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.
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 than a project delay.
|SKU||Spears True Union Check Valve|
The sizes provided for the check valves denote what size PVC pipe or spigot (slip) fitting they will work with. Plumbing sizes are nominal and do not describe the actual measurement of the pipe or fitting.
1/2" - 4-13/16"
3/4" - 4-15/16"
1" - 6"
1-1/4" - 6-13/16"
1-1/2" - 6-1/2"
2" - 7-9/16
We cannot guarantee these will work with other unions. If replacement are needed we recommend selecting the same brand. Feel free to let us know if you have any further questions!
We do not currently have just the replacement union parts available and a full replacement valve will be needed. Feel free to let us know if you have any further questions!
I know they come with fpt ,better yet offer both options like the cepex ball valve.
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.
I hope this helps!
Have a great day :)
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.
It sure will!
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.
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.
The check valve is a slip connection for pipe (which would be smooth).