Retrofit an existing Hot Water cylinder with a Plate Heat Exchanger for use with a Heat Pump

A heat pump requires a hot water cylinder that is Heat Pump compatible. Usually this means a high surface area coil. The reason for this is that as a heat pump works at a high flow rate with low temperature difference of 5 degrees, you need a high surface area to transfer the heat into the water, otherwise the heat pump won’t be able to do it’s job correctly.

If you have a relatively new hot water cylinder and cannot see the economic viability of replacing in order to install a heat pump. You can opt for a retrofit solution in the form of a plate heat exchanger. See diagram below (please note this is a simplified diagram to show the concept)

ashp-dhw-plate-heat-exchanger-for-retrofit

Kit Required

  • Plate heat exchanger rated for heat pump.
  • Insulation Jacket / Shell for the Plate Heat exchanger.
  • Hot Water Recirculator pump
  • Isolation valves & non-return valves as necessary.

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