Bradford White Water Heater M4TW60T6FBN

Cast Iron Burner Air Shutter Adjustment

Take necessary precautions to prevent personal injury due to hot components

Remove outer jacket door and slide inner door from left to right to open

Loosen the air shutter nut and adjust the air shutter for proper burning

Tighten the air shutter nut after adjustment

Is the flame as blue as possible with a minimum of yellow tips?

Is the burner operating quietly without lifting off the burner ports?

Close inner door and observe burner operation

Does the burner operate as adjusted with the inner door closed?

Verify 120VAC and proper polarity at wall outlet.

With unit plugged in and control power switch in the “ON” position, verify LED status.

Using a volt meter set to volts AC, is there 120VAC across terminals shown in photo 29?

Is there 120VAC across terminals shown in photo 30?

Is there 120VAC across black & white wires as shown in photo 32?

Check for 120VAC between black & white wires.

Verify error code as listed on page 13.

Position gas control power switch to 'ON' position and adjust control to call for heat.

Remove the three screws from control access cover on blower assembly and remove cover.

Does blower energize within 2 minutes?

If blower does not energize within 2 minutes, does it run for 30 seconds and shut down?

Is there 115 VAC at wall outlet?

Repair or replace power cord if damaged.

Pilot Inspection, Testing and Replacement

Position gas control power switch to the “OFF” position and unplug heater from wall outlet.

Turn off gas supply to water heater.

Remove outer jacket door and slide inner door open from left to right.

Disconnect pilot tube nut (7/16 wrench) and feedline nut (¾ wrench) from gas control.

Disconnect igniter/flame sense wire from gas control.

Remove burner assembly from combustion chamber.

Remove pilot assembly from feedline (¼" nut driver).

Visually inspect igniter/flame sense wire for damage. Replace pilot if damage is found.

Position gas control power switch to 'OFF' position

Remove the three screws from control access cover on blower assembly and remove cover

Carefully remove pressure switch from blower housing

Disconnect tubing from pressure switch

Disconnect yellow wires from pressure switch

Reconnect wires to new pressure switch

Reconnect tubing to new pressure switch

Carefully position pressure switch into blower housing