Hot water ends up at the shower head.

The condenser helps turn ambient air into energy to heat the water.

Warranty: This part generally has a 2-5 year warranty, depending on brand and model.

Troubleshooting Tips: Click here to see

The tank heats and stores water ready for use.

Warranty: This part generally has a 5-7 year warranty, depending on brand and model.

Troubleshooting Tips: To test if this is working xxxxxxxxxxxxxxxxxx

Cold water enters the tank ready for heating.

The condensate drain removes condensation produced by the heat pumps evaporator coil.

Fresh water from the mains is connected to the system, ready to be heated.

The duo value (non-return isolating valve) has two functions. Firstly, it shuts off the water supply to your hot water system. Secondly, it has an in-built non-return valve to stop hot water from your tank backflowing into the cold-water line, which will happen as the pressure inside your storage tank increases above the mains cold water pressure, during the heating cycle due to expansion.

Warranty: This part generally has a 1-2 year warranty, depending on brand and model.

Troubleshooting Tips: To test if this is working xxxxxxxxxxxxxxxxxx

A pressure limiting (or reduction) valve (PLV), reduces the water pressure on the outlet side of the valve to a preset pressure. They are not always needed but should be installed on the cold water inlet side of your hot water system if you have high water pressure (over 500kpa) to your home, or if your hot water system has a lower pressure rated temperature pressure relief valve.

Warranty: This part generally has a 1-2 year warranty, depending on brand and model.

Troubleshooting Tips:

The temperature pressure relief (TPR/PTR) valve helps regulate the tank's pressure. Heat causes expansion of water which increases pressure and a TPR valve is designed to open and purge water from the hot water storage tank to reduce the internal water pressure of the tank.

Warranty: This part generally has a 1-2 year warranty, depending on brand and model used.

Troubleshooting Tips:

Water in a storage hot water tank must be stored above 60⁰C to prevent bacteria growth including legionella, but 60⁰C water can cause scalds and burns. A tempering valve mixes the stored hot water with fresh cold water to cool it down before sending it to your hot taps inside the house.

Warranty: This part generally has a 1-2 year warranty, depending on brand and model.

Troubleshooting Tips: A tempering valve is designed to ‘fail cold’ so that if the valve malfunctions you will get cold water from your hot taps rather than scalding hot water. The strainers in the tempering valve can also become clogged with debris which can lead to very low or no hot water pressure at your hot taps. The temperature and pressure may fluctuate or be constant.

Hot water ends up at the tap.