Whirlpool E1F20US015V 120V Use and Care Guide download pdf (Page 13)

Residen al Electric Water Heater Use and Care Guide • 13

INSTALLATION

NOTICE: Most water heater models

contain energy saving heat traps in the

inlet and outlet connec ons to avoid

the circula on of hot water within the

pipes. Do not remove the heat traps.

3

Connect the hot water supply

using 3/4 inch NPT to the

ﬁ  ng marked “H” (HOT).

Follow the same connec on guidelines

as for the cold water supply.

4

Install insula on (or heat

tape) on the water pipes

especially if the indoor

installa on area is subject to freezing

temperatures. Insula ng the hot water

pipes can increase energy eﬃ ciency.

5

Double check to make sure

the hot and cold water pipes

are connected to the correct

hot and cold water ﬁ  ngs on the

water heater.

6

If needed, install (or adjust)

the home’s Pressure Reducing

Valve to 50-60 psi and install a

Thermal Expansion Tank.

Verify connec ons and

completely ﬁ ll tank

To remove air from the tank and allow

the tank to ﬁ ll completely with water,

follow these steps:

1

Remove the aerator at the

nearest hot water faucet. This

allows any debris in the tank

or plumbing system to be washed out.

2

Turn the cold water supply

back on.

3

Open a hot water faucet and

allow the water to run un l it

ﬂ ows with a full stream.

4

Let the water run full stream

for three full minutes.

5

Close the hot water faucet

and replace the aerator.

6

Check inlet and outlet

connec ons and water pipes

for leaks. Dry all pipes so that

any drips or leaks will be apparent.

Repair any leaks. Almost all leaks occur

at connec ons and are not a tank leak.

Heat traps installed in the inlet and outlet con-

nec ons help save energy.

Full-ﬂ ow ball valve

A Pressure Reducing Valve is required if your

home’s water pressure is above 80 psi.

The Thermal Expansion Tank should be pres-

surized with air, to match the home’s incoming

water pressure.

Step 8:

Fully open the cold water supply valve.

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