Bradford-White Corp UDH175S*FRN, UDH75T50FR*N, UDH165T*FRN, UDH1504T*FRN Main Burner Orifice

Models: UDS150S*FRN UDH75T50FR*N UDH175S*FRN UDH1504T*FRN UDH50T45FR*N UDS140S*FRN UDH65T45FR*N UDH165T*FRN Ultra Low NOx Direct Vent Water Heater

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The Bradford White

SERVICE PROCEDURE VI

Burner Operation Inspection, Adjustment

Cleaning and Replacement

Step 4. Disconnect (unscrew) feedline from the main burner door.

Feedline

Step 5. Remove main burner orifice from feed line (3/8" wrench). Inspect and clean if necessary

Main Burner Orifice

Step 6. Remove pilot assembly, refer to SERVICE PROCEDURE III for cleaning and inspection.

Step 7. Reassemble burner.

Step 8. Reinstall burner and inner door per SERVICE PROCEDURE I, steps 9 through 19.

Step 9. To resume operation, follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual.

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Bradford-White Corp UDH175S*FRN, UDH75T50FR*N, UDH165T*FRN, UDH1504T*FRN, UDH65T45FR*N, UDH50T45FR*N Main Burner Orifice