Model # FP0026-10

Internet #100021846

Store SO SKU #1000895678

Flotec Sump Pump Inline Check Valve


Sump Pump Inline Check Valve

$595 /each
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Frequently Bought Together

Product Overview

The Flotec Sump Pump Inline Check Valve features a flapper designed to help prevent pumped water from flowing back into the basin. This check valve has an NPT inlet connection of 1-1/4 in. and a slip-fit outlet connection that can be 1-1/4 in. or 1-1/2 in. Easy to install, this corrosion-resistant check valve is constructed of rubber.

  • Flapper design helps prevent water from entering back into the basin
  • Rubber construction
  • Corrosion resistant
  • 1-1/4 in. NPT inlet
  • Slip-fit outlet connection can be 1-1/4 in. or 1-1/2 in.
  • Easy to install

Info & Guides

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Product Depth (in.)
Product Height (in.)
Product Width (in.)


Brand Compatibility
Product Weight (lb.)

Warranty / Certifications

Manufacturer Warranty
90 Days

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Customer Questions & Answers

Will this product work installed horizontally?

Asked by: JD
Probably but because of my experience with their quality I would not buy this product
Answered by: BobZ
Date published: 2017-08-14
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Customer Reviews

Sump Pump Inline Check Valve is rated 2.9 out of 5 by 122.
Rated 5 out of 5 by from Works well Does exactly what I need it to do and relatively inexpensive. The one I replaced was quite old and would leak every time the sump pump went on. Removal and installation took all of 5 minutes. It's only been a month so I cannot comment on longevity.
Date published: 2017-05-24
Rated 1 out of 5 by from Only lasted 9 months on a sump pump when the plastic flange itself broke while it was connected. ... Only lasted 9 months on a sump pump when the plastic flange itself broke while it was connected. Water sprayed all over the immediate area..
Date published: 2017-06-12
Rated 1 out of 5 by from I've had 2 of these check valves fail on me due to the flapper getting stuck open. I've had 2 of these check valves fail on me due to the flapper getting stuck open.
Date published: 2017-05-19
Rated 3 out of 5 by from 3 Star Review Rating provided by a verified purchaser
Date published: 2017-05-19
Rated 4 out of 5 by from Check all the ones in the box before you purchase or you will be disappointed I'm on my second one of these and thought it best to share my recommendations. Firstly, the sump pump system I inherited did not have a check valve installed. So when it got rainy the sump pump would cycle constantly. Click, whoosh, click, whoosh, gurgle, click etc. Water would go up, water would come back down. I think every cycle it was lucky to get a cup full out the end of the pipe before the float fell turning off the pump and the water drained back out. Anyway, I installed one of these and it did the job perfectly for all of two days. I removed it to find that the plastic flapper had fallen through and was not flapping or sealing any more. For reference the height I was throwing water up was only 8 feet. I popped the flapper back through and noticed something very interesting. The flapper was off center. So over the short period of time I had it installed the water hammering back against it was enough to pop it through as it was not properly supported. I went back to my local Home Depot and took a look at the dozen they had left on the shelf. Of the dozen there was only one where the flapper was lined up properly. Needless to say I bought that one and I haven't had a failure yet. I can only assume this lack of alignment is a bored employee on the production line just throwing these through and there is no QC inspection. So, if you are heading out to buy one make sure you look through the entire box. You only have to look at a couple and you will see what I saw. I've also uploaded a picture of the bad one so you can see what to look for.
Date published: 2013-12-24
Rated 1 out of 5 by from Would Not Purchase I installed the first valve that lasted a couple weeks. The flapper had warped and wouldn't seal anymore. I replaced it with the same type and that one lasted only a couple days before the same thing happened. Would not recommend this valve.
Date published: 2013-12-30
Rated 2 out of 5 by from Ok with clean water Got one of these for the backup sump line because it was in stock at the local store . It's ok and may do the job well enough if there is less than an 18" head of vertical water, but does not work if sediment can has the possibility of getting into the pipe from the sump pump basin. I experienced valve "thump" from this product. Lets the water go out, but as the other reviewer said, it lets it drain back into the sump basin also. For the same money, get a Zoeller check valve instead and have it shipped. No valve thump, no draining issue, and no sediment problems either.
Date published: 2011-02-28
Rated 1 out of 5 by from Flimsy Junk I bought this check valve to replace a Zoeller valve on a sump that drains a sink in my mud room. The Zoeller had lasted the 10 years since the sink was installed and finally gave up the ghost when the rubber flapper tore at the hinge point. I installed this valve and was initially thrilled that it went in fairly easily and worked great. That lasted about 3 weeks. Then one day the pump kept cycling on and off over and over again, just as it did when the last valve broke. I could hear the sump come on, and I could hear the valve engaging, but then the water started to run back. I removed it and discovered that the flapper was being pushed right through the opening by the water back pressure. There is only about 1/8 of an inch overlap of the stop valve and the opening and no reinforcement. After just a few weeks of use the rubber gave way and the valve was useless. This might work OK if you are only pumping water a foot or two but anything more is too much pressure for the flimsy construction. I now have a new Zoeller check valve with a very sturdy metal reinforced stopper. I will never by a cheap valve like this one again.
Date published: 2014-01-08
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