Reviews Backflow Preventer Valve

RKI 4" - Professional Backdraft Damper Inline Spring Loaded for Dryer Duct

... wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no (cold) air / wind can penetrate the ventilation pipe from the outside..
INSTALLATION: The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation..

... and tie the tape around the outdoor plumbing. The tape will stick firmly to the pipe and will not come loose even after a long time. (2 Inches Wide, 1/8 Inches Thickness, 13 Feet Long).
【MAXIMUM PIPE FREEZE PROTECTION】Match with our TOHONFOO Customized Design Backflow Preventer Cover to protect your Backflow Preventer in cold winter or hot summer Perfectly..
【Avoid High Repair Costs】Protects your pipe from freezing, bursting, and blowouts due to severe weather conditions like snow, rain, wind, and sun exposure heating. Avoid the expensive costs of pipe replacement and repair every year..
【PROTECT YOUR PIPES】Our thermal insulation freezer tape has the advantages of good waterproofing, weather resistance, and so on. Especially suitable for protecting outdoor pipes from freezing in winter, or damage from the scorching sun in summer..
【DURABILITY INSULATION TAPE】You are guaranteed optimum durability every time you choose our seal tape for your insulation. It offers excellent resistance, weather resistance, temperature resistance, thermal insulation, and chemical r....

Lifetime warranty: Wall Mounted bathtub faucet set, shower valve construction of heavy brass(handheld shower made from ABS plastic), modern and sleek looking,will be a attractive addition to your tub.
9.25 Inch Long reach spout tub filler,the tub spout reach from the wall about 9.25-inch(235mm),perfect for the freestanding tub,2.5 GPM at 72.5PSI high flow will fills your tub quickly.
3 Function powerful hand shower sprayer: It is so convenient having a spray handheld to clean out the tub and wash hair,3 modes massage ,rainfall and mix mode,makes bathing and shampooing super easy.
Easy to install: 2 holes wall-mounted,adjustable adapter legs distance from 5.3" to 6.5" ,come with 1/2" NPT male thread adapters and installation instruction.
High-quality configuration: Features Indication for hot/cold.
a built in backflow preventer on the hand shower model.
folding the spout to switch the water outlet between faucet and sprayer.
70.8 inch extra long length flexiable shower hose.

Backflow Preventer Consisting Of Two Independent In-Line Spring-Loaded Check Valves.
The product is manufactured in United States.

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.