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Features
- 2" Heavy-Duty Premium Quiet Check Valve w/Ball Valve
- Designed for use with residential sump/sewage applications
- 1/2 lb. Spring-Loaded Internal Flapper
- Ensures quiet operation by minimizing "Thump" when pump stops
- White PVC, Molded Plastic Design
- Durable construction, full flow, non-clogging design
- Quarter-Turn Ball Valve
- An extra layer of protection from discharge backflow into basin
- Glue-In, Deep Socket Design
- Keeps the check valve in-place during operation
- Versatile Design Allows For Installation Options
- Vertical or horizontal and even below the basin cover
- Pressure Rated at 50 PSI (115')
- 1-Year Warranty
California residents see
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
For more information go to: www.p65Warnings.ca.gov
Specifications
30-0048

General Information
Product Category
Water Pump Accessories
Pump
Discharge Port Size
2 Inch
Overview
Product Category
Water Pump Accessories
Weight
4 Pounds
Consumer Warranty
1 Year
Product Length
16 Inches
UPC
053514286323
Reviews
(18)
Zoeller 30-0048 Reviews & Ratings
Customer Rating
5.00
(18 Ratings)
5
(18)

4
(0)

3
(0)

2
(0)

1
(0)


Works Great
By Bill S
Maryland
Purchased 04/17/2023 |
Review Posted 05/30/2023
Wish I would have install in being load knock sound is gone.
Bill S Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Price, I39d Buy It Again

Wow
By George K
Illinois
Review Posted 02/03/2023
The title says it all. Wow. This thing is super quiet. I had to stand next to it make sure it was working. My last valve was like a gun shot going off. What a difference and I love that the unions can be taken apart should repairs be needed.
George K Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Price, I'd Buy It Again
Cons:
None

Zoeller Quiet Check Valve And Shut Off
By Lee D
Michigan
Review Posted 11/12/2022
Easy installation and after one week it seems to be working fine. The load banging is gone and very welcomed!
Lee D Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Price, I'd Buy It Again
Cons:
None

Excellent Valve
By Riemma J.
Illinois
Purchased 12/07/2021 |
Review Posted 12/31/2021
Totally eliminated the water hammer noise. Can even hear the valve close.
Riemma J. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, High Quality, Id Buy It Again, Durable
Cons:
Expensive

Works Perfectly - No Noise At All
By Michael R.
North Babylon, New York
Purchased 06/25/2021 |
Review Posted 07/20/2021
So quiet I don't even know when the pump runs anymore!
Michael R. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, High Quality, Id Buy It Again, Exceeded Expectations

Must Have No More Banging Of The Pipes
By Dave L.
Frankfort, Illinois
Purchased 12/16/2020 |
Review Posted 01/09/2021
Easy to install great quality no more loud banging from the pipes.
Dave L. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, Id Buy It Again, High Quality, Easy To Use

Quiet!
By Charles P.
Queen Creek, Arizona
Purchased 07/31/2020 |
Review Posted 08/30/2020
Wow! I wish I would have known about this when I installed the last one. So quiet, no bang.
Charles P. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, Id Buy It Again, Exceeded Expectations

Zoeller Quiet Check Valve, 2"
By Peter M.
Chicago, Illinois
Purchased 07/28/2020 |
Review Posted 08/19/2020
The Zoeller Quiet Check was easy to install. I had put in a 2" brass check in all copper piping. The location is in a meditation center in the West Loop, and the loud noise it made on closing was an issue. Recently the brass casting developed a crack and leaked. The Zoeller check was easy to install. All I had to do was sweat in a coupler to move the 2" male threads lower, and add two female PVC "street" fittings to the Zoeller PVC to mate it with the existing copper threaded fittings. Took very little time and the darned thing is so quiet you don't hear it at all when it closes.
Peter M. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, Id Buy It Again, Price

Excellent Check Valve, No More Water Hammer
By Scott C.
Deerfield, Illinois
Purchased 06/01/2020 |
Review Posted 06/29/2020
Easy install and very quiet vs a standard check valve. You need to not hear it to believe it. If you are in the room next to the valve as the pump cycles off, you can hear a bit of water flow back through the pump weep hole as the valve closes. It’s minimal, as expected, and only noticed in comparison to the deafening silence after a traditional valve slams shut.
Scott C. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Id Buy It Again, Quiet

Quiet Check Valve
By Don W.
Elwood, Illinois
Purchased 10/01/2019 |
Review Posted 11/16/2019
Performs as advertised.Very quiet.The only downside is the length of it. If you want to locate it inside the sump basin,it may hit the cover.I should have purchased it without the ball valve, as I don't need it. I am using the pump as a sump pump only.
Don W. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
4/5
Pros:
I'd Buy It Again, High Quality, Quiet
Cons:
Expensive
Product Q&A
(1)

Product Questions
Answered by Jim, the Water Pump Expert
How often do you recommend changing check valves on this model?
Gene K.
from Illinois
November 06, 2017
How-To Articles
Manuals
30-0048

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Zoeller 30-0048 - 2" PVC Quiet Check Valve w/ Ball Valve


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