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Check Valve

83 products
Threaded Airline Pipe Valves and Tap
(5527)
Starting at $0.49
…pipe valve installationThreaded pipe valves great for all types of aquarium, hatchery and aquaculture applications. All valves connect to 3/16" tubing and have a 1/8" MPT.Plastic Valve- Great inexpensive valve to control airflow. Will not corrode. 5-psi max.Brass Valve- Quality brass valve for years…
FPT x FPT Swing Check Valve (Clear)
(4979)
Starting at $12.99
…aquarium swing check valves with female pipe thread fittings*Install inline to prevent backflow and siphoning of aquarium water*Aquarium swing check valves are pressure rated 150 PSI @ 73°F (75 PSI Back Pressure)Prevent potential damage due to back flow. FPT x FPT Swing Check Valve (Clear) offers…
Slip x Slip Swing Check Valve (Clear)
(4978)
Starting at $13.49
…aquarium swing check valves with slip socket fittings*Install inline to prevent backflow and siphoning of aquarium water*Aquarium swing check valves are pressure rated 150 PSI @ 73°F (75 PSI Back Pressure)Prevent potential damage due to backflow. Slip x Slip Swing Check Valve (Clear) offers aquarium…
Eheim Hobby Pumps
(6000)
Starting at $89.99
…pump. This will quickly cause permanent motor damage.You can restrict the outlet flow of the water pump with a ball valve in order to achieve the desired flow rate.Use ball valves before inlet and after outlet to make pump removal easy and spill free.Anytime a threaded connection is used, be sure…
Aquatic Micro Ball Valves
(5005)
Starting at $10.2
…carbon dioxide. They also maintain a stable pH by counteracting the pH-lowering effects of carbon dioxide.With an air pump, airline tubing, a check valve, and a touch of creativity, you can easily create a cascade of soothing, beneficial bubbles in your aquarium. Airstones release thousands of…
Marina Extendable Air Stone
(5540)
Starting at $2.99
…to airstone Inlet.Place in desired position in aquarium.Weight airstone down or cover with gravel if required.Use an air valve to properly regulate air flow.Use a check valve to prevent water from back siphoning through air line.For multiple units, remove Plug from outlet and connect additional…
Lee's Aquarium & Pet Products - Check Valve
(12405)
Starting at $2.99
Protect your aquarium during a power or pump failure with the Lee's Aquarium & Pet Products - Check Valve. This essential accessory prevents water siphoning from the aquarium which may damage carpet, furniture and the air pump itself. Plus it prevents your aquarium from draining, which may result in…
Lifegard Airline Bulkhead Kit
(5531)
Starting at $3.24
…Elbow Fitting after Check Valve to run Lifegard Airline Tubing along bottom inside aquarium.Caution: The one-way Check Valves must be positioned correctly to allow airflow in one direction only (see arrow on Check Valve indicating proper direction of airflow). The Check Valve must be examined…
Tetra GloFish LED Bubbling Air Stone with Color-Enhancing Lights
(5643)
Starting at $9.99
…and bright. The bubbling feature also improves the circulation and oxygenation of the water. Air pump, airline tubing, and check valve are sold separately. Dimensions1/2" H x 2 1/2" L x 4" WDirectionsDon't forget a check valve to prevent back siphoning, and always make a drip loop for safety.
AquaticLife Automatic Shut-Off Float Valve Kit, 1/4"
(5013)
Starting at $19.99
…of clean, filtered RO water for aquarium use. AquaticLife Automatic Shut-Off Float Valve Kit Comes with: Pressure Sensitive Solenoid Adjustable Float Buddie Fit(TM) 1/4" Inline Check Valve Buddie Fit(TM) 1/4" x MPT 1/8" Elbow 5 ft x 1/4" Polyethylene Tubing Installation GuideSpecificationsMinimum…
Aqueon Flexible LED Bubble Wands
(5997)
Starting at $11.99
…inlet on the Aqueon Flexible LED Bubble Wand. Connect opposite end of airline tubing to check valve (not included). Connect an additional piece of airline tubing from opposite end of check valve to the air pump (not included) output. Follow manufacturer's instructions, warnings and safeguards…
Aqua Fizzzz Airstones
(5541)
Starting at $1.49
…for use (sold separately). Installation InstructionsAttach airline to airstone Inlet.Place in desired position in aquarium.Weight airstone down or cover with gravel if required.Use an air valve to properly regulate air flow.Use a check valve to prevent water from back siphoning through air line.
Two Little Fishies KW Reactor 300 Pump Only Kit
(4559)
Starting at $55.6
…Connecting the Check ValveUse 1/2" ID Hose to connect the Check Valve in the water feed line. Be sure to use the correct diameter hose so that the Check Valve fits snug in the Hose. Note the small arrows on the Check Valve, which shows the direction of water flow. Note that the Check Valve can be…
Marineland Color-Changing LED Bubble Ring
(5539)
Starting at $15.99
…colored LED light for enhanced light effects. 2-1/4" diameter x 4" high.--->Marineland Color-Changing LED Bubble Ring requires an air pump, check valve and airline tubing (each sold separately) for complete accent light and bubble effects.Directions for use Attach airline tubing (sold separately)…
Marineland Color-Changing LED Bubble Wand
(5538)
Starting at $29.99
…aquariums. This LED works best as an accent in freshwater or marine aquariums.Marineland Color-Changing LED Bubble Wand requires an air pump, check valve and airline tubing (each sold separately) for complete accent light and bubble effects.Directions for use Attach airline tubing (sold separately)…
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