Install the check valve in a garden pump

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Many well owners know the problem that the suction hose of the garden pump runs empty if it is not used for too long. The result of this is that the garden pump then hardly pumps any or even no more water to the surface. Often times, the solution to this problem is simply to add a check valve to the garden pump. In order for the check valve to work properly, however, you should pay attention to a few things.

With the check valve, the water flows smoothly.
With the check valve, the water flows smoothly.

What you need:

  • Check valve with suction filter
  • Teflon tape

How to assemble the check valve correctly

Installing a check valve in the garden pump is not particularly difficult in and of itself. Nevertheless, you should pay attention to the following things in order to ensure the correct function of your garden pump:

  1. Before you connect a check valve to the suction head of your garden pump, you should make sure that there is not already a check valve on the The foot of the suction line is mounted, as the simultaneous use of two non-return valves can impair the function of your garden pump.
  2. After you have checked this, you should open the non-return valve directly on the suction head or Mount it at the inlet of the suction line of your garden pump so that the pump housing cannot run empty.
  3. It is advisable to use a non-return valve with an integrated suction filter, which at the same time ensures that no dirt can get into the garden pump.

This makes your garden pump absolutely airtight

With a check valve you can connect the suction hose to your garden pump in a vacuum-tight manner. However, so that the pump really cannot draw air, you should pay attention to a few things:

Retrofitting a non-return valve on the water pump - this is how it works

Most of the higher quality water pump models are factory-fitted with a ...

  1. First of all, note that, even with an intact check valve, the water can drop back to the groundwater level over time if you do not use the garden pump regularly.
  2. To avoid this, you should generally connect any accessories to your garden pump do not use quick-release couplings, as these are often not one hundred percent tight conclude.
  3. It is also to ensure that the connection with the check valve becomes completely airtight It is recommended to wrap the threads with Teflon tape before screwing them in addition to seal.

Is the non-return valve correctly installed on the garden pump and are there any potentially air-drawing points sealed, the problem of sinking water in the suction line of the garden pump should be completely eliminated be. To keep it that way, you should dismantle the suction head with the check valve in winter and store it in the cellar until spring.

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