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Water Hammer while turning Sprinkler Valve On (Zone 1 & 2 only) - DoItYourself.com Community Forums

Water Hammer When Sprinklers Turn On. Turn on the sprinkler heads and as well as the pipe that is producing the noise. Rejoin the sprinklers and power on the sprinkler system after the air has been drained out. Over the weekend i turned on my lawn sprinklers. Either way, cracking the valve and letting the system fill slowly for a few minutes will decrease the hammer. First, let’s discuss what a water hammer is.

So the pressure drops to 20, and since you have 25 psi air in the tank, when it passes through 25 the bladder on the tank bottoms out and causes a water hammer. When water is cruising through pipes at a high rate of speed and is suddenly stopped by a valve closing, all that mass slams against the valve. Water hammer can occur in any plumbing system.

However, this has just started recently and doesn't happen each time the sprinkler comes on. It requires a fast closing valve. Water hammer can occur in any plumbing system.

The lawn irrigation line has a check valve. However, this has just started recently and doesn't happen each time the sprinkler comes on. Ideally, this should be done at the time water hammer is most prevalent in the system.

First, let’s discuss what a water hammer is. But when the timer kicks in, i can hear. However, when it goes from zone 4 to zone 5 there is about 5 seconds or so of loud banging noises.

We have lived in our house for 20 years and the sprinkler was there when we. When water is cruising through pipes at a high rate of speed and is suddenly stopped by a valve closing, all that mass slams against the valve. Water hammer can occur in any plumbing system.

Either way, cracking the valve and letting the system fill slowly for a few minutes will decrease the hammer. When i turn the valves on manually, i get a much less annoying noise that can barely be heard. It appears the sprinkler supply line is missing a check valve to prevent backflow from.

Ideally, this should be done at the time water hammer is most prevalent in the system. Clear the air to prevent water hammer from occurring. When i turn the valves on manually, i get a much less annoying noise that can barely be heard.

When the sprinklers are running restrict this ball valve until you see the sprinkler pressure dip. We have lived in our house for 20 years and the sprinkler was there when we. Turn the solenoid counterclockwise to take it out the valve.

Either way, cracking the valve and letting the system fill slowly for a few minutes will decrease the hammer. When the valve closes, the momentum of the flowing water is stopped, resulting in a high (or higher) pressure wave/spike. To do that you need to reduce the number of sprinkler heads the valve operates.

Also referred to as hydraulic shock, it’s caused by an increase in pressure when a faucet, valve or water appliance is shut off. And the fire sprinkler line is direct off of city line with no valves at approx. But when the timer kicks in, i can hear.

Take the faulty solenoid to your local home center and get a replacement that matches its brand and model. Signs of a water hammer: Pipes shuttering (water hammer?) when sprinkler running.

When the valve closes, the momentum of the flowing water is stopped, resulting in a high (or higher) pressure wave/spike. So the pressure drops to 20, and since you have 25 psi air in the tank, when it passes through 25 the bladder on the tank bottoms out and causes a water hammer. Place the new solenoid in the valve and turn it clockwise until it.

To do that you need to reduce the number of sprinkler heads the valve operates. That will reduce the velocity and the water hammer will stop. Shut off your sprinkler’s water supply.

Turn on the sprinkler heads and as well as the pipe that is producing the noise. However, when it goes from zone 4 to zone 5 there is about 5 seconds or so of loud banging noises. We typically use earthquake bracing, required or not, throughout the feed main piping, where we have a 90 and turn directions.

When the valve closes, the momentum of the flowing water is stopped, resulting in a high (or higher) pressure wave/spike. Disconnect the bad solenoid’s wires to the rest of the systems’. If the water hammer disappears, ensure the second valve you install has the same number of sprinklers or fewer than the original.

This only happens then the water is running and it does it on all 4 of my zones. Turn the solenoid counterclockwise to take it out the valve. If the water hammer disappears, ensure the second valve you install has the same number of sprinklers or fewer than the original.

As the valve is filling the pipes in the yard the hammering starts and always stops when the first head of the zone pops up. It sounds like the pressure might be the culprit. Then, let the water run freely through the pipes.

But, when it runs on the timer, i get a very loud hammering / thumping noise. Pipes sometimes bang when sprinkler system comes on i've done a search and understand the problem is likely water hammer but am at a loss what is causing it. I get some noise when i turn the valves on manually.

Using 1 on supply going to the zone valves 1 and 2 doesn't buy you anything. Turn the solenoid counterclockwise to take it out the valve. My guess would be that the zone 4 valve is shutting off too fast for the newly.

It requires a fast closing valve. The only time the noise occurs is when the sprinklers turn on. First, let’s discuss what a water hammer is.