Stenner Pumps UCDBINJ injection check valve with 1/4 inch ferruleStenner Pumps Injection Check Valve with 1/4 Inch Ferrule, UCDBINJ In stock$2699
Stenner Pumps UCDBINJ injection check valve with 1/4 inch ferrule
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Stenner Pumps Injection Check Valve with 1/4 Inch Ferrule, UCDBINJ

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$2699
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Quick overview

  • 1/4 inch ferrule Sized for 1/4 inch Stenner discharge tubing.
  • Wide model coverage Fits the 45, 85, 100 and 170 Series adjustable and fixed pumps, plus SVP and BDF Series pumps.
  • Genuine Stenner Factory part UCDBINJ.
  • The injection point This is the fitting that puts chemical into the pipe and stops the line from draining back.
  • A wear part Check valves are consumables in a chemical feed system, and a stuck one is a common cause of a pump that runs but does not feed.
  • Adjustable and fixed pumps The same valve covers both output styles across the listed series.
Full description and specifications ↓

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Product details

The Stenner UCDBINJ is an injection check valve supplied with a 1/4 inch ferrule. Stenner lists it for the 45, 85, 100 and 170 Series adjustable and fixed pumps, and for the SVP and BDF Series.

Where it sits in the system

The injection check valve is the last component in a chemical feed line. It threads into the pipe or fitting at the injection point, opens when the pump pushes chemical through, and closes the rest of the time so pressurized water cannot travel back up the tubing toward the pump.

Why it fails

Everything the feed system doses passes through this one small valve, and it lives at the junction between chemical and circulating water. Deposits build up, the seat stops sealing, or the valve sticks shut. A feed pump that turns as it should while chemical levels do not move is often pointing at the injection check valve rather than at the pump.

Specifications
Brand Stenner Pumps
Manufacturer part number UCDBINJ
UPC 840034740776
Type Injection check valve
Ferrule size 1/4 inch
Fits 45, 85, 100 and 170 Series adjustable and fixed pumps
Also fits SVP and BDF Series pumps
Shipping weight 0.02 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which Stenner pumps does this fit?
The 45, 85, 100 and 170 Series adjustable and fixed pumps, and the SVP and BDF Series pumps.
What size tubing is it for?
It comes with a 1/4 inch ferrule.
Does it matter whether my pump is adjustable or fixed output?
No. Stenner lists this valve for both, across the series above.
My pump runs but nothing is being dosed. Could this be it?
It is one of the first things to check. If the injection check valve is fouled or stuck, the pump can cycle normally while the chemical goes nowhere.
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