Pressure Switch Removal / Replacement

Important: Use only factory authorized replacement parts. If you lack the necessary skills to properly perform the installation, you should not proceed, but get help from a qualified service technician.

Tools required: Phillips Head Screwdriver.

Removing the Pressure Switch:

1.Set the gas control valve/thermostat to its lowest setting by pressing the “COOLER” and “HOTTER” buttons together at the same time holding for 1 second. Then press the “COOLER” button to the lowest setting (Figure 36).

2.Turn gas control switch to the “OFF” position (located right side of the gas control valve/ thermostat) and turn off the gas supply to the unit (Figure 37).

3.Disconnect the electric connection by unplugging the transformer from the wall outlet (Figure 37).

4.Remove the manifold cover/ outer door from the unit by depressing on the lower portion and pulling outward.

5.Remove the air pressure tubing from the air pressure switch by pulling downward on the tubing at the connection to the air pressure switch (Figure 38).

6.Remove the two (2) electrical flag terminals from the switch by pulling outward and off of the switch (Figure 39).

7.Using a phillips head screwdriver, remove the 2 screws securing the pressure switch to the water heater’s side (keep these screws in a safe place for reinstallation later) (Figure 39).

Installing the Pressure Switch:

8.Secure the new pressure switch to the water heater’s side by reusing the 2 screws removed in step 7 (Figure 39).

9.Reattach the two (2) electrical flag terminals by pushing the flag terminals onto the switch (Figure 39).

10.Reattach the air pressure tubing to the air pressure switch by pushing the tubing onto the connector until the end of the tubing pushes to the shoulder of the connector (Figure 38).

11.Turn on the electrical and the gas supplies to the water heater. Plug in the electric connection from the transformer to the electric outlet (Figure 37).

12.Restart the water heater by following the directions on the “Lighting and Operating Instructions” label located on the front of the water heater.

13.Upon verifying proper operation of the water heater, replace the manifold cover/outer door.

Figure 36.

HOTTER COOLER