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The cost of repairing a bore depends on many factors, and can range anywhere from a couple of hundred to many thousands of dollars.
Our expert technicians can give you a free quote and evaluation.
We will also let you know if your insurance company might be able to help you out with the cost.
This depends on what the problem is and how much the bore pump is worth as to whether it is possible or worthwhile.
Electrical failures on submersible pumps cannot be fixed as the motors are a waterproof unit and if they are opened, they become unusable.
With centrifugals, sometimes they can be rewound, but then the cost needs to be considered as it may be close to the cost of replacement, so a new pump would be the best solution.
If it is a very expensive old Stalker, then it becomes more financially viable to consider a rewind of the motor.
There are a lot of other faults that can happen and each one needs to be considered on its independent merits. Our experienced technicians can provide a free quote and advice on the best course of action for you.
This is a problem that mostly occurs with centrifugal bore wells as they need to have water in them and in a constant flow down to the water table.
This water seal (prime) is held in place by check valves, PVC pipe with glued joints, threaded fittings, pump impeller housings and mechanical seals.
Also the water supply (screen) and depth to water can play a part, especially if there is sand or rust getting pulled through the check valve.
We would need to have a look to give you a better idea as to what is going on with your pump in particular, as technically this should not be happening.
This depends on a few things. To install, you will need a drill rig, but even if it is just a repair job, whether the bore is a submersible or centrifugal, you will need to be electrically licensed to do the job legally. If the bore is centrifugal and deeper than 1.8 meters, you will need a second person, and you will both need working at heights and confined spaces tickets.
People have died working on centrifugal bores, and they require a lot of equipment to be worked on safely and legally. If it is a submersible bore and you have an electrical license, you will want to be familiar with bore pump models, as there are thousands of them. You should also be familiar with submersible heat shrink or epoxy kits.
You will want to be sure of the diagnosis and potential causes of the damage, so it does not happen again due to a fault on the solenoid wiring or iron bacteria blocking up the screen.
On a new install, you will want to correctly spec the pump as a pressure and flow water supply to the system and, depending on the bore pump you choose, what safety features you need to install. For instance, if it is a Grundfos SQ, it will be less important to have a pressure release valve in case of a solenoid failure, as it has its safety features built into the electrics of the pump.
A new install will likely last decades. This varies on a few things like how much water is being pulled through the screens, if the water is heavy with sediment, and if you have used a PVC or a stainless steel screen. If the screen is stainless steel, it will last longer but be more expensive at the installation.
Trees can also bring bore wells to an untimely death as their roots crush the construction, making it impossible to get a pump up or down the well. Additionally, if a tree’s roots infiltrate the screen itself, you may experience blocking issues over time.
There is natural movement of the water table from the beginning of summer to the end. Additionally, there is variation due to a large volume of water being pumped from the water table. As a result, you will want the bore well drilled to a depth of 12 meters into the water table.
This allows the pump to be placed above the screen, so water is still being pulled over the motor to keep it cool, preventing overheating and decreasing its life expectancy. It also positions the pump 5 or 6 meters below the top of the water, allowing some drawdown while it is running and accommodating water table movement.
Different areas in Perth have been affected differently by the increased use of bore wells, but the process is being monitored and managed by the WA Government. To date, it has not had a major impact on most areas of Perth.
You can look up the depth to water at your property HERE.
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