To extend the life of the device,

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Taps are necessary for disconnecting equipment in case of its periodic use or for maintenance and repair during continuous operation.

A check valve is installed at the inlet of the water heater. It is designed to protect the device from overheating or excess pressure. In addition, if the cold water supply is interrupted, it will prevent it from flowing out of the boiler.

it is also recommended to install a filter. In practice, this all happens as follows:

We connect the device to the cold water pipeline. To do this, we need to screw the tee onto the inlet pipe of the tank. Do not forget about the sealing tape-FUM or tow with silicone.
We install a tap on the side branch pipe of the tee, which will work as an emergency drain. Experts recommend installing this part, since the standard drain hole of the heater is often very small and the draining procedure can take several hours.
We install a non-return safety valve on the lower romania mobile database of the tee.
At the bottom of the structure we install a shut-off or cut-off valve.
We install a threaded adapter and use it to connect the cold pipeline to the boiler.
We connect hot water. First we install a shut-off valve.
We connect the tank to the pipeline using a threaded adapter.

The general diagram provided is intended for connecting pressure models. If a non-pressure device is being installed, we act a little differently.

In this case, we will connect the device to an auxiliary tank, which is used as a storage tank. It should be installed at a height of at least 2 m from the top point of the heater.