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Schedule 80 PVC 711 Glue
Starting at: $13.49
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Schedule 80 Pipe (Sold in 5 Ft Sections)
Starting at: $8.09
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Schedule 80 Union Slip x Slip
Starting at: $4.04
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Braided Nylon Tubing Sold by the Foot
Starting at: $1.16
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Great Check Valve By Warren on 4/25/13
Warren would recommend this product to a friendDoes not interfer with water flow at all like some other check valves. With this being a union, it keeps you from having to add a union and a check valve. Saves space. -
Works well By Dan on 4/21/13
Dan would recommend this product to a friendIts great. Have yet to have any problems with it. -
Works grate By John on 4/3/13
John would recommend this product to a friendInstalled on my sump return line work grate :) -
Not handling the situation at this time. By BC on 2/25/13
BC would recommend this product to a friendInstalled the check valve. Went quickly after I finally got all the parts to mate it to 3/4" vinyl return line. The main reason for the install was to prevent backflow to sump when switching of return pump. Didn't work, just slowed the backflow. Haven't had a chance to uninstall and take apart to see why the valve isn't stopping backflow but intend to in next couple of day. -
Needed to upgrade the O-rings on the 2" valve By Frank on 2/9/13
Frank would recommend this product to a friendI normally do not write reviews but for this product I feel I should as it has a flaw in the design that is pretty easy to fix. They used a standard O-ring to seal the upper and lower union. I have my check valve hooked up to a Reflo Hammer head. and that pump created too much pressure for the O-ring and no matter how much I tried to tighten the union the unit would leak. I built in redundancy on my system so I have two units in series. Both units leaked in the same place. at the bottom union where the back pressure is greatest right before the swing valve.
I replaced the standard O-ring with a double seal O-ring from McMaster-Carr part number 90025K393. This took care of the issue and the leak is gone.
for lower pressure systems I am sure the standard O-ring is fine. But if you have a high pressure system that O-ring (sized to fit your valve you will have to measure yours and order the correct O-ring the part number I posted will only fit the 2" valve) will fix your leak.
I would recommend this unit, but I gave it only 3 stars as the manufacturer should just put the right O-ring on the valve. they are practically the same cost. -
does what it does By chi on 11/11/12
chi would recommend this product to a frienddoes what it is suppose to do and has not failed on me yet when i lost power from super storm sandy -
Works well By Wes on 8/16/12
Wes would recommend this product to a friendI have been running this valve for 3 months now with no problems at all. easy to maintain. Highly recommend. -
Great swing valve for the money By Louis on 8/11/12
Louis would recommend this product to a friendNo check valve is 100% safe in your aquarium so be prepared for future issues if you are only relying on this as your main source of stopping water.
That being said this true union is great. Decently priced. Easily taken apart for cleaning and inspections, and the clear plastic helps to see issues before they occur and no metal springs to corrode or fail from salt. -
Great price for a true union check valve By Bill on 5/29/12
Bill would recommend this product to a friendBe sure to design your sump to handle all back flow because checkvalves are not good insurance for flod control. They seep water slowly and in a long term power outage it will flood if your sump isn't large enough. This product does work as good as any check valve but I don't feel any of them can be relied on to stop a flood. -
Works as promised By Steve on 3/7/12
Steve would recommend this product to a friendA valve isn't necessarily the most glamorous piece of equipment we rely on for proper operation and failure preparedness - but important nonetheless. These valves work every time and provide just a little extra peace of mind that you don't come home to wet floors! Would recommend. -
Peace of mind By Fawn on 2/12/12
Fawn would recommend this product to a friendAffordable, and so far has worked flawlessly. Everyone should have one of these on your sump return pipe. Simple to install and its nice to be able to view the inside of it through the clear pvc. -
it is better to be safe then sorry By Chris on 11/22/10
Chris would recommend this product to a friendthey work great you can't go wrong and is easy to clean.you can see in them to make sure that everything is working right.
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PVC Check Valves
A how to video on the different types of check val ...
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Ask a Question About 'Swing Check Valve True Union'
Previously Asked Questions
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by Kyle on December 28, 2012, @5:53 PM
Will the nylon tubing fit around the ends of the swing check valve or is it meant for pvc piping.
Bulk Reef Supply Hey Kyle,
Good question! The check valves are meant for PVC piping. To use with flexible tubing you would need to get a few plumbing adapters to convert to barb connections on each side. Namely a female pipe adapter to convert to threads and then a Male insert (male barb) fitting screwed into that. You would also need a short length of tubing to go between the check valve and the adapter.
These are among the highest quality check valves to be found. Relative to other types and manufacturers of check valves, there is minimal pressure loss.
The true union check valve is specially designed to be disassembled by unscrewing the nuts in line leaving the tail pieces solvent cemented to the pipe.
This true union allows you to remove the body for repairs, or cleaning, even providing the opportunity to change the body or spring.
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 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.
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