Check Valves: Essential or Ineffective

Check Valves: Essential or Ineffective

  • Essential (Useful)

  • Ineffective (Don't Use)

  • Use but don't rely on them to prevent floods by themselves.


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reefrubble

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Are check valves worth using for plumbing systems such as the return line or should they be avoided completely?
 
Depending on the system they can be useful but the system must be designed with a check valve failure in mind. There also should be a PM on the valve.
 

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