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Intake Pressure Switch Replacement Procedure
Step 1.
Position main power switch to "OFF".
Step 2.
Disconnect (Unplug) water heater
from 120 Volt power source.
Step 3.
Un-latch & remove surround cover from top of water heater.
Step 4.
Locate intake pressure switch on control panel inside surround area (see photos below).
Step 5.
Disconnect red wire leads from pressure switch
(see photo at right).
Step 6.
Disconnect silicone tubing from pressure switch (see photos above).
Step 7.
Remove the two screws (Phillips screw driver) holding the intake pressure switch in
place and remove pressure switch from control panel (see photos above).
Step 8.
Install new pressure switch and secure in place with screws from step 7.
Step 9.
Reconnect silicone tubing (from step 6) to pressure
Step 10.
Reconnect red wires (from step 5) to pressure switch. Note: wires are interchangeable
with either switch terminal.
Step 11.
Restore 120 volt power supply to heater & verify proper heater operation following the
instructions on the lighting instruction label or the lighting instructions located in the
installation & operation manual.
Step 12.
Replace surround cover on top of heater.
70
Used on EF water heaters prior to "CF" serial number.
Intake pressure switch
Step 5
Disconnect red wires
WARNING
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
located on side of
control panel
switch.
Step 6
Disconnect tubing from
pressure switch
Step 7
Remove 2
mounting screws
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