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10/23/2012, 09:45 AM
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#1 |
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Registered Member
Join Date: Sep 2012
Location: PA
Posts: 975
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Spa-Flex plumbing
While I'm fine with rigid PVC plumbing, I've got a few, possibly dumb, questions about Spa-Flex. I have a 1" slip bulkhead for the drain on my 90g tank, and have Class 200 rigid PVC glued into the bulkhead. After that, I have a 45° elbow and another short section of C200 rigid PVC glued into that. My question is, does the Spa-Flex get glued inside a PVC coupler, or can I glue the Spa-Flex directly to the outside of the 1" rigid PVC? See attachment below.
This is driving me nuts, so any help would be greatly appreciated. 
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10/23/2012, 09:58 AM
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#2 |
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Registered Member
Join Date: Dec 2006
Location: Minnesota
Posts: 430
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Spa Flex is flexible pipe not hose. It requires the same type fittings as the same size rigid pipe.
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10/23/2012, 10:49 AM
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#3 |
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Registered Member
 Join Date: Apr 2011
Location: Pittsburgh
Posts: 2,174
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You will need a coupling on each end. I don't know if you've purchased your spa flex yet but it is not that flexible. You can do long sweeps with it but don't expect to be able to bend it any way you want to.
__________________
Jer Current Tank Info: 40b basement sump, 40b refugium, 30g frag |
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10/23/2012, 11:46 AM
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#4 |
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Registered Member
Join Date: Sep 2012
Location: PA
Posts: 975
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Thanks for the replies. Yeah, I didn't realize that it would be treated exactly as PVC, requiring a coupling. I already have a length of 1" Spa-Flex, and it sounds like I should be able to glue them directly into the 45° elbows already in place. I don't need much flex with this, as the 45s aren't too far off from one another.
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10/23/2012, 12:53 PM
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#5 |
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Registered Member
Join Date: Mar 2012
Posts: 324
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I've heard also that you shouldn't use standard PVC cement. From what I understand the flex PVC is more prone to shrinkage/expansion.
My local spa guys recommended Christy's Red Hot Blue Glue |
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10/23/2012, 01:06 PM
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#6 |
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Registered Member
Join Date: Sep 2012
Location: PA
Posts: 975
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I have Oatey All Purpose PVC cement, because it can be used on basically any type of PVC as well as ABS plastic (for the bulkheads). From what I've found searching the forums, there are many people who have used this without issues in their Spa-Flex, too. I think I'm going to give it a shot and see how it goes.
Last edited by NTP66; 10/23/2012 at 01:07 PM. Reason: Spelling correction... |
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10/23/2012, 03:50 PM
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#7 |
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Member of the Registry
Join Date: May 2004
Location: Northeast Ohio
Posts: 1,226
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Yeah the all purpose cement will be fine. We keep our tanks at pretty constant temps so there will be little if any expansion or contraction. In a spa that the temp swings from ambient to 104 degrees it might be an issue but not for our application.
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NORK President Current Tank Info: All gone |
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10/23/2012, 10:08 PM
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#8 |
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Registered Member
Join Date: Oct 2004
Location: Mckinney, Tx
Posts: 1,130
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I cut my spa flex to size then stick in the over at the lowest temp for a couple minutes. Take it out and it will bend any way you want it to. Get it glued into place while still warm then allow to cool...You will be good to go
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10/24/2012, 12:15 PM
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#9 | |
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Registered Member
Join Date: Dec 2006
Location: Minnesota
Posts: 430
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Quote:
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10/25/2012, 06:01 PM
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#10 |
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Registered Member
Join Date: Jul 2007
Location: El Monte ca
Posts: 262
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flex pvc
use christy's red hot glue works the best I have bin in the pond biz for 20+years best glue you can get also you can use it like a hose you need barb fittings and will need to heat it up
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