Powrmatic Heater LX60

Ensure thermostats are set correctly before fitment

Remove the screws securing the thermostat phial mounting plate to the inner bulkhead and withdraw assembly

Remove the electrical connections from the limit thermostat

Remove the securing nut and remove thermostat from the front panel

Fit replacement thermostat in reverse order

Unplug all the electrical connections

Remove the two screws that secure the control box

Fit replacement in reverse order

Verify the following connections are secure

Is the control box functioning correctly after replacement?

Ensure that the gas service valve is turned OFF

Unscrew the union nut situated immediately downstream of the gas service valve

Disconnect the spark and rectification leads from the control box

Remove the electrical plug connections from the top of the gas control valve assembly

Remove the burner heat shield screws

Release the inlet connection flange from the gas valve

Remove the four screws securing the flue outlet socket

Disconnect the fan electrical connections from the main terminal strip

Remove the screws securing the fan mounting box to the exhaust header plate

Is it necessary to transfer the fan mounting box to the replacement fan?

Fit replacement exhaust fan using new gaskets and silicon sealant as necessary

Disconnect the electrode leads from the control box

Remove the screw securing the electrode assembly to the burner assembly side plate

Withdraw the electrode assembly

Fit replacement electrode assembly

Check the rectification electrode position

Is the rectification electrode 10 - 12mm forward of the burner?