Bradford White Water Heater RG1PV50S10X19

Blower Temperature Switch Replacement

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

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

Locate blower temperature switch

Disconnect red and yellow wire leads from switch

Snip the retaining lug from the blower housing to allow removal of temperature switch

Remove switch from blower housing

Install new switch and ensure it is properly seated in mounting area

Reconnect red and yellow wires to new switch

Gas Control Removal From Water Heater

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

Drain the heater to a point below the gas control level.

Turn off the gas supply to the water heater and disconnect gas piping from the gas control.

Disconnect wire harnesses from the gas control.

Remove the outer jacket burner access door.

Remove (2) hex drive screws from RIGHT side inner door.

Remove (2) hex drive screws from FLANGE SECTION of inner door.

Position gas control power switch to 'OFF' position

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

Remove pressure switch from blower housing by removing the two T10 screws or carefully remove it from the housing if it does not have screws

Disconnect tubing from pressure switch

Disconnect yellow wires from pressure switch

Reconnect yellow wires to new pressure switch

Reconnect tubing to new pressure switch

Carefully position pressure switch into blower housing

Inspect the pilot burner for proper operation and debris accumulation.

Check if the pilot flame is stable.

Identify causes for an unstable pilot flame

Ensure the main burner lights smoothly from the pilot.

Verify the main burner burns with a blue flame with minimal yellow tips.

Check the main burner for any debris accumulation.

Use special pin type electronic probes or small diameter wire pins inserted into connector

Insert one meter probe into center wire position of temperature sensor connector and the second probe into either of the outside wire positions

Alternate the probe on the outside position to the opposite outside wire position

Has the control gone into lockout due to excessive tank temperature (four flash, three second pause)?

Reset control by sliding gas control knob to 'OFF' position and wait a minimum of 5 minutes

Follow lighting instructions and return gas control knob to desired setpoint

Observe Green LED indication. Does error code 4 (four flash, three second pause) continue?

Confirm that the water temperature inside the tank has cooled