Rheem Guardian PowerVent User Manual (English)

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Questions and Answers:

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jessica21Sep 6, 2025
What causes excessive relief valve operation in a Rheem Guardian PowerVent Water Heater?
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  Jennifer KrauseSep 7, 2025
  If you're experiencing excessive relief valve operation with your Rheem Water Heater, it could be due to excessive water pressure or temperature. Install a proper pressure reducing valve on the cold side and check for an open or closed system, installing an expansion tank if necessary. Also, check the thermostat, lowering the setting or replacing the gas valve if needed.
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Ethan HuynhSep 8, 2025
Why is the burner flame too high on my Rheem Water Heater?
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  emmabondSep 8, 2025
  If the burner flame on your Rheem Water Heater is too high, it could be due to improper gas pressure or the wrong orifice being installed. Check and adjust the gas pressure. If the pressure is correct, install the correct orifice.
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William VargasSep 10, 2025
Why is the water from my Rheem Guardian PowerVent Water Heater rusty or black?
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  nashmonicaSep 10, 2025
  If your Rheem Water Heater is producing rusty or black water, it could be due to a dissolved anode rod, excessive sediment build-up, or high manganese content in the water. Check the anode rod and replace it if necessary. Drain the tank and replace it if sediment build-up is excessive.
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Steven RobersonSep 12, 2025
Why is the flame yellow on my Rheem Guardian PowerVent Water Heater burner?
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  Scott FitzgeraldSep 12, 2025
  If the burner flame on your Rheem Water Heater is yellow, it could be due to scale on top of the burner, a dirty burner orifice or plate, a clogged flue way, improper gas pressure, or insufficient combustion or ventilation air. Clean the burner plate and inspect and clean the burner orifice and plate, as well as the flue way. Check and adjust the gas pressure, and improve the combustion air or ventilation air supply.