What sort of union to use here?

[atxdave]

Hi folks - I'm working on installing a new pump (the Pentair 011077 with the mystery sticker on the side, for those following along at home )

I'm replacing a Jandy Stealth, and have worked out the height of the pump. I do NOT plan to install as shown in the photo... I was just confirming alignment, and this shows how the original Jandy pump was installed. I have a little room to slide the new pump back, so would like to add 8-10" of pipe between the valve and the pump inlet as directed by Pentair.

My challenge is that there is no spare PVC to work with coming off that valve, so I'm hoping I can work with the union that is already there. I think that means I need a 2.5" male union piece (MPT? Jandy specific thread?) that I can use to adapt down to 2" PVC and continue on to the pump.

Does anyone know exactly what part I need here? Even better if it's something I can find locally! Or, any suggestions for a better approach?

Thanks!

 

[ajw22]

would like to add 8-10" of pipe between the valve and the pump inlet as directed by Pentair.

Many pumps have much less than the 8-10' and run fine. Don't sweat the length. It is a suggestion, not a requirement.

Cut the existing pipe flush with the diverter and use a Hub Saver to ream out the hub for a new pipe. Glue the pipe into the diverter and use the union that came with your pump.

PVC Repair - Further Reading

www.troublefreepool.com

 

[atxdave]

Many pumps have much less than the 8-10' and run fine. Don't sweat the length. It is a suggestion, not a requirement.

Cut the existing pipe flush with the diverter and use a Hub Saver to ream out the hub for a new pipe. Glue the pipe into the diverter and use the union that came with your pump.

PVC Repair - Further Reading

www.troublefreepool.com

Thanks Allen! I had no idea this was a thing... now to try and find one locally...

 

[ajw22]

Thanks Allen! I had no idea this was a thing... now to try and find one locally...

Home Depot - 2 in. Socket Saver Tool for Removeing Plastic Pipe from a Hub

 

[JamesW]

If you cut flush with the valve, the valve takes a 2", 2.5" or 3" coupling to the outside.

From the coupling, use 2.5" pipe into the pump union.

 

[JamesW]

The outside of the valve takes a 2", 2.5" or 3" coupling depending on the valve model number.

Measure the OD of the valve with a caliper and match it up to the pipe OD.

For example, if the OD is 2.875", then you use a 2.5" coupling.

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[JamesW]

You can also use a pipe extender that glues into the inside of PVC pipe.

Measure the OD of the valve with a caliper and match it up to the pipe OD.

For example, if the valve OD is 2.875", then you use a 2" pipe extender because the inside takes 2" pipe.

Extenders for Schedule 40 PVC Pipe
Check out this 2-1/2" Schedule 40 PVC Pipe Extender!

We now have these repair fittings in stock and ready to ship today.

This pipe extender is made to be used in cases when pipe has to be cut and you must extend that pipe because of the cut.

One end of this fitting goes into 2-1/2" nominal size schedule 40 PVC pipe.

The other end serves as an extension of 2-1/2" pipe.

We have many sizes in these extenders!

Take a look at our selection and place your order online today.

Size: 2-1/2" nominal size

Material: PVC

End Types: 2-1/2" Pipe Outside Diameter Spigot x 2-1/2" Pipe Inside Diameter Spigot

Max Temperature: 140 F

Note: This part is compatible with Schedule 40 PVC pipe only.

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Get this 2" Schedule 40 PVC Pipe Extender from PVCFittingsOnline.com today! We offer the absolute lowest prices on all of the schedule 40 and 80 parts you need.

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[atxdave]

Home Depot - 2 in. Socket Saver Tool for Removeing Plastic Pipe from a Hub

Thanks - I saw that too, but they can't get it here until mid-Jan. I did an overnight option on Amazon... fingers crossed.

 

[atxdave]

You can also use a pipe extender that glues into the inside of PVC pipe.

Measure the OD of the valve with a caliper and match it up to the pipe OD.

For example, if the valve OD is 2.875", then you use a 2" pipe extender because the inside takes 2" pipe.

Extenders for Schedule 40 PVC Pipe
Check out this 2-1/2" Schedule 40 PVC Pipe Extender!

We now have these repair fittings in stock and ready to ship today.

This pipe extender is made to be used in cases when pipe has to be cut and you must extend that pipe because of the cut.

One end of this fitting goes into 2-1/2" nominal size schedule 40 PVC pipe.

The other end serves as an extension of 2-1/2" pipe.

We have many sizes in these extenders!

Take a look at our selection and place your order online today.

Size: 2-1/2" nominal size

Material: PVC

End Types: 2-1/2" Pipe Outside Diameter Spigot x 2-1/2" Pipe Inside Diameter Spigot

Max Temperature: 140 F

Note: This part is compatible with Schedule 40 PVC pipe only.

2" Schedule 40 PVC Pipe Extender | Order Online Today

Get this 2" Schedule 40 PVC Pipe Extender from PVCFittingsOnline.com today! We offer the absolute lowest prices on all of the schedule 40 and 80 parts you need.

www.pvcfittingsonline.com

2-1/2" Schedule 40 PVC Pipe Extender | Buy Here Now

Buy all of the Schedule 40 PVC fittings you need at PVC Fittings Online! 2-1/2" Schedule 40 PVC Pipe Extenders - now in stock and ready to ship directly to you!

www.pvcfittingsonline.com

View attachment 622451

Thanks James. I'm hoping not to reduce the diameter any more than 2" PVC if I can avoid it, especially at this node in the piping (inlet to pump). But maybe that's me overthinking it..?

 

[JamesW]

What is the valve size?

 

[JamesW]

Thanks James. I'm hoping not to reduce the diameter any more than 2" PVC if I can avoid it, especially at this node in the piping (inlet to pump). But maybe that's me overthinking it..?

Unless you are going to run at full speed, it won't really matter.

If you will use full speed, it might make a small difference, but not enough to really worry about unless the suction plumbing is already undersized.

 

[atxdave]

Install complete (finally). The PVC socket saver ended up being just what I needed... by the time I was done, I had used it 5-6 times!

 

[ajw22]

Install complete (finally). The PVC socket saver ended up being just what I needed... by the time I was done, I had used it 5-6 times!

Glad the socket saver trick worked.

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