Differences in 2" PVC pipes and 3 way valves.

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Most of the PVC pipe you see in Home Depot or Lowes is dual rated. Just make sure it has the PSI listed on the pipe. It can be used for pressure pipe. You can find pressure fittings at both, they will be in a separate section than the DWV, just make sure the fitting do not say DWV.
 
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Most of the PVC pipe you see in Home Depot or Lowes is dual rated. Just make sure it has the PSI listed on the pipe. It can be used for pressure pipe. You can find pressure fittings at both, they will be in a separate section than the DWV, just make sure the fitting do not say DWV.

Pool PVC (polyvinyl chloride) should be marked "Schedule 40". Schedule 40 PVC is made for water under pressure. If the pipe has ASTM D 1785 on the pipe, it's suitable for pressure applications. A rating of ASTM D 2665 means non pressure applications and should not be used for pools.

A pipe can be dual rated ASTM D 1785 and ASTM D 2665, but it has to say ASTM D 1785 if it's going to be used for pressure.
 
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When ordering valves get the 2" by 2.5" size nof the smaller 1.5 by 2" the bigger ones allow more flow and you wont need couplings to glue then into the outside like the smaller ones. You can glue 2" to the inside much easier. Pentair are same valves and are usually cheaper btw
 
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