Bradford White MI30T*F(BN Service Manual

3, The Bradford White DEFENDER Safety System ® The Bradford White DEFENDER Safety System ® was designed to resist the ignition of flammable vapors that can occur outside of the water heater. Use and installation are nearly identical to previous versions of atmospherically fired and vented w…

17, COMBINATION THERMOSTAT/GAS VALVE REPLACEMENT Step 1. Rotate knob of the gas valve to the “OFF” position. Step 2. Turn off gas supply to water heater. Step 3. Disconnect gas supply line from gas valve. Step 4. Turn off water supply and drain water heater completely. Step 5. Remove oute…

31, Step 1. With main burner in operation, remove right side inner door per SERVICE PROCEDURE I, steps 3b & 3c. Be sure to maintain wire connection to resettable thermal switch for this adjustment procedure. Step 2. To adjust for proper burning, loosen the air shutter nut, rotate the shutter to …

19, Bradford White MI30T*F(BN Step 9. Reinstallation of inner door assembly. (cont.) b) Clean any gasket residue or other debris from combustion chamber surface before installing the inner door/gasket assembly. c) Position thermocouple, pilot tube and Piezo wire against left side inner door flange gasket.DO NOT ROUTE THRO…

13, PILOT/ELECTRODE ASSEMBLY INSPECTION, CLEANING AND REPLACEMENT Step 1. Turn off gas supply to water heater. Rotate knob of gas control/gas valve to “OFF” position. Step 2. Remove outer jacket door. Step 3. Remove right side of inner door per SERVICE PROCEDURE RG-I, steps 3a through 3c. S…

39, 1 Draft Hood 2 Hot Water Outlet/Anode 3 Cold Water Inlet Tube 4 Flue Baffle 5 T&P Relief Valve 6A Gas Control (Honeywell) 6B Gas Valve (Robertshaw) 6C Gas Valve (White Rodgers) 7 Piezo Igniter (White Rodgers/Robertshaw) 8 Brass Drain Valve 9 Screw-#8-18 x 3/4 Hex Washer Head 10 Screw-…