The installation of a water heater can be divided into three stages: fastening, connecting pipes, and connecting to electricity.
Fastening
Storage water heaters with a capacity of more than 50 liters must be mounted on load-bearing partitions made of brick or concrete. When the tank is filled with water, the load will be significant. When installing, you need to ensure that water and steam do not get on the control unit. It should also be convenient to use the boiler: for example, set the temperature on the control panel.
If you install it in a niche, you need to leave a gap of 2-5 cm from the edges to make maintenance convenient. The gap from the ceiling should be 5-7 cm, otherwise it will be difficult to hang the water heater. Technological gaps are specified in the manufacturer’s instructions.
The boiler is attached to the wall using hooks or anchor bolts, which are included in the kit.
Connecting pipes
Any type of pipe can be connected to the water heater: polypropylene, metal-plastic, metal, polyethylene.
The boiler has two pipes for hot and cold water. On the body they are marked red and blue respectively. A tee is connected to the cold water pipe . A safety valve (included with the water heater) is connected to the lower branch of the tee, and a ball valve is connected to the side branch to drain the water from the tank. To make it convenient to drain the water into a bathtub or, for example, into a bucket, a hose nipple is screwed into the tap.
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When heated, the water expands and excess pressure is created in the tank. To prevent the water heater from bursting, the manufacturer has provided a safety valve . When the pressure exceeds normal, the valve opens and releases excess water to the outside. To prevent water from constantly dripping from the valve, a capillary tube is put on its spout , the other end of which is led into the sewer. To do this, a tee with a plug is installed on the sewer pipe, a hole is drilled in the plug for the tube, it is inserted and foamed with mounting foam.
Also, to reduce the pressure, if your apartment is on the lower floors of an apartment building, you can install a pressure reducer in front of the entrance to the water heater .
Also provide shut-off valves that will shut off the water supply to and from the boiler. Such valves will be useful for servicing the water heater when it needs to be removed.
Connecting to electricity
It is not advisable to connect a water heater, just like an electric stove, to a circuit where other consumers are already powered: for example, a washing machine or a dishwasher. It is better to plan a separate outlet for the water heater.
Most water heaters are now equipped at the factory with built-in protective shutdown devices, which are located directly on the wire – RCD. The RCD will turn off the boiler if there are problems in its electrical system.