Vented & Unvented Hot Water Cylinder Repairs & Installation – The Hamilton Group

London Plumbers, Heating Engineers & Electricians

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020 7738 8967

Vented & Unvented Hot Water Cylinder Repairs & Installation

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What is a vented hot water cylinder?

A vented hot water cylinder requires a water storage tank fed from the mains, and is situated in the loft. Gravity allows water to flow down to the hot water cylinder, which is very often situated in an airing cupboard, by means of a vent pipe. When the water is in the cylinder it is heated for use in taps or radiators or will be stored for later use. When the water is heated it expands and so there needs to be some way it can escape or overflow, hence the vent pipe to the tank in the loft. The downside to this system is that it relies on gravity for the flow rate of water to taps. However, should there be an occasion when the water supply is disconnected you will still have a tank full of water.

What is an unvented hot water cylinder?

The unvented hot water cylinder does not require a storage tank and is connected directly to the mains supply. When the water is heated any excess will be diverted to an expansion tank, which is part of the same system. This type of heating system obviously needs less space and as the cylinder is supplied directly by the mains, it is likely to have stronger water pressure. Although this type of system does have advantages it is not always compatible with certain other appliances such as power showers. Hamilton Group heating engineers are able to advise about which system is the best suited for any type of property and can undertake installation work on both types of system.

Vented & Unvented Hot Water Cylinder Repairs

Installation of a vented system requires more components but can be less expensive. However, an unvented system, which will need less space, is more complex and could work out to be a more expensive installation. Both cylinder systems can be equally serviced and repaired if necessary. The vented system may at some stage require more repair or replacement works due to the additional tank and vents. There are positives and negatives for both systems but both work effectively, providing a steady provision of hot water and heating.

Why choose Hamilton Group for vented & unvented hot water cylinder repairs & installation services?

Hamilton Group plumbing and heating engineers are industry trained and fully qualified to carry out all types of vented & unvented hot water cylinder repairs & installations for domestic clients. Our heating and plumbing engineers are fully qualified and we offer a reliable and fully guaranteed hot water cylinder repair and installation service to customers anywhere within the South West London areas. We are trusted and experienced tradesmen, and we take pride in the job and a job done well. We offer…

● 24 hour emergency call out for vented & unvented hot water cylinder repairs

● Full vented & unvented hot water cylinder repairs & installation service

● Comprehensive vented & unvented hot water cylinder repairs & installations within the South West London areas.

● 100% guarantees on all vented & unvented hot water cylinder repairs & installations

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Hours and Locations

Our team is on call and available 24 hours a day, seven days-a- week in the following locations thourghout South West London:

  • Westminster, Victoria (SW1)
  • Brixton (SW2)
  • Chelsea (SW3)
  • Clapham (SW4)
  • Earl’s Court, West Brompton (SW5)
  • Fulham (SW6)
  • South Kensington, Knightsbridge (SW7)
  • South Lambeth (SW8)
  • Stockwell (SW9)
  • West Brompton, Chelsea (SW10)
  • Battersea (SW11)
  • Balham (SW12)
  • Streatham (SW16)
  • Tooting (SW17)
  • Earlsfield (SW18)
  • Dulwich (SE21)
  • Herne Hill (SE24)
  • West Norwood (SE27)
  • Camberwell (SE5)
  • Southwark (SE1)

The Hamilton Group Hamilton Contractors Ltd Registered in England & Wales Registration Number: 08348514 - Vat no: 155603125
Registered Office:

Unit 39 Eurolink Business Centre, 49 Effra Road, Brixton, London, SW2 1BX

© 2017 Hamilton Group