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When to Replace a Gas Valve in White-Rodgers Gas Furnaces

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Knowing when to replace a gas valve in White-Rodgers gas furnaces is crucial for safe operation. Replace the valve if the outlet pressure remains above the set point or fluctuates, if the valve will not open to allow gas flow, or if it has been subjected to water flooding. Always measure inlet and outlet pressures with a precise gauge, as visual inspections of the burner flame are inadequate. Check for leaks after servicing using a soap and water solution. Maintain safety and efficiency by using the appropriate model valves during replacement.

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When to Replace a Gas Valve in White-Rodgers Gas Furnaces

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  1. White-Rodgers Gas Furnace Valves

  2. When To Replace A Gas Valve? • The valve should be replaced if any of the following occur: • The outlet pressure remains above the set point or fluctuates • NOTE: The manifold regulation should stabilize after about 20 seconds and stay within +/- 10% of the set pressure setting • The regulation setting cannot be adjusted • The valve will not open to allow main gas flow • The gas valve has been subjected to water flooding • NOTE: When servicing a gas furnace it is important that the inlet and the outlet pressures be checked with an accurate pressure gauge • You cannot visually look at a main burner flame to determine if the pressures are within the manufacturers specifications • Always check the gas valve with a water and soap bubble solution after servicing to ensure there are no leaks

  3. Selection Criteria

  4. Application by Ignition Source

  5. Rated Valve Capacity • Range of Regulation: • Is the minimum and maximum BTU/Hr capacity of the valve to maintain regulation pressure settings. Pressure Drop: Pressure differential is the agency rated amount of gas (BTU’s) that can pass through the gas valve based on inlet and outlet pipe size.

  6. Application By Opening Characteristics Note: These are Typical Family Model Numbers. Verify Specific Type Numbers Before Replacing A Control.

  7. Universal Valves You Should Not Be Without 98% of Furnaces manufactured in the last 10 years can be repaired using the “J” valves listed above!

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