressure relief valve (T&P) is not required for most
installations. UL Standard 499 does NOT require that a pressure relief valve be used. However, a
T&P valve may be required to meet installation codes in your area. If one is required, install the
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