ReviewsWater Check Valves

JIH Aquarium Air Pump Accessories Set -25 Feet Airline Tubing Black Standard, Air Stones,Check Valves, Suction Cups and Connectors

  • 25ft. Black Airline Tubing : 3/16 Standard ID Flexible material. 4 Control Valves.
  • 4 Bubble Release Air Stone : approx. 0.6'' x 1'', Durable to produce lots of tiny bubbles continuously to diffuse oxygen efficiently in your fish tank..
  • 12 Pcs Black Suction Cups：Excellent 3/16 inch inner diameter airline tube holder suction cups will stick tightly to the smooth fish tank..
  • 4 CHECK VALVES:Put the check valve in the airline tube between air pump and aquarium water to prevent water from back siphoning..
  • 12 Black Connections (Straight & T ) : T connectors can combine two inputs to create one stronger output.
  • Straight connectors apply for mending or extending air hose..
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SharkBite 1/2 Inch Check Valve Push to Connect Brass Plumbing Fitting PEX Pipe Copper CPVC PE-RT HDPE U2008-0000LFA

  • SHARKBITE BRASS CHECK VALVE: This push-to-connect brass check valve allows you to prevent the reverse flow of water quickly and easily.
  • ideal for working in tight spaces **Remove using a disconnect clip or disconnect tongs**.
  • VERSATILE: Pushfit spring-loaded check valves work well with PEX, CPVC, PE-RT, SDR-9 HDPE, and copper pipes.
  • EASY TO INSTALL: The innovative push-to-connect design of the SharkBite brass check valves allows for quick and easy installation, with no tools, crimping, glue, or soldering required.
  • can be installed horizontally or vertically.
  • PREFERRED BY THE PRO: SharkBite tools and fittings meet the same high standards for commercial and residential plumbing applications, combining durability and ease of use suitable for commercial repairs or home improvement projects.
  • SPECS: Made with DZR forged brass, this check valve can withstand 200 degrees F and 150 PSI.
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briidea Dual Pump Install Kit - PVC WYE with Integrated Quiet Sump Pump Check Valves

  • – The briidea dual pump install kit has everything you need to connect 2 sump pumps to a single 1 1/2″ discharge line. Full flow 1-1/2″ check valves and Y-connector allows maximum pump output.
  • – Connects 2 primary sump pumps or primary and backup pump.
  • – Easy installation with a standard screwdriver. There’s no need to purchase PVC pipe, elbows, couplings, no glue or cement required.
  • – Silent check valves eliminate water hammering for quiet operation.
  • – PRODUCT GUARANTEE: You can enjoy our first-class service with free refund without reason, 2-year warranty and 24-hour support for customer service.
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Pawfly 3-Way Aquarium Air Flow Control Lever Valve Distributor Splitter Pump Accessories Set with 3 Check Valves & 4 Suction Cups

  • Manually control the flow of vital O2 or switch an air pump "on or off"..
  • Made of Chromium Copper material, air will never leak out. INLET DIA: 3/16", OUTLET DIA: 3/16"..
  • Non-Return Check Valves protect you air pump by preventing aquarium water from back siphoning during a power outage..
  • Suction Cups fit the Air Valve Distributor and standard tube well, sticking to the tank firmly..
  • Package Content: 1 x 3-Way Air Distributors, 3 x Non-Return Check Valves, 4 Suction Cups.
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PumpSpy Threaded Quiet Sump Pump Check Valve with 100% Stainless Steel Clamps Included - Threads Directly into the Pump's 1-1/2" NPT Discharge to Connect it to a 1-1/2" Pipe - Model CV-150T

  • ...ipe and is engineered to allow for maximum flow from your sump pump. Works with any pump containing a 1-1/2" NPT discharge..
  • UNIQUE SPRING-LOADED FLAPPER: The unique spring-loaded flapper on our sump pump check valve eliminates the water hammer noise of standard check valves for silent operation. No more sudden noises that disrupt your lifestyle or sleep. With this check valve, water hammer noise will be a nuisance of the past!.
  • 100% STAINLESS STEEL HOSE CLAMPS: Our sump pump check valve threads directly into the pump's 1-1/2" NPT discharge to connect it to a 1-1/2" pipe and is engineered to allow for maximum flow from your sump pump. With durable ABS construction, you can have a system that'll last for a long time. The use of stainless steel hose clamps prevents rust and corrosion for a secure, leak-proof connection..
  • PRE-DRILLED WEEP HOLE: The pre-drilled weep hole of our pump sump check valve eliminates the air lock that may occur in bottom suction pumps. Our “full-flow” check valves prevent the water that remains in the sump discharge pipe from falling back into the sump pit. This avoids pum....
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uxcell Nickel-Plated Copper One Way Air Check Valve G 1/4 Female Threaded Full Port Check Valve 2Pcs

  • Function: the check valves are applicable for fluid systems to prevent countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air.
  • Material and size: the one way check valves are made of PVDF, sturdy, wear-resistant and durable for long-term use.
  • Each check valve measures 6.3 mm/ 1/4 inches, the total length is 38 mm/ 1.50 inches.
  • Features: the pipe port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic, with good airtightness and good adsorption performance.
  • Easy to install: the non-return check valve is easy to install, convenient for you to unscrew and replace.
  • Application: the non-return check valves are widely applied for automotive parts, machinery industry, household appliances, agriculture, etc..
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NIBCO F910B-LF Silent Check Valve Lead-Free* Class 125 Flanged Bronze Seat 4

  • The NIBCO lead-free cast iron sliding disc silent check valve is spring actuated with renewable cast bronze seat and bronze disc.
  • The spring return reduces noise for quiet operation.
  • The wafer style check valve features a flanged wafer body style to fit between standard flanges.
  • The check valve is recommended for commercial and industrial water applications.
  • Lead Free refers to the wetted surface of pipe.
  • fittings and fixtures in potable water systems that have a weighted average lead content ≤ 0.25% per the Safe Drinking Water Act (Sec. 1417) amended.
  • Spring actuated (1/2 psi cracking pressure).
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NIBCO F910B-LF Silent Check Valve Lead-Free* Class 125 Flanged Bronze Seat 2-1/2

  • The NIBCO lead-free cast iron sliding disc silent check valve is spring actuated with renewable cast bronze seat and bronze disc.
  • The spring return reduces noise for quiet operation.
  • The wafer style check valve features a flanged wafer body style to fit between standard flanges.
  • The check valve is recommended for commercial and industrial water applications.
  • Lead Free refers to the wetted surface of pipe.
  • fittings and fixtures in potable water systems that have a weighted average lead content ≤ 0.25% per the Safe Drinking Water Act (Sec. 1417) amended.
  • Spring actuated (1/2 psi cracking pressure).
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Check Valve 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Oil Water Gas Air One-Way Check Valve for Liquids and Gases 6 Pieces

  • Material: this check valve is made of ABS plastic, and the internal valve core is made of silicone, ABS plastic has high hardness, good heat resistance and corrosion resistance, strong resistance to acids and alkalis, and is resistant to organic solvents to some extent.
  • Suitable size: you will get 6 no-return check valves with a size of 3/8 inch, which is 1.61 inches long, enough quantity to meet your use of check valves in different situations to prevent fluid backflow.
  • Function introduction: 3/8 check valve is applied in fluid system to prevent fluid backflow, or applied in pneumatic system to prevent compressed air backflow.
  • This check valve can be applied in the temperature range of -20 degrees Celsius to 70 degrees Celsius.
  • Widely use: one-way valve can be applied in water process, air purification, automobile parts, machinery industry, household appliances, etc., to effectively prevent backflow of the medium.
  • Note: when installing the check valve, pay special attention to the flow direction of the medium.
  • The normal flow direction of the medium should be consistent with the arrow direction indicated on the valve body, otherwise the normal flow of the medium will be cut off.
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ALEGI Aquarium Air Pump Accessories with Non-Return Check Valves,Air Control Valve for 3/16\ Aquarium Tubing (6 Check valves+6 Control Valve) (Red)

  • Package Included : 6 Pcs Non-Return Check Valves and 6 Pcs Aquarium Air Control Valve..
  • 【Non-Return Check Valves】Small and compact, which protect you air pump by preventing aquarium water from back siphoning during a power outage..
  • Made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage.
  • 【Air Control Valve】Simple design for easy use. The Aquaculture Air Valve can be connected to aquarium tubing..
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Leinuosen 20 Pack Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valve Air Pump Accessories for Fish Tank Black

  • Application: the check valve can be applied for common aquarium air pumps, protect you air pump by preventing aquarium water from back siphoning....
  • Quality: made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage.
  • Practical design: the valves are detachable, you can unscrew to open it so as to clean and repair them easily.
  • Measurement: the air hole diameter is 4 mm/ 0.16 inch, the overall length is approx. 4.2 cm/ 1.7 inches, proper size for most fish tank.
  • Package contents: 20 pieces air pump check valves, sufficient for daily using and replacement.
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