Electric water heaters are very popular today. One of the main advantages of this equipment is that they can be used independently from centralized heating system regardless of presence or absence of hot water.
Electric tankless water heaters
Operational concept. Water is heated, flowing through the whole system. When installing, it is necessary to take into account the voltage of electricity. All indicators must meet instruction’s rules and regulations.
It is important! The device requires a special socket connection. The maximum temperature of heated water is 35 °C.
Connection of water pipes is a hard work. For correct disconnection of water heater from network, it is important to have a safety device or main switch. The distance between contacts must be not less than 3mm.
Electric storage water heaters (boilers)
Boilers are designed for heating of large quantity of water. The main feature is vast tank. Water is supplied from water pipe under the pressure. The heating process begins after the overfilling of reservoir.
The boiler must be mounted near the water-supply point. It is also important to control the temperature in the room.
In order to carry out the installation of tank water heater, it is necessary to install stopcoks to hot and cold water supply systems. Then flexible hose and overpressure protection valve are installed.
Electric tank and tankless water heaters
Water heaters of mixed type heats water several times faster than storage water heaters. They are usually installed there where there are no problems with water pressure. Otherwise, tank and tankless water heater will operate like usual boiler.
Tank and tankless water heater can be installed both above and under the sink. Both options can be found in the instruction attached to the device.
Installation above the sink
First what you need are wall brackets and fastening screws, connection nipples and union nuts. Check joints for leaks.
Installation under the sink. In case of water heater of open type, it is necessary to install valving. Then T-branch is connected to corner tap of cold water.
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