Irrigation System Backflow Preventer Leaking

The backflow valve is normally located between the water supply connection and the sprinkler system in your home.

Irrigation system backflow preventer leaking. There is no one reason for backflow preventer leaks. Before i had chance to blow the water out of the lines during an unexpected frost the outside backflow started gushing water. Springtime is here and time to fire up my irrigation system only to discover that the backflow prevention check valve is leaking a strong stream of water. Leaking at the backflow preventer posted in irrigation devices a common concern for owners of irrigation systems is the discharge of water from the back flow preventer.

Another cause for leaking might be damage to certain parts which can happen no matter how old the device is. This will also ensure that your drinking or potable water supply shouldn t be contaminated with chemicals or debris from the garden. Some municipalities do not allow the use of anti siphon valves so it is best to check with the water company first. Repairing your backflow valve involves basic.

For instance it may freeze during the winter and be damaged when it s turned on afterwards. If you have hired a plumber lately you know that they are most likely going to charge you a minimum trip charge just to stop by most likely around 150 00. This is intended to prevent any flow of water from going backward. If it is placed upstream from a timer and the system is not being used but the hose is on pressure will build up which can damage the backflow preventer.

However backflow valves fail over time from daily wear and pressure water leaks commonly start between the cover s connection point and valve body. I live in woburn massachusetts and have searched loew s and home depot for these. Another cause for a leaking backflow preventer is incorrect placement in the head assembly. I have a conbraco sprinkler backflow preventer size 1 mod pvb ser vp728.

I hoping to find a repair kit since after searching the web high and low i could not find my same model. There are two main reasons this will occur. If your sprinkler system s backflow preventer is leaking at the moment call a licensed plumber to fix it for you. All that said how can leaks be fixed.

Anti siphon valves are the most common type of backflow preventer used on residential irrigation systems primarily because they are simple and inexpensive.