Shower Drain Heat Recovery System

Drain water heat recovery technology works well with all types of water heaters especially with demand and solar water heaters.

Shower drain heat recovery system. Drain water heat exchangers can recover heat from the hot water used in showers bathtubs sinks dishwashers and clothes washers. This is because it is the perfect eco solution for so many reasons be it used for new build compliance through sap sbem or breeam or for retrofitting existing constructions such as homes hotels or commercial buildings which in turn reduce the hot water costs of high traffic areas or hard. Reduce operating costs energy use and greenhouse gas emission. Zypho is a patented concept of shower water heat recovery.

Drain pipe and requires a vertical drain pipe length between fittings of 63 in. Up to 30 of savings on your energy bills and a 2 year payback safe robust. Showersave is a waste water heat recovery system wwhrs for showers in new builds existing homes commercial buildings social housing. The energy department estimates that energy losses in hot water amount to 80 to 90 a good argument for installing a drain water heat recovery dhr system.

View pdf 332 kb. All residential r series units include matching drain connectors and connect easily to a 3 4 in. Heat from the drain water is transferred to incoming water. Preheated water goes to the shower mixer and consequently a smaller volume of hot water from your heating device is needed to reach an appropriate shower water temperature which literally means that less energy is used.

In a gravity film heat exchanger gfx drain water flows through a copper pipe that is wrapped in smaller diameter copper tubing. They generally have the ability to store recovered heat for later use. Waste water heat recovery wwhrs is one of the fastest growing energy efficient products in the uk. Drain water heat recovery systems capture lost heat from hot water going down the drain and uses it to pre heat cold water entering your water heater as illustrated in the diagram to the right.

After having passed through the heat exchanger cool drain water then exits into the drainage system. According to csa testing with the r3 60 performance is proportional to rated efficiency.