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Drain water heat recovery systems uses the heat of the waste water to preheat the fresh water. This is one of the few ways to reduce the energy needed to heat water without sacrificing comfort. For more on passive heat recovery from wastewater, see Passipedia
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名称	能效阶级	Nominal Efficiency	Dead Time	流量	压力损失	Drinking Water	废水	气候区	Location/Avaliability	数据认证
组件制造商
showerpipe VX 2100 Twin-HE Counter Flow Products B. V.	phA+	77%	10 s	8 l/min	0.12 bar	Rp 3/4" male	DN 50	独立	NL \| AT \| BE \| CZ \| DE \| ES \| FR \| HU \| LU \| NO \| SK	Dec 2023
showerpipe VX 2100 (Turbo Rotator) Counter Flow Products B. V.	phA	68%	5 s	8 l/min	0.29 bar	Rp 1/2" female	DN 50	独立	NL \| AT \| BE \| CZ \| DE \| ES \| FR \| HU \| LU \| NO \| SK	Dec 2023
showerpipe XV 1700 Counter Flow Products B. V.	phA	63%	5 s	8 l/min	0.21 bar	Rp 1/2" female	DN 50	独立	NL \| AT \| BE \| CZ \| DE \| ES \| FR \| HU \| LU \| NO \| SK	Dec 2023
Easyfit 1200 Counter Flow Products B. V.	phB	50%	15 s	8 l/min	0.2 bar	Rp 1/2" male	DN 50	独立	NL \| AT \| BE \| CZ \| DE \| ES \| FR \| HU \| LU \| NO \| SK	Dec 2023
Recoup Easyfit+ Recoup Energy Solutions Ltd.	phB	50%	15 s	8 l/min	0.2 bar	Rp 1/2" male	DN 50	独立	GB \| IE	Dec 2023
Recoup pipe HEX (Turbo Rotator) Recoup Energy Solutions Ltd.	phA	68%	5 s	8 l/min	0.29 bar	Rp 1/2" female	DN 50	独立	GB \| IE	Dec 2023
Recoup pipe HEX RD Recoup Energy Solutions Ltd.	phA	63%	5 s	8 l/min	0.21 bar	Rp 1/2" female	DN 50	独立	GB \| IE	Dec 2023
VX2100 2-21 TWIN-HE Technea	phA+	77%	10 s	8 l/min	0.12 bar	Rp 3/4" male	DN 50	独立	Netherlands (NL)	Dec 2023

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