Georg Fischer Wye Check Valve

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Quick Overview

Why does BRS recommend this?


Check valves are always a good idea to have, however when it comes to reliability you get what you pay for.  There are other good check valves on the market but we feel that the George Fischer Wye check valve is by far the most superior.  They have a removable plunger that can be cleaned easily without having to remove the main body of the check valve from your plumbing.  With the cost of some floors these days and other things an overflow can damage paying a few extra bucks for quality safety precautions can save a lot of money down the line.


Swiss-made check valves allow one directional water flow and are used to prevent back siphoning. Commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure or maintenance.



  • Slip x Slip

  • Easy breakdown for cleaning

  • Long term operation

  • More professional look white Schedule 40 PVC

More
  • Quick Overview

Why does BRS recommend this?

Check valves are always a good idea to have, however when it comes to reliability you get what you pay for.  There are other good check valves on the market but we feel that the George Fischer Wye check valve is by far the most superior.  They have a removable plunger that can be cleaned easily without having to remove the main body of the check valve from your plumbing.  With the cost of some floors these days and other things an overflow can damage paying a few extra bucks for quality safety precautions can save a lot of money down the line.

Swiss-made check valves allow one directional water flow and are used to prevent back siphoning. Commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure or maintenance.

  • Slip x Slip
  • Easy breakdown for cleaning
  • Long term operation
  • More professional look white Schedule 40 PVC
More )

Georg Fischer Wye Check Valve

89% Recommend this to a friend (33 of 37)

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1/2” Wye Check Valve
SKU: 207894
$39.99
 
 
3/4” Wye Check Valve
SKU: 202450
$49.99
 
 
1” Wye Check Valve
SKU: 202451
$59.99
 
 
1 1/4” Wye Check Valve
SKU: 209976
$79.99
 
 
1 1/2” Wye Check Valve
SKU: 202452
$94.99
 
 
2” Wye Check Valve
SKU: 202453
$129.99
 

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Product Questions

my return is 3/4" flex hosing using a tunze return pump. Can i fit this check valve on my return pump or would I need some extra plumbing parts to make it fit.
Question by: Toan on Jul 21, 2014 9:56:00 PM
Hi Toan,
Check valves are made for rigid PVC pipe. If you are using flexible tubing then you will need to pick up some barb adapters to convert the fittings from being for rigid PVC to being for flexible tubing. The exact fitting will depend on your plumbing, but it is likely one of the fittings below and a coupler.
http://www.bulkreefsupply.com/gray-male-pipe-adapter-spigot-x-barb.html
Answer by: Bulk Reef Supply on Jul 21, 2014 9:56:00 PM
Is the check valve sch. 40 PVC because it doesn't look like it? PVC glue?? Does it slip in the pipe or over?
Question by: chris huddleston on Jan 27, 2016 9:30:00 AM
Great question!
We use regular weld on 711 industrial glue. However standard schedule 40 glue will work fine! The bottom and top of the valve are the same size as a piece of pipe and we recommend using unions to connect in line. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 3, 2016 5:33:00 PM
hello, ive seen a few reviews that state that a 1" check valve is the size of the valve not the OD of the pipe. So in my case if I am using 1" pvc up to my tank I would need a 3/4" check valve or 1" check valve? Please clarify, as i dont want to lower my flow rate.
thanks
Question by: brent havanchak on Oct 29, 2015 9:20:00 PM
Great question!
The Georg Fisher Wye Check Valve sizes have nothing to do with the size of the valve. The sizes are in fact directly related to the size of the PVC fitting they will work with. For example the 3/4" check valve will work with all 3/4" elbows, unions or other items you will glue a standard 3/4" pipe in. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Oct 30, 2015 3:15:00 PM
Does this check valve have to be vertical for it to operate properly and can it be horizontal?
Question by: Evan Chandlee on Dec 1, 2015 4:58:00 PM
Great question!
This will need to be mounted vertically for the float to trigger. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Dec 9, 2015 12:16:00 PM
Can the y check valve be mounted upside down but vertical as in the case of a drain?
Question by: Todd Conner on Apr 18, 2016 4:52:00 PM
Great question!
any upside down check valve will not work as water only flows down the valve. Check valves cannot be used on drain lines. Feel free to let us know if you have any further questions.
Answer by: Connor (Admin) on Apr 26, 2016 12:17:00 PM
Hi,

The description states these are "Slip x Slip". Wouldn't it be more accurate to say they are "Street x Street" or "Spigot x Spigot"? Each end of it fits INTO a socket (or slip) fitting. It's also I think a good idea to put a slip union on one end and an MPT adapter on the other, for easy removal and/or change of plan for the use of this expensive item.
Question by: don_chuwish on Feb 3, 2016 3:41:00 PM
Great point!
It is in fact a spigot x spigot fitting. Additionally highly recommended is the use of 2 unions or a union and an MPT adapter. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 3, 2016 6:59:00 PM
Thinking 2 returns equals 2 check valves. Is that a correct thought?
Question by: Michael on Jan 26, 2014 11:10:00 AM
Hi Michael,
That would be the case, unless the two returns come together at the sump and you could put the check valve on before they split.
Answer by: Bulk Reef Supply on Jan 26, 2014 11:10:00 AM

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 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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Reviews

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  • Great product but the price is a bit steep By Mark on 5/10/2016

    With $100 spent on just 2, these valves are the most expensive plumbing parts I have. I would like to see at least a union on each end included for this price. However, It's still better than the other check valves sold here. It seems to be the most reliable and is very easy to clean.
  • So far so good! By TWang on 1/19/2016

    This check valve is 100 times better than the cheaper swing type check valve. The quality is excellent. Easy to clean. If you need a check valve this is the one to get.
  • AWESOME! By Ray on 12/22/2015

    Fits perfect! Great for my application, clean appearance!
  • Not just for reefers By Will on 11/10/2015

    I use this on my discus tank's wet/dry system. I never had it fail from power outage. I use it weekly during water changes, when the pump is off, to keep water from over flowing into the filter. It is definitely worth the extra money and has saved some serious damage to my biological filter and my home.
  • Easy To Clean! By Guahan Reefer on 4/11/2015

    Great Valve! Why worry about water filling your sump/refugium from water backfeeding through your return when you can install one of these valves? Side access cap makes cleaning quick and easy.
  • Exelent Product By Xavier on 3/24/2015

    Simple and very effective! a must for any tank ! 5 Stars !
  • Worth every dime !!!! By Joe on 3/17/2015

    This valve is amazing. A bit pricey, but soo worth it. Just make sure you have quick disconnect fittings and a gate valve above just in case you need to clean it.
  • Worth the extra money! By Eric Ranschau on 2/13/2015

    When I set up my 75 gallon tank the first time, I added a swing type check valve (http://www.bulkreefsupply.com/swing-check-valve-1-bcc097feafe80f489ef54b0720ca059c.html) to the return line. It lasted about eight months before it had gummed up sufficiently that it would no longer prevent back siphons when I turned off the return pump. Needless to say, they're very difficult to clean.

    Replaced it last night with a Wye check valve and I couldn't be happier! It comes apart so I'll be able to clean it when it gets dirty, and I swear I'm getting twice the flow from my return line due to the more efficient design of the check valve itself.
  • Worth the extra money! By Eric Ranschau on 2/13/2015

    When I set up my 75 gallon tank the first time, I added a swing type check valve (http://www.bulkreefsupply.com/swing-check-valve-1-bcc097feafe80f489ef54b0720ca059c.html) to the return line. It lasted about eight months before it had gummed up sufficiently that it would no longer prevent back siphons when I turned off the return pump. Needless to say, they're very difficult to clean.

    Replaced it last night with a Wye check valve and I couldn't be happier! It comes apart so I'll be able to clean it when it gets dirty, and I swear I'm getting twice the flow from my return line due to the more efficient design of the check valve itself.
  • Awesome check valve By E on 2/10/2015

    This is the best check valve I have ever used. Much better than swing style valves. The build quality is solid - if you order one; you will understand the price when it is in your hands.
  • Only Check you should buy By AJS on 11/25/2014

    I have installed multiple versions of check valves, and this one is by far the best. I would suggest using unions for easy removal, and mounting in the proper manner to avoid and problems like I have read in other reviews.
  • Pretty Impressive so far By AV on 9/27/2014

    The quality of this product justifies the cost and I installed in my basin about a week ago. I'll have to inspect it in a month or two to stating that it's still functioning properly. Based on other reviews it is getting stuck in the open position after getting some debris or dirt in the check valve. One note, when it states 3/4 check valve, they are referring to the actual check valve itself, not the size pipe or hose you are connecting it to. That measurement OD is1", so I had to modify to allow it to work with my project.