Feature(may vary by option.)

●Size: 1/2" Female G thread to 1/2" Male G thread, Straight Thread. Allow water flow from 1/2 inch Female thread to 1/2 inch Male thread. Backflow preventer.
●Material: Brass. Will not be easily corroded.
●Function: Mainly used for water flow in one direction. Water is only allowed to flow in one direction to prevent accidents caused by water backflow.
●Application: Used for water tower, water heater and toilet.
●Installation Tips: When purchasing and installing, pay attention to the flow of liquid. If the installation is reversed, water will not come out.

[1  & 2   Male to 1  & 2   Male Brass(1 Pack)]




[1  & 2   Male to 1  & 2   Female Brass(2 Pack)]




[1  & 2   Female to 1  & 2   Male Brass(2 Pack)]




[1  & 2   Male to 1  & 2   Female Brass(1 Pack)]




[1  & 2   Male to 1  & 2   Male Brass(2 Pack)]




[1  & 2   Female to 1  & 2   Male Stainless Steel]




[1  & 2   Female to 1  & 2   Male Brass(1 Pack)]





Description

Do you have the following troubles?

The toilet water flows back into the water pipe, causing the situation that the kitchen faucet bleeds blue water.

The hot water inside the electric water heater backflows, causing its dry burning or even explosion.

Solar hot water flows back to the water tower, resulting in wasted hot water energy.

You need a check valve to prevent water backflow. Only allow water flow in one direction.

Package: 1 pack

Type: male to female, female to male and male to male. Please pay attention to the flow of the liquid. Size: 1/2 inch

Warm Tips :The product is G thread, straight thread(Not NPT), please check your need before purchasing.