Passively Recovering Waste Heat Energy With Every Shower

Recoup Drain+ Duo HE

The Recoup Drain+ Duo HE integrated wet-room drain offers the highest efficiency, up to 57%, for a horizontal Waste Water Heat Recovery system for Showers (WWHRS). Comprising a double-walled heat exchanger with no moving parts, no exchanger maintenance or end-user interaction.

The Recoup Drain+ Duo HE integrated wet-room drain offers the highest efficiency, up to 57%, for a horizontal Waste Water Heat Recovery system for Showers (WWHRS). Comprising a double-walled heat exchanger with no moving parts, no exchanger maintenance or end-user interaction.

Ideal for residential self-build and renovation projects, leisure clubs, gyms, nursing homes, holiday parks, hotels, student accommodation, ground floor or any walk-in shower installations. This WWHRS is available with either the contemporary brushed stainless steel ‘Quadratto’ cover plate, or the minimalistic ‘in-line’ tile cover plate.

Ideal for residential self-build and renovation projects, leisure clubs, gyms, nursing homes, holiday parks, hotels, student accommodation, ground floor or any walk-in shower installations. This WWHRS is available with either the contemporary brushed stainless steel ‘Quadratto’ cover plate, or the minimalistic ‘in-line’ tile cover plate.

Features and benefits

  • Horizontal WWHRS – integrated shower drain for wet-rooms
  • Patented, double-walled heat exchanger
  • KIWA validated efficiencies of up to 57%, dependant on flow rate
  • In-line tile or Quadratto cover plate options
  • Built-in shower trap
  • Legionella control risk assessed
  • Option of 3 system installation variations
  • High quality manufacture
  • Virtually maintenance free
  • SAP listed

Product application

Bungalows or ground floor, Apartments, Commercial properties Product Application

Product diagram

Recoup WWHRS Drain+ Duo HE Diagram

Data & Specification

Specification details

Description Value Unit
Minimum depth for installation 180 mm
Overall width for installation 866 mm
Material – Heat exchanger Copper  
Shower flow rate 5 – 12.5 litres/min
Max. Mains water inlet pressure 10 bar
Min. Mains water inlet pressure 1 bar
Max. Waste water working temp 85 °C
Mains water connection ½” male BSP
Waste water connection 40 – 43
mm
Weight (Boxed) 21 kg
Water volume – mains water 1.42 litres

 

Performance & efficiency

Shower Flow Rate @ 40°C ( litres/min )

dRAIN+ DUO  HE efficiency ( Recovered energy kWh )

System A System B System C
5.8 57.4% (6.97)    
9.2 57.3%(11.03)    
11.0 56.7%(13.05) 44.9%(10.34) 49.2%(11.33)
12.5 56.4%(14.76)    

 

Pressure drop on mains water circuit

Shower Flow Rate @ 40°C (litres/min)

dRAIN+ DUO HE Pressure drop ( bar )

System A System B System C
5.8 0.14 0.08 0.06
9.2 0.32 0.20 0.13
12.5 0.54 0.34 0.22

Technical information and downloads

Recoup Drain+ Duo HE & In-line tile cover plate (+55mm Syphon) drawingRecoup Drain+ Duo HE & In-line tile cover plate (+55mm Syphon) drawing

Recoup Drain+ Duo HE & In-line tile cover plate (+55mm Syphon) drawing document.

Download Here…

Recoup Drain+ Duo HE & Quadratto cover plate (+55mm Syphon) DrawingRecoup Drain+ Duo HE & Quadratto cover plate (+55mm Syphon) Drawing

Recoup Drain+ Duo HE & Quadratto cover plate (+55mm Syphon) drawing document.

Download Here…

Recoup Drain+ Duo HE installation and dataRecoup Drain+ Duo HE installation and data

Guide to the installation, product details, performance and operation of the Recoup Drain+ Duo HE product.

Download Here…

Recoup WWHRS BrochureRecoup WWHRS brochure

Recoup's Waste Water Heat Recovery System (WWHRS) Brochure and Portfolio to download, save, print or share. Provides background information on WWHRS and why to use it, SAP assessment, SBEM, BREEAM, Passive House, all product options, features, benefits, installation methods and links to additional useful information. Download here...

Recoup WWHRS brochure

Recoup WWHRS BrochureRecoup's Waste Water Heat Recovery System (WWHRS) Brochure and Portfolio to download, save, print or share. Provides background information on WWHRS and why to use it, SAP assessment, SBEM, BREEAM, Passive House, all product options, features, benefits, installation methods and links to additional useful information.
Download here...

Recoup WWHRS brochure

Recoup WWHRS Brochure

Recoup's Waste Water Heat Recovery System (WWHRS) Brochure and Portfolio to download, save, print or share. Provides background information on WWHRS and why to use it, SAP assessment, SBEM, BREEAM, Passive House, all product options, features, benefits, installation methods and links to additional useful information.
Download here...

Pin It on Pinterest