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Spears True Union Check Valve

Spears True Union Check Valve
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  • Spears True Union Check Valve

Quick Overview

Spears makes the highest quality True Union check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure or maintenance. These check valves feature true union fittings on each end for easy replacement and disassembly.

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  • Quick Overview

Spears makes the highest quality True Union check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure or maintenance. These check valves feature true union fittings on each end for easy replacement and disassembly.More

Spears True Union Check Valve

89% Recommend this to a friend (8 of 9)

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12" Spears True Union Swing Check Valve
SKU: 207898
Earn 23 Reward Points
$23.99
 
 
34” Spears True Union Swing Check Valve
SKU: 202434
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$23.99
 
 
1” Spears True Union Swing Check Valve
SKU: 202435
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$24.99
$23.99  
 
 
1 12” Spears True Union Swing Check Valve
SKU: 202436
Earn 29 Reward Points
$29.99
$28.99  
 
 
2” Spears True Union Swing Check Valve
SKU: 202437
Earn 39 Reward Points
$39.99
$37.99  
 

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Previously Asked Questions

  • by Andres on January 20, 2014, @7:56 AM

    To piggyback on Richard's question. I'm using the braided vinyl for my return with the CPR return. I need to get a check valve in there as well. So with this valve would I be able to use PVC cement to attach it in my vinyl line? Or would I be able to use more ratcheting clamps? Just need to know how I can get a check valve in there safely.

    Thanks,
    Andres

    Bulk Reef Supply Hi Andres,
    These check valves come ready for rigid pipe. In order to use flexible tubing you would need to first glue in a barb fitting, for example the street x barb fitting. From there you can put your braided tubing over the barb and secure with ratchet clamps.

    Do you find this question helpful?  Yes   No

  • by LEROY on August 29, 2014, @10:24 AM

    Why do you only offer slip fit on check valves? I'm looking at the Spears tru union 3/4". I don't want to have to glue barb fittings then if I want to hard pipe I'll have to buy a new valve,
    I know they come with fpt ,better yet offer both options like the cepex ball valve.

    Bulk Reef Supply Hi Leroy,

    I apologize for not having a threaded option for you. I have not seen the clear swing check valves with threaded unions but if our supplier has them I will suggest we carry them in the future.

    For now you can always add a pipe adapter to them to make them threaded.
    http://www.bulkreefsupply.com/schedule-80-spigot-x-male-thread-adapter.html
    http://www.bulkreefsupply.com/schedule-80-female-pipe-adapter-1-612b7f0d62f21fab8f0cbff2986fa81f.html

    I hope this helps!
    Have a great day :)

    Do you find this question helpful?  Yes   No

  • by Shannon on June 21, 2014, @12:17 PM

    Will this 1" fit on reg white 1" pvc ?

    Bulk Reef Supply Hey Shannon,
    It sure will!

    Do you find this question helpful?  Yes   No

  • by Sean on April 27, 2014, @4:57 PM

    Do you guys recommend placing these in the return lines routinely? How much will they decrease the flow back into the tank due to increased resistance in the return line? Thanks!

    Bulk Reef Supply Hi Sean,
    The best thing to do would be to set your system up so there it is not a problem if there is no check valves (so you have enough room in the sump to handle the water). Then if you want to, you can add check valves for convenience if you like (you will have less issues like skimmer overflows if the sump doesn't fill with a bunch of water every-time the power goes out). They will have a bit of an effect on your flow but for the most part its not something you would notice with the naked eye.

    Do you find this question helpful?  Yes   No

  • by Becky on June 22, 2014, @5:00 AM

    My return from sump to display tank is 3/4" clear tubing. Would this product be best to prevent back siphoning?

    Bulk Reef Supply Hi Becky,
    This product would work just fine for that purpose. Just keep in mind that the fittings on this valve are slip fittings (for PVC pipe) so you will want to glue in a pair of barb adapters like the ones linked below so that you can use it with your flexible tubing.

    http://www.bulkreefsupply.com/gray-male-pipe-adapter-spigot-x-barb.html

    Do you find this question helpful?  Yes   No

  • by RICHARD on October 2, 2013, @4:29 PM

    Does this check valve attach to pvc pipe or flexible tubing? If pvc are the connections threaded or smooth?

    Thank you.
    Rick

    Bulk Reef Supply Hi Richard,
    The check valve is a slip connection for pipe (which would be smooth).

    Do you find this question helpful?  Yes   No

Full Details

The golden rule of plumbing is that every job takes three trips to the store. While this can be frustrating locally it can be much much worse when shopping online. Being short a fitting or two can delay a plumbing project for days. Here are some quick tips to avoid this.

  • Plan your plumbing on paper
  • Don't skimp on unions. Unions allow for easy breakdown and maintenance as well as remove the need for precise elbow placement. Use them as often as possible.
  • When in doubt order extra. We happily accept returns for a full refund (less shipping) on all unused fittings within one month of purchase. A few extra bucks in return shipping is less frustrating then a project delay.

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Reviews

9 Items

  • Good and sturdy By Jeff on 3/24/2015

    Well built works great
  • get two for every one you need. By Charles on 3/23/2015

    These are high quality, well made check valves. However, any check valve will eventually get mineral deposits and with time may fail. Here is any easy solution so you never have this problem. I have two check valves, one for each of my pumps. Since this is a union, it unscrews easily and the valve can be removed in a few minutes. ( Unless you leave it in for a very long time). Every 4-6 months, remove the valve part of the unit and replace it with your spare. Then soak the one you removed in vinegar or whatever you use to remove mineral deposits for 24 hours. Your soaked valve will be as good as new and ready to put back in the system in 4-6 months. This has worked very well for me and is an inexpensive solution to check valve failure. So bottom line, purchase two union/check valves for every one you need and keep one clean and ready to replace the one in your system.. Since they are clear you can see when to change them. No need to wait for failure.
  • Doesn't work. By DivingTheWorld on 2/17/2015

    This check valve uses solid construction and I really like how it has the two unions which makes installation much easier. The problem I have is that it just doesn't work. From day one it never worked. It slows the drainage down, but it still drains the overflow completely within about 2 minutes. If I could have done my plumbing over, I would have just saved my $ and not used a check valve. It's much simpler to just design your sump to accommodate. Luckily I did both, so it hasn't caused me any issues.
  • Solid construction By Timothy on 12/15/2014

    Check salve is easy to install, solid construction. Lasts for years and is easy to replace due to being a true union valve.
  • Swing Check Valve By onecansay on 8/20/2014

    Spend your money once. Heavy duty swing gate.

    Only wish shipping to Canada could be done through postal service to cut down shipping costs.

    Would order more stuff from BRS.

    Frank,
    Ontario, Canada.
  • High Quality By QOTD on 8/20/2014

    Very high quality check valve. And the extra unions are great.
  • Great product By Sean on 3/15/2014

    Made my life easier. Breaks down easy and no leaks. The best part is peace of mind.
  • Check it out! By David on 12/14/2013

    Sometimes we as aquarists spend money only on filters, rock and stock for our tanks........DO NOT cheap out on this item. This check valve is super quiet and works well (tested it out) not to mention you get an extra union in your build. I am super satisfied with this item and will get it again on my next build.
  • Wouldn't Run a Tank without It By JC on 5/12/2013

    Very reliable and also simple to clean. It takes away the need of adding an additional union to the plumbing system.

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