1/4 Inch Brass Check Valve, 1/4" Female to 1/4" male Thread Check Valve One Way Non-Return Valve for Water Oil Gas Check Valve,Non Return One Way Prevent Backflow 1PACK (1/4" Inner to Outer)

"This product is designed for low-pressure and low-pressure loss applications, making it suitable for installation on hot water heaters. It can prevent hot water that has been heated in the water heater from flowing out in vain after the water is shut off. Furthermore, it can prevent uneven pressure between hot and cold water, which makes it difficult to adjust the water temperature. With this product, you can have a more worry-free and comfortable water use experience!""This product is suitable for automatic water supply for hot water heaters, water tank towers, and toilet water supply in households. Water outage may cause water in the water tank and toilet to flow back into the water pipe, causing secondary pollution. Emptying the water in the hot water heater can cause it to dry burn, which is not only costly but also poses a safety hazard."Instructions: Do not overtighten. Tighten gently with a wrench. Over-tightening may damage brass threads or fittings.

• ★Made of brass, this valve is corrosion-resistant and can withstand high temperatures. It can handle a maximum working pressure of 200PSI.
• ★This valve allows for one-way flow from a 1/4" Female to 1/4" male thread. Please verify the correct direction before purchasing and installing, as water will not flow if installed in reverse.
• ★Used primarily to regulate water flow in one direction and prevent accidents caused by backflow.
• ★This check valve ensures that medium in the pipeline flows in one direction and can be used for transmitting gas and liquids under constant pressure. It can be installed horizontally or vertically.
• ★Versatile and adaptable to a range of environments, this valve is suitable for use in water heaters, tanks, towers, toilets, garden hoses, RVs, as well as landscape sprinklers, swimming pools, water parks, aquariums, and more.