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General| Brand | Rheem |
|---|---|
| Model Number | 874W27NF |
| Type | Tank |
| Capacity | 40 gallons |
| Fuel Type | Natural Gas |
| Energy Factor | 0.67 |
| Energy Source | Natural Gas |
| Voltage | 120V |
| Warranty | 6 years |
Indicates scale build-up inside the heat exchanger. Recommends draining and flushing.
Indicates low water flow rate for burner ignition. Check strainers.
Indicates fan motor ventilation issue, possibly blocked heat exchanger fins.
Steps to remove and replace the front cover of the water heater.
Steps to remove and replace the main control circuit board.
Steps to remove and replace the power supply circuit board.
Steps to remove and replace the gas manifold assembly.
Steps to remove and replace the flame sensor.
Steps to remove and replace the ignition electrode.
Steps to remove and replace the water bypass control assembly.
Steps to remove and replace the water volume control assembly.
Steps to remove and replace the combustion fan motor.
Steps to remove and replace the cold water inlet thermistor.
Steps to remove and replace the hot water outlet thermistor.
Steps to remove and replace the heat exchanger thermistor.
Steps to remove the heat exchanger assembly.
Steps to replace the heat exchanger assembly.
Steps to remove and replace the ignition pack.
Steps to remove and replace the transformer.
Steps to remove the hot water storage tank assembly.
Steps to remove and replace the transfer valve.
Steps to remove and replace the hot outlet tee.
Steps to remove and replace the temperature and pressure relief valve.
Steps to remove and replace the heating element.
Steps to remove and replace the thermostat.
Steps to remove and replace the hot water storage tank.
