Low Pressure After Turning On Your R5 Gas Meter? Here's How to Fix It (2023 Update)

I turned off the meter to install a new water heater. Turned it on,have low pressure, How do I reset the diaphragm?

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Brian Woodhull
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If you are experiencing low pressure after turning on your R5 gas meter, the issue may be with the diaphragm, which regulates the flow of gas in the meter. Here are a few steps you can take to try and reset the diaphragm: 

  1. Locate the adjustment screw: The adjustment screw is usually located on the top of the meter near the diaphragm. This screw controls the position of the diaphragm and is used to adjust the gas flow.
  2. Adjust the screw: Turn the adjustment screw counter-clockwise to open the diaphragm and increase the gas flow. Turn the screw clockwise to close the diaphragm and decrease the gas flow.
  3. Check the pressure gauge: After adjusting the screw, check the pressure gauge to see if the pressure has increased. If the pressure is still low, try adjusting the screw again.
  4. Check for leaks: Before turning on the gas, check for any leaks in the system. Leaks can cause low pressure and should be fixed before attempting to adjust the diaphragm.
  5. Call a professional: If you are not comfortable working with gas systems or if the above steps do not resolve the issue, it's always better to call a professional to diagnose and fix the problem. A professional can inspect the meter and the entire system, and can help you to get the proper pressure.

It's always important to be aware of the risks of working with gas systems. If you smell gas or suspect a leak, turn off the gas and evacuate the area immediately.

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