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>> >>The pressure guage doesn't appear to move at all when >>water isn't running. When my sprinkler system is on >>the guage hits 40 and the pump turns on until it gets >>to approximately 70 and then turns off. It clanks 4 >>times when it shuts off. >> >>Any idea what is wrong with my well? > >Nothing wrong with the well. Could be something wrong >with the tank. If the tank isn't "waterlogged" meaning >that the cycle is too short, then there is a balancing >problem. > >Let's look at waterlogging first. You should have a >faucet you can use. Depending on the size of the tank, >you should be able to get quite a few gallons out of >it before the pressure drops to where the pump turns >on. But you have to observe things while they are >"normal" to see if something is different now. > >Is this something new? Was this happening before? Or >are you a new owner and are seeing this system for the >first time and think there is something wrong? > >From here on, I'm assuming that you are new to this >system and the tank isn't waterlogged. > >The gauge shouldn't move at all when the water isn't >running and if the pump isn't running. > >When the sprinkler system comes on, the pressure >should drop. At about 40, the pump should turn on. If >the system is balanced properly in that the water >being used is the same as the water being produced by >the well, the pressure should stay down and the pump >running until the sprinkler system goes off. When the >sprinkler system goes off, then the pressure should >start building until it reaches 60 (or 70 if the gauge >or switch is a little off) and then the pump should >turn off. > >The clanks, I don't know about. > >So what is wrong with the system? Pump is too powerful >or not enough sprinkler heads (usage). This puts too >much water in the tank so the pressure builds up until >the pumps properly turns off. A pump running for a >long time is not a bad thing. What wears out a pump >prematurely is turning on and off. > >In this case adding more sprinkler heads or a Cycle >Stop Valve would solve the problem. One way expands >the usage and the other reduces the input. > >Or the tank can be eliminated since it isn't needed >for irrigation. Very few sprinkler systems around here >have tanks because it really complicates something >that can be simple. Rather than the pressure switch >turning the pump on and off, the sprinkler system >controller box and a relay does the job. > >If the tank is hot and needs replacing, consider >eliminating it.

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