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How a Hayward Sand Multiport Valve Differs from a DE Multiport Valve

WRITTEN BY: Inyo Pools

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At first glance a Hayward DE Multiport Valve (MPV) looks the same as a Hayward Sand MPV and the user might assume they are interchangeable. In general , that is not true. A Hayward DE MPV functions differently from a Hayward Sand MPV. This guide shows you have these valve differ in operation. Note: Valve operations differ by manufacturer. Pentair MPVs, for example, are interchangeable between DE and Sand Filters

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Step 1

DE MPV WATER FLOW - This is a Hayward SP-740DE Vari-Flow Filter Control Multiport Valve. It's operation is typical of most MPVs that are mounted on the side of a DE filter tank. During normal filter operation, water will flow into the Filter Tank through the bottom Filter port, as shown, and out of the Filter Tank through the top Filter port.

Step 2

SAND MPV WATER FLOW - This is a Hayward P0715X62 Vari-Flow Filter Control Multiport Valve. It's operation is typical of most MPVs that are mounted on the side of a SAND filter tank. During normal filter operation,water flow is opposite that of a DE MPV and Filter. Water will flow into the Filter Tank through the top Filter port as shown, and out of the Filter Tank through the bottom Filter port.

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Matt Greene Posted: 8/2/2021

I purchased a replacement DE Side Mount and the one I received has larger ports than the one i'm replacing. My old unit had 1.5" PVC and connectors, and this one appears to be 2". I've had a hard time finding the exact model I had (I believe p2610x15). Is it ok for me to adapt my plumbing to fit this new unit, or will that create an issue somewhere else. Thank you, Matt
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InyoPools Product Specialist Matt S. Posted: 8/3/2021

The partial model number provided (S)P2610X15 is the Hayward Super Pump 1.5 HP model number, not a valve. if you are looking for the number for a Hayward valve, it would be found on the main valve sticker and usually begins with an SP7. But it should be fine to fit the larger 2" valve to your 1.5" system. There would be an issue if you were putting a 1.5" valve on a 2" system because it would create a bottleneck.
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