Drain Waste Heat Recovery System

This warms the tank water which rises to the top.

Drain waste heat recovery system.

Thus it enters the water heater pre warmed and will take less heat energy and money to get it up to temperature. Reduce costs and emissions in commercial establishments. Some of these devices may even store the water in a tank heating it while it is standby by flowing warm drain water in the bottom. This is a simple diagram of how a drain water heat recovery system works diagram courtesy of ecodrain.

Drain water flows through a spiral tube at the bottom of the heat storage tank. According to csa testing with the r3 60 performance is proportional to rated efficiency. In a gravity film heat exchanger gfx drain water flows through a copper pipe that is wrapped in smaller diameter copper tubing. Horizontal drain water heat recovery dwhr system for main drain lines the ecodrain b1000 is the only drain water heat recovery system specificially designed for main drain lines.

Drain pipe and requires a vertical drain pipe length between fittings of 63 in. The power pipe drain water heat recovery system is an effective way to reduce water heating costs by 20 to 40 and continue saving throughout the entire building lifecycle. Water heater intake water is preheated by circulation through a coil at the top of the tank. All residential r series units include matching drain connectors and connect easily to a 3 4 in.

Water heating accounts for approximately 20 to 30 percent of household energy demand. It works even better when the incoming fresh water is already warm. Non storage systems usually have a copper heat exchanger that replaces a vertical section of a main waste drain. The efficiency of your water heating system goes up and your water heating bill.

It is the ideal solution for saving energy in single story homes homes built on crawl spaces and manufactured homes. Heat from the drain water is transferred to incoming water. A drain water heat recovery unit increases its heat potential the more drain water there is the system demands less energy.