Step1: Turn off gas supply and disconnect power before servicing, ensure area ventilated.
Step2: Remove old valve, noting orientation carefully for reinstallation alignment.
Step3: Apply thread sealant to NPT inlet threads evenly.
Step4: Install valve hand-tight, then torque to specification using proper wrench.
Step5: Connect outlet to burner gas line securely and check fit.
Step6: Check alignment and secure all fittings, avoiding cross-threading.
Step7: Leak test with soapy water, then restore gas and inspect.