Step 1: Shut off gas supply and electrical power, then confirm system is fully isolated and safe.
Step 2: Remove existing old valve, labeling all wiring and noting gas inlet/outlet orientation.
Step 3: Mount the new valve in correct flow direction and secure pipe connections without over-tightening.
Step 4: Connect control wiring to terminals per wiring schematic.
Step 5: Restore gas and power, then check all joints for leaks using approved leak-detection solution.
Step 6: Perform full ignition test and check proper staging and stable burner operation