The 9 Best Water Pump flow Control valves (2023 reviews)

Zoeller line of valve come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. This check valve has a very sturdy design and due to its design, operates very quietly. It is used for pit sump pumps. It is noticeably quieter. It is used to quiet a thud noise as the pump stops and water in line falls back on shut-off. It is a bit restrictive so the pump does make a few decibels more but no more bangs all the time.

This valve includes two detachable union connectors, and these connectors' inner diameter matches the outer diameter of the 1.5" ABS drain pipe. The valve is rated at 50 psi.

Why We Like This:

Slightly restricts pump efficiency and run times are approximately
Relatively straightforward to install and overall and well engineered
Works fine with rain/ground water systems

Best For Sump Pump: Hydro master Water Pump flow Control Valve

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The hydro master water pump flow control valve's superior materials makes sure that it ages well with use. This sump pump check valve is designed to help stop pumped water from flowing back into the basin. It is made of strong abs body and epdm rubber on both ends to prolong service life. It’s a swing assisted spring. It comes complete with all the clamps and gaskets necessary. It works off of both gravity and water pressure. It’s a flap that opens pretty easily, and closes by itself, so a low flow of water will open it.

Not sure what you mean by "fold" but the rubber portions are maleable to accomodate/accept other piping. This valve can stop the drain odor.

Why We Like This:

Spring assisted swing, can mount it any direction
Made well, no plastic junk, clamps are stainless steel
One of the new comers and featured product

Best For Septic: Nxtop Water Pump flow Control Valve

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The nxtop water pump flow control valve's superior materials makes sure that it ages well with use. It can be used for an in-let flow of water and out-let flow of water from the tank to control the level of water, it works in both ways. It can sensor and regulate water level in a barrel, sink or well. This float valve is mounted in the tank and adjusted so that it comes on if the water level drops more than 4" below the lower limit of the main float switch. It has to dip down positively or point up, to get the inner mechanism to move. It can operate either way and it is easy to wire in, highly recommended. This switch can be wired in both configurations.

Why We Like This:

Non-toxic type can be used in house or factory
Lot of satisfied buyers

Best For hot Water Tank: Afw Water Pump flow Control Valve

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The afw water pump flow control valve is specially designed for your regular usage and has all useful features. This is an unusual design compared to the standard "white cube" 60% ASOVs. It allows the storage tank to fill with more water. The permeate pump cycles on and off every 3 seconds when the tank is almost fill because that is when the pressure is the highest in the tank. This valve doesn't close until the pump stops, and it always re-opens when the pump starts. It will prevent the water pressure from pushing and accumulating the tds against the membrane. If you are methodical, and disciplined on changing your prefilters before times up, then this is for you. This is a great ASO valve to use with a permeate pump. It comes with an instruction sheet showing you how to connect to your ro system.

Why We Like This:

More water faster from your reverse osmosis system
A must for a permeate pump system
Delivers what they promise

Best With Controller: CXZTCL Water Pump flow Control Valve

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Not everyone likes to purchase valve for their daily purpose, but the cxztcl water pump flow control valve would be an anomoly. This water float switch is applicable to control sump pump, water pump, and water pump. It is widely used in water tank, pools, barrels, troughs and other containers of water, oil, acid and alkali in households, factories and mines. It is made of high-purity copper wire, which effectively resists aging and rust, and has low resistance and low heat. It is designed by using the principle of gravity and buoyancy, with simple and reasonable structure, often used to control the liquid level of water towers, septic tanks, pools, etc. Rugged polypropylene construction also makes this water level switch temperature-resistant from 0°C60°C.

The cable float switch uses a sensitive micro switch, the water level is controlled quickly and accurately, and the control range is greater than 0.3 m and up to 10, 000 times of use. It can work in no or nc ways, rated up to 220 volts and operations at up to 10 amps. It is made of high-quality pvc cable, it is soft and firm, not easily damaged by the environment, and has a longer service life.

Why We Like This:

Toxic polypropylene, odorless, insulated, waterproof, and is ip65 rated
Make the controlled water level more accurate
Polypropylene shell with a stainless steel ball inside

Best For Vertical or horizontal application: star Water Pump flow Control Valve

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The star water pump flow control valve's high-end materials makes sure that it ages well with use. It keeps jet, centrifugal, and submersible pump water systems primed. It features a poppet with buns-n o-ring, stem guide, and a wide channel for maximum water flow. The spring controlled valve closes as soon as pump shuts off to prevent the water from back flowing. It is designed for vertical or horizontal application and is constructed of high quality brass for long life.

Why We Like This:

Spring controlled check valve for general service of jet, submersible or centrifugal pumps
Lot of satisfied buyers

Best For Water storage Tank: Watts Water Pump flow Control Valve

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The watts water pump flow control valve's material feels more premium than its price would suggest. These non-electrolytic and highly corrosion resistant floats are ideal for use with salts and caustic fluids. It is composed of injection-molded polyethylene, they are resistant to sunlight and deterioration. It is a good quality valve for water storage tank. It has a bronze body with 1 inch male npt threaded inlet and outlet connections, cotter pin pivot arm assembly, and plunger assembly with seals.

This is well built and will last. It can be used in applications where heavy duty is not needed, but protection and control of high water flow is. It is ideal for use in air conditioning, refrigeration, and irrigation systems, these can be tank or wall mounted.

Why We Like This:

Used in commercial, industrial, and agricultural applications for controlling high capacity water flow
Replaceable seals and no-jam single level action
Serrated arms for easy adjustment of water level

Best With utility sink Pump MODELS: Gp Enterprises Water Pump flow Control Valve

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Gp Enterprises offers a variety of valve for personal choice and yet maintaining quality in all the variants. It is compatible with utility sink pump models. It is an adjustable valve that controls the discharge flow rate.

Why We Like This:

One of the new comers and featured product
Good brand reputation

Best value For money: Merrill Water Pump flow Control Valve

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The look and feel of this valves are consistent with the decent quality we're used to from the rest of Merrill's lineup. Merrill's sump pump check valves prevents water and sewage from flowing back, ensuring contamination-free flow. It’s built very sturdy (hence three stars) and may work great on strained/ debris free water, but not good with debris. It allows a secure and leak-free connection to a 1-1/2" pvc pipe or fitting.

This check-valve is solidly made and by turning it upside down and back again, you can hear the heavy-duty valve inside move up and down. It is a cap that slides back and forth in a chamber that never gets out of the way of the flow so it easily traps debris. It is easy to install vertically with compression (slip) connections and clamps.

Why We Like This: