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Bradford-White Corp U130T*FRN warranty The Bradford White, Save this manual for future reference

Models: U130T*FRN Eco Defender

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The Bradford White

The Bradford White

R

(To be performed ONLY by qualified service providers)

R

U130TFRNU150LFRN

U130S*FRNU1504S*FRN

U140T*FRNU430T*FRN

U1403TFRNU440TFRN

U1403S*FRNU4403S*FRN

U1404T*FRNU4503*FRN

U1503FRNU1XR403SFRN

(*) Denotes Warranty Years.

Manual 47132A

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Bradford-White Corp U130T*FRN warranty The Bradford White, Save this manual for future reference, Manual 47132A

Contents

U1503*FRNU1XR403S*FRN Denotes Warranty Years To be performed ONLY by qualified service providersThe Bradford White Save this manual for future referenceUltra Low NOx Gas Water Heaters The Bradford WhiteHow the Safety System Works INTRODUCTIONHow to Use This Manual LED Status Service ProcedureProbable Cause Control StatusLED Status Service ProcedureProbable Cause Material left on combustion chamber around opening Inner Door Removal ProcedureInstallation of Inner Door With Gasket Inner Door Gasket Replacement Procedureplace. DO NOT OVER TIGHTEN SCREWS Step 15. Replace outer jacket burner access door OPEN CIRCUIT THERMOPILE TESTING CLOSED CIRCUIT THERMOPILE TESTING Honeywell ControlLeft Side of Wire Harness Gas Control Knob Shown In “OFF” Position THERMOPILE REPLACEMENTThermopile Position a Remove 7/16 nut from bottom of pilot assembly PILOT/ELECTRODE ASSEMBLY INSPECTION CLEANING AND REPLACEMENTa Primary air openings for blockage. Must be free Igniter Lead IGNITER, ELECTRODE TESTING AND REPLACEMENTThermal well testing Thermal Well TestingObserve heater operation. If control see pageTake necessary precaution to prevent personal injury Determine Water Temperature Inside TankSensor Resistance at Various Temperatures Gas Control Removal From Thermal Well Gas Control & Thermal Well Removal From Water HeaterGas Control Gas Control Assembly to Thermal Well Sensor Resistance at Various Temperatures CHAMBER SENSOR TESTINGStep 1. Turn the gas control knob to the “OFF” position necessary precaution to prevent personal injury BURNER CLEANING MAIN BURNER Inspection Cleaning and ReplacementDANGER BURNER CLEANING Cont PROBABLE CAUSE FOR RESETTABLE THERMAL SWITCH ACTIVATION RESETTABLE THERMAL SWITCH CONTINUITY TESTINGPROBABLE CAUSE CORRECTIVE ACTIONDO NOT OVER TIGHTEN SCREWS RESETTABLE THERMAL SWITCH REPLACEMENTScreenLok Flame Arrestor Cleaning DIP TUBE INSPECTION AND REPLACEMENT this procedure. Take necessary precaution to prevent personal injury ANODE INSPECTION AND REPLACEMENT14 RN Burner and Door 15 Flexible Gas Feed Line 16 Pilot Assembly 11 Outer Door 12 Draft Diverter 13 Complete Burner Assembly17 Screw #8-18 x ½ Hex Washer Head 18 Resettable Thermal Switch 26 Wire Tie 27 ASSE Approved Mixing Valve Optional 28 ThermopilePage Email parts@bradfordwhite.com techserv@bradfordwhite.com