How to Install a Tankless Electric Water Heater
Electric instantaneous water heaters are compact and energy efficient, allowing them to heat only the amount of water required. They also eliminate stand-by energy losses and are ideal for small households or point-of-use applications.
The operating costs of an instantaneous water heater vary depending on the model you choose. They are determined by how much electricity is used, which is measured in kWh.
They are energy efficient
If you want to save energy and money, an electric tankless water heater is the right choice. It uses less fuel than a conventional storage water heater, and its energy efficiency is rated by the Energy Star program. It is also easy to maintain and install, making it a convenient alternative for homeowners. Its design is compact and uses a built-in self-modulating technology to adapt the electrical consumption to your household water usage.
Its ability to heat water on demand is a big advantage over traditional storage tanks, which are not as energy efficient. The energy cost to operate a tankless water heater depends on local natural gas rates and electricity rates, as well as your home’s peak demand. Peak demand is the sum of all the faucets and appliances in your home that could be running at the same time. This includes bathing, laundry, dishwasher and kitchen sinks.
The best way to minimize your energy costs is by reducing peak demand, such as by installing low-flow fixtures and appliances, or by holding off on washing and showering until the sun comes out. You can also reduce peak demand by using a combination of solar heating and a tankless heater. These solutions will help you achieve a payback in two years or less, and reduce your energy costs by up to 20 percent.
They are compact
Electric instantaneous heaters (also known as tankless) provide a constant supply of hot water without the need for a storage tank. When you turn on a tap, cold water moves through the unit kitchen water heater and an electric heating element heats it instantly. This system is energy efficient because it doesn’t have to heat and maintain a large tank of water at a high temperature.
It also saves space, because it doesn’t need a ‘boiler cupboard’ like a traditional water heater. This is especially useful in flats and smaller houses, where space is limited. Additionally, it can reduce plumbing installation costs. It is also environmentally friendly, because the instantaneous heater is situated close to the outlet(s) it is serving, rather than a central boiler which runs off several metres of pipework full of cold water that must be emptied and replaced each time it is used.
Single-phase electric tankless heaters are powered by a dedicated electricity circuit that must be correctly sized and connected to a suitable Mini Circuit Breaker (MCB). It is important to consult electric boiler water heater an electrician to ensure the system can operate safely and at the required power rating. Once installed, a tankless system can be easily controlled from the breaker panel and is simple to repair or replace when necessary.
They are easy to install
When installing a tankless electric water heater, you should follow the manufacturer’s instructions for proper installation. This will ensure that all electrical connections are properly wired and positioned, which prevents damage to the unit. You should also inspect the plumbing connections for leaks. You should also install a flow valve on the hot water side of the unit. This allows you to shut off the heater when necessary, preventing damage to your home. Moreover, you should install a pressure relief valve on the cold water side if required by your local plumbing codes.
Before starting work, make sure to turn off the gas and water supply to the unit. This will prevent any accidents while you’re working. It’s also a good idea to check that your electrical service panel can handle the power needs of the heater. You should also consult your insurance provider about whether or not your policy covers water damage.
When the plumbing connections are complete, you can connect the gas line. You should use thread sealant designed for gas lines when making these connections. Then, install a tee in the pipe and branch it so that one side goes to the heater, while the other goes to the faucet. You should also insulate the hot water pipe.
They are safe
Electric instantaneous water heaters are safe if you follow a few simple rules. For one, make sure that the water heater is properly installed and in a good location in your home. It should not be located near flammable materials. In addition, you should conduct regular routine checks to minimise electrical damage. If you have an electric tankless water heater, it is especially important to check the power connection regularly.
If you don’t, it may cause a fire in your home or lead to an explosion. In the past, water heaters have been responsible for fires, explosions and even deaths from electrocution. Talking Point programme host Steven Chia investigated how such incidents could happen and what can be done to prevent them.
The safety features of an electric instantaneous water heater include a residual current circuit breaker (RCCB), which cuts off the power supply if it detects a leak of electricity in your wiring. In Singapore, all water heaters must be fitted with an RCCB. But, according to Peck, most people don’t check if their water heaters have this mark. And nine times out of 10, he says, they use unlicensed workers to install them.
In addition, an instantaneous water heater must be situated close to the outlet it’s serving. If it’s too far away, the performance of the system will suffer. If this is not possible, you can consider getting more than one instantaneous water heater in your home to serve different outlets.