COMBAT® CTCU UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
SECTION 15: REMOVAL AND REPLACEMENT PARTS
See warnings and notes on Page 20, Section 12 before removing or replacing parts.
Burner Components
All serviceable burner parts are accessed by the door on the side of the heater. Remove the four sheetmetal screws.
15.1 Gas Valve
Remove the gas supply pipe at the heater inlet.
Disconnect |
|
wire harness |
|
Unplug |
|
control |
|
from |
|
valve. |
|
| Remove |
| fixing |
| screw. |
Ignition |
|
Control |
|
Description | Part Number |
Gas Valve VK4105A | 90033403 |
Ignition Control | 90434010 |
Replace in reverse order. Verify that the gas flow direction of the valve is correct. Use a minimum amount of gas seal on the thread joint. Check that all the joints are leak free. Reset gas valve. See Page 17, Section 10.2.2.
IT IS IMPORTANT THAT ONLY THE CORRECT
GAS VALVE IS USED WHEN REPLACING THESE
CONTROLS.
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