Bradford White UPDX2-75T6FRN - Manual (Page 30)

UPDX SERVICE PROCEDURE VII
Brass Well (WV4460) to Polymer Well
(WV4462) Gas Control Replacement
UPDX Series
Step 9. Connect new flammable vapor sensor harness leads
into the flammable vapor sensor.
Step 10. Reattach main burner feedline and pilot tube to gas
control.
Step 11. Connect spark igniter wire, flammable vapor sensor
wire harness, ground wire (green) and blower
harness to gas control.
Step 12. Replace outer jacket burner access door.
Step 13. Reconnect gas supply the gas control and check for
leaks with a soapy water solution.
Step 14. Resume water supply to the water heater. Be sure the
tank is full of water before resuming operation to the
water heater.
Step 15. To resume operation, slide the gas control power
switch to the “ON” position and ensure the power
cord is plugged into an appropriate outlet.
Step 16. Check for gas leaks at the connection between the
main burner feedline and gas control while the main
burner is operating. Use a soapy water solution to
check for the leaks.
Brass Well (WV4460) to Polymer Well (WV4462) Gas
Control Replacement (Continued)
Pilot Tube
Main Burner
Feedline
Flammable Vapor
Sensor Harness
Leads
Ground Wire
Flammable Vapor
Sensor Harness
Blower Harness
Spark Igniter Wire
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