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Tuesday 27 March 2012

Fitting heat pumps to hot water cylinders

Today's plumbing and heating industry has definitely started to move towards renewables and energy efficiency with the release of many energy efficient products for homes and businesses.

A now common product to have fitted is a heat pump and its important to understand how this fits in with the rest of a heating system.
 
Hot water cylinder
The average flow temperature for a medium temperature heat pump is around 50oc,the problem with this is that your average cylinder is set up to work with around 60oc.If the wrong type of cylinder is fitted with a heat pump then the heat pump will suffer with some issues such as short cycling and poor hot water delivery.

 Their are two types of hot water cylinders that are compatible with heat pumps,these are the open vented thermal store type and the stainless steel invented cylinder type,both these cylinders are perfect for use with a heat pump.

A open vented thermal store is a cylinder that has been specifically designed for use with a heat pump that will provide the mains pressure for a households hot water.the difference between this type of cylinder and a normal one is that the stored water is constantly hot where as the cold water runs through a heat exchanger which is inside the cylinder

Because the hot water is produced instantly from the cold water supply the water quality will be the same as normal so this means a installer can fit a thermal store cylinder with a heat pump and not need to raise the temperature to prevent bacterial growth.

Thermal stores do not need a pressure or temperature relief valve, which means there is no need to incorporate discharge facilities in the system to keep in check with Part G of the Building Regulations, which covers discharge into soil stacks.

So that was a brief over look at fitting heat pumps to hot water cylinders. All ways check that the cylinder your buying is compatible with heat pumps if its your intention to fit one.I hope today's post was helpful and interesting thanks for reading.

7 comments:

  1. The right Plumbing Supplies and heating systems are so important for the home. Thanks for sharing!

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  2. really nice post and the steps on fitting heat pumps to hot water cylinders is really good. Geothermal Heatpumps Indianapolis

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  3. This comment has been removed by the author.

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  4. I really have been looking into changing are heat pumps to the new Mitsubishi mini designs ones. Here at WDS Cardiff we have really been looking at upgrading the reliability to the best possible unit on the market.

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  5. You can most likely repair hot water heater leaking actually simply.

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  6. Combi boilers or combination boilers are the most common type of boiler you will find in a home. Around 65% of the UK's homes have a combi boiler fitted. boilers Birmingham

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  7. Nice info.Yes you are right it is cost effective and reasonable.Our Hot Water Repair professionals are experts in this field.

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