Reservoir Top-Off Kit

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This kit can be used to keep water levels topped off in your recirculating hydroponic system, it can be used with many types of systems that have a reservoir ** except for ebb and flo or flood and drain hydroponic systems. We recommend running you system for a week or 2 before deciding how high or low to mount the float valve, people run there systems at different water levels and that is why we wont pre drill top off kits on our systems, sorry we hope you understand.- Gary

This kit includes:
1 - 1/2" Hydrologic float valve
1 - 1/2" drain bulkhead
1 - 1/2" elbow
5 foot of 1/2" black tubing

- Hydro-Logic® Float Valve - 1/2 in Barbed

This float valve comes with a 1/2 in barbed fitting. Adjustable water level and can be mounted horizontally or vertically. Allows you to fill any tank or reservoir unattended—never flood your garden again! All plastic and stainless steel materials. Better than brass and fully adjustable.

- Hydro Flow Ebb & Flow Tub Outlet Fitting 1/2 in (13mm) (10/Bag)
- Hydrofarm Active Aqua 1/2" Elbow Connector

- Hydrofarm 1/2" black tubing. Use our sturdy black vinyl tubing, which is FDA-approved and BPA-free, for your irrigation systems and tanks, and to complete your own hydroponic systems. The material is easy to cut to size, but will remain strong and reliable.  

Manufactured using high quality materials. Hydro Flow® Tub Outlet Fittings each come with 2 gaskets ensuring a water tight seal.

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15 Reviews Hide Reviews Show Reviews

  • 5
    Top off kit, deburing tool and pump

    Posted by Ed on Jul 7th 2021

    I bought the top off kit, deburing tool and pump. All three products are top notch and work well for my system. I will buy more products from PA hydroponics. I also love Gary’s YouTube videos. I learned a lot from these videos.

  • 5
    Did as promised

    Posted by Dewayne Jenkins on May 23rd 2021

    Just what I needed to add to my hydroponics system

  • 5
    Great kit! Fantastic price! Excellent service!!

    Posted by Joe G on Mar 26th 2021

    This kit worked great for me. Everything you need is right there. Just be careful when you're drilling in the top off tank. I put the hole a little close to the bottom. It leaked initially but I was able to resolve it with a larger washer. The hole diameter is the same as many standard plumbing stuff you would use. So finding a washer at the hardware store was easy. The kit works very well.

  • 5
    Reservoir top off kit

    Posted by Brent Dawson on Jan 14th 2021

    Very nice product and very easy to install with the help of Gary's great video.

  • 5

    Posted by kenneth haynes on Jan 11th 2021

    does the job and everythings there,fast delivery,thnx gary

  • 4
    Top off res kit

    Posted by Paul Lewis on Nov 26th 2020

    Works great,

  • 5
    Awesome top off kit!

    Posted by William b Casey on Nov 16th 2020

    This kit makes going on vacation easy!! I couldn't leave for more than 2 days now I can go up to a week without adding water! Thanks pahydro!

  • 5
    Great kit

    Posted by erwin Cason on Aug 24th 2020


  • 5
    Easy peasy

    Posted by Steve on Aug 18th 2020

    Simple hook up and operation and no leaks.