![ThermoDrain 46.1% Drain Water Heat Recovery Unit](http://shop.buildwithrise.ca/cdn/shop/products/46.0_EffDrainWaterHeatRecoveryUnit4InchDrainWithPex_17ef0c6f-4e26-4fd9-90f8-1c55d9d9ccf3_700x700.png?v=1631294462)
![ThermoDrain 46.1% Drain Water Heat Recovery Unit](http://shop.buildwithrise.ca/cdn/shop/products/download_1_42b9c156-18dc-4029-8474-41fe900a7554_440x440.png?v=1631294462)
![ThermoDrain 46.1% Drain Water Heat Recovery Unit](http://shop.buildwithrise.ca/cdn/shop/products/download_2_c35d7f4b-4364-4bfd-8e76-b406c940337f_440x440.png?v=1631294462)
ThermoDrain 46.1% Drain Water Heat Recovery Unit
This energy-efficient heat recovery technology will give you more hot water for showering by increasing your hot water heater capacity. The ThermoDrain transfers the waste heat energy going down the drain to preheat incoming cold water. The heat transfer is done using the latest technology in double-wall heat transfer. The more hot water you use, the faster it pays itself off, and the more you will save on your energy bills and help the environment. The ThermoDrain is easy to install and comes with factory-installed crimp PEX fittings and almost everything you need for an effortless installation. It is also compatible with any water heater. ThermoDrains efficiency has been tested in accordance with the CSA B55.1 standard and independently verified by Intertek.