Is it necessary to install a check valve in front of the water meter? Does the water company have a definite requirement?
UnnecessaryWater meter before the loss of running water, their own things, do not need customers to bearAfter the water meter is equipped with a small gate valve or a ball valve, it is convenient to repair and replace
UnnecessaryWater meter before the loss of running water, their own things, do not need customers to bearAfter the water meter is equipped with a small gate valve or a ball valve, it is convenient to repair and replace
To install a check valve, or, when the tap water supply, there is water in the pipe will flow back, but the water meter will not reverse, if there is air in the water pipe, this phenomenon continues to cycle, virtually increase the number of water charges
