Service Manual

PV SERVICE PROCEDURE VI

Gas Control Testing and Replacement

PV Series

ECO (Energy Cut Out)

The Resideo gas control is designed with an ECO device that will reset.

To reset the gas control after an error code (4), turn the gas control knob to the “LOW”

position and wait a minimum of (5) minutes before relighting following the instructions

located on the lighting instruction label or the lighting instructions located in the

installation and operation manual.

Gas Control Disassembly/Reassembly

Step 1. Set the gas control to the “OFF” position.

Step 2. Turn off gas supply to water heater.

Step 3. Disconnect gas supply line from gas control.

Step 4. Disconnect igniter/flame sensor wire.

Step 5. Remove outer jacket door.

Step 6. Remove gas control cover

screw.

Step 7. Depress both tabs on the top of the

gas control cover and pull to

remove.