Zurn rk34975xlc wilkins complete repair kit for models 975xl975xl2, 0. These are typically covered in blue rubber and are located before and after the actual backflow device. Watts backflow preventer repair kits grainger industrial. Sprinkler system backflow valve repair and maintenance tools. Backflow repair parts backflow repair parts allow you to keep your backflow device, a key part of your sprinkler system, running smoothly. Before determining whether to repair your sprinkler valve system, you must first check to see if there are any damaged wires or coils.
So simple to replace this assembly if your bell valve backflow preventer breaks, dont hire the plumber or the sprinkler company and send a few hundred dollars when you can by these replacement parts assembly and install it yourself in about 10 minutes. Fortunately, replacing a leaky antisiphon valve on your sprinkler system is a relatively easy diy task that you can perform. How to fix a leaking backflow preventer repair zurn wilkins 950. Troubleshooting irrigation sprinkler valves youtube. At greenside, part of our home sprinkler repair services include maintaining and upgrading backflow valves when needed. The valve is a little pricey, but really it is a good value.
Backflow preventer repair or replacement doctor sprinkler of. The crack is near the sprinkler valves outside the house. I needed to replace a unit installed outdoors, that had been left undrained through a 9 degree winter week cracked the housing. It is metal piping and its joint to the valve that seems to have cracked. This specialized valve ensures that your potable or drinking water source is not contaminated with debris or chemicals from the gardening area. Well i waited too long to winterize my sprinkler system, it got cold, and the water inside the backflow preventer froze. This will be more appropriate than repairing the components inside. By preventing it, you can keep all kinds of bad bacteria from making its way into our drinking water and causing sickness. When my new houses irrigations 2 month old backflow preventer was damage due to very unusual freezing weather that included rare snow, my irrigation installer was overwhelmed with repair requests.
Whether it is an commercial, industrial, residential, or institutional we offer whatever your need for cross connection or backflow protection. Learn how backflow check key tools make it easy and safe to service check valves in backflow preventers. How to replace the backflow valve on your sprinkler system. Backflow preventer devices are designed to protect. Dimensions 16 w x 20 h fit up to 14 wide backflow valves system. Water backflow can be damaging and harmful, we want to help you to stop it. Most backflow devices have a valve on the horizontal and vertical pipes. The pipes and joints seem to have cracked from the winter freeze for my sprinkler. My sprinkler guy wants to replace the entire back flow. Strange thing is, it is only on certain sprinkler zones that it is happening.
Sprinkler backflow preventer repair fix wilkins zurn 720a. Repairing the backflow valve can be done by changing the kit of the backflow sewer valve. I did as he suggested and two days later i had my repair. No patch you can apply will properly seal against expansion propagating through the patch material or breaking the patch material off eventually. The double check backflow preventer is the only true backflow preventer which does not have a vent to allow air to enter the lines or to allow water to.
However, backflow valves fail over time from daily wear and pressure water leaks commonly start between the covers connection point and valve body. This needs periodic replacement to maintain the moving parts, the internal seals and the springs of the valve. If the antisiphon sprinkler valve on your sprinkler system is leaking, you may be able to stop the leak by simply tightening the screws on the valve with a screwdriver. Preassembled plastic valves are constructed for reliability and are easy to install for a multi valve system. Sprinkler backflow preventer leaking and tips for fixing. Collins backflow specialists have been in business for over 25 years. Loosen both of the retaining nuts on the new backflow valve and place each of the two pipes into its respective hole. How to completely replace a lawn sprinkler febco 7651 bv pressure valve backflow preventer on pvc duration. Can i repair this crack in my sprinkler backflow preventer. Sprinkler backflow preventer leaking through the top on. This video shows the details of how a typical irrigation sprinkler control valve works, in an effort to help with investigation and troubleshooting of common home irrigation system problems. These valves are nice because they are relatively simple for a homeowner to maintain.
Addressing a sprinkler valve repair at the first signs of trouble can minimize damage to the lawn or prevent a significant waste of water. Replacing or rebuilding a lawn irrigation sprinkler valve. A double check backflow preventer is simply two springloaded check valves in a row, with a shutoff valve on either end and test cocks to allow the unit to be tested for proper operation. This device protects from backflow and back pressure. The valve internal parts are readily available, and easy to access. A backflow valve typically resides between your homes main water supply connection and your sprinkler system to prevent any backwards water flow. Double check valve backflow assembly dc the double check valve assembly may be used to protect against a direct or indirect cross connection, and may be used to protect against a pollutant non health hazzard only. Inside the control valve box, remove the wire connectors and disconnect the two wires on the defective sprinkler system solenoid from the common and field wires. Find easy to use, stepbystep instructions to programming your timer. Backflow preventer repair kits grainger industrial supply. Searching for watts backflow preventer repair kits.
Backflow valve repair, backflow valve replacement, and. How to repair the backflow valve on a sprinkler home. Try replacing the entire valve if your backflow valve body contains a crack. A backflow valve typically resides between your homes main water supply. Common causes of water backflow greenside sprinkler repair. When your backflow preventer is leaking from the vent at the bottom there is something you can do. The existing backflow valve will be fixed on the sprinkler hose using some kind of clipping or fastening. The backflow device is located above ground, with the valve at least 12 in. Protection winter insulated cover pouch for irrigation. Also, if a backflow is not properly winterized it can crack and fail resulting in the need for expensive backflow repair andor replacement. Best sprinkler valves for your yard the home depot.
Sprinkler backflow preventer repair fix wilkins zurn. After installation, you have to activate the sprinkler system and keep an eye on the backflow device. However, more often than not, a leak in an antisiphon valve will require that the valve be replaced. The following steps will help you determin which, if any, parts could be the root cause of your malfunctioning sprinkler system. I recently started up my sprinkler system and having got past the first hurdle replacing a valve, the backflow preventer is now causing problems by leaking a ton of water through the top. Searching for backflow preventer repair kit backflow preventer repair kits. Double check valve assemblies are another backflow device found on many sprinkler systems in the treasure valley. Also the backflow preventer is cracked and so is the shutoff valve. Backflow preventer devices are designed to protect your water system from potentially toxic pollutants, so it is critical to keep them operating properly. How to repair the backflow valve on a sprinkler home guides sf. I used shark bite instead of soldering the copper pipe back together sharkbite. Irrigation backflow preventers irrigation tutorials.
Two of the most common problems with a sprinkler valve are a failed solenoid valve wont turn on and debris in the valve or damage to the valve diaphragm valve. Make sure the pipe that was joined to the bottom of the original valve is attached to the same place on the new valve. How to protect your backflow during a freeze the masters. Sprinkler system backflow valve repair and maintenance tools javascript seems to be disabled in your browser. He suggested i order a repair kit and repair it myself. Sprinkler pressure breaker leaking home guides sf gate.
Rain bird rewards points now at sprinkler warehouse. Backflow testing and repair in meridian, boise, eagle. If you are replacing the backflow valve on your garden water sprinkler all you need to do is remove the existing faulty valve and put a new one in its place. One of the most important parts of any sprinkler system is the backflow valve, which protects your drinking water from being contaminated by yard or other chemicals that may flow backward in the sprinkler system. Turn the solenoid counterclockwise to unscrew it from the valve photo 1.
How to repair a leaking antisiphon sprinkler valve. One of my sprinkler valves cracked over the winter and i replaced it. Measure your backflow system before purchasing to make sure that this cover is suitable for your backflow valves system. The system is designed to break instead of cracking the whole unit.
The sprinkler system valve is open when the handle is parallel with the pipe. The water in the automatic sprinkler system might back up due to pressure changes in the city water supply or as various sprinkler zones start and stop, sustain damage or malfunction. If you are not sure the size or have any other question about our product, please feel free to email us, we are pleasure to help you. We price shop competitors to assure the lowest price so you dont have to. Its a fairly standard quarter turn ball valve, for permanent repair, take the union loose, remove the valve and replace with like.
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