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A comment on Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls. Parent comment

Re:Hitachi launches CO2 heat pump water heaters with solar-f... by londons_explore on Thursday September 10, 2026 @10:30AM (#49644364)
Presumably you need a bath with extra plumbing? What happens when the heat exchanger gets clogged with soap and hair?
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