Solar Water Heating Combi Boiler
Rather than running on gas which is common place in the uk an electric combi boiler heats water for central heating and domestic hot water using only electricity.
Solar water heating combi boiler. A twin coil solar cylinder will normally adequately control legionella risk if the boiler heated section of the cylinder is heated daily to 60c for 1 hour and the water is resident in the boiler heated section for 24 hours which happens if the boiler heated volume is greater than the daily hot water use. Or if you are aiming for complete sustainability thermodynamic panels can complement the hot water system. Electric combi boilers don t take up as much space as gas boilers have fewer moving parts and don t require an annual service. The solar water heating system works all year round although you will need to heat the water with a boiler or immersion heater during the winter months when the solar energy is not available.
Feeding solar heated water to a combi boiler introduces a risk that the water feeding the boiler could have spent time at temperatures that allows the legionella to multiply. What is an electric combi boiler. The rheem combination boiler. Solar pv systems generate electricity that can be used to reduce the boiler s running costs while solar thermal uses energy from the sun to heat water providing domestic hot water and solar central heating system.
The solar thermal panels located on the roof have a fluid within them that gets heated by the sun. As solar panels heat water across a day and not necessarily when there is hot water demand the need is still there to store solar heated water until you are ready to use it. It can deliver up to 9 2 gallons per minute of water. Historically it was difficult to integrate solar water heating with a combi boiler as by definition combi s heat water instantaneously therefore do not require hot water cylinders.
This fluid then circulates down to the water tank and around a coil heating up the water in the hot water tank. Highly efficient our combi boilers package endless hot water with space heating all in a single unit so you can replace your existing boiler and tank water heater with a single unit. Combi boilers combine space heating and hot water supply in one high efficiency appliance providing a space saving choice. The proline xe combi boiler boasts industry leading hot water delivery and up to 74 more space heating capacity than other combi boilers ensuring that you are always comfortable.