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    • COMMON PLUMBING FAULTS >
      • How to replace tap cartridge for quarter turn taps
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AGA Rayburn, service & repair engineers london, Plumbing and Heating
  • Home
    • About
  • Plumbing
    • Drainage
  • Boilers
    • Boiler Repairs Emergency call out service in London
    • Boilers Servicing
  • Aga Rayburn
  • Installation & PF
    • INTERGAS Boilers Installation
    • Gas Appliances Installation
    • Power flush
    • Which Boiler & Boiler Types
  • Services
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    • Gas Safety Certificate CP12
  • Contact Us
  • FAQ
  • Blog
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  • KNOWLEDGE BASE
    • COMMON PLUMBING FAULTS >
      • How to replace tap cartridge for quarter turn taps
      • How to replace a tap washer
      • Taps and shower valves
      • Mould in bathrooms and showers
      • Showers, flow and control
      • How to disconnect & reconnect a dishwasher
      • How to disconnect & reconnect a washing machine
    • HEATING FACTSHEETS >
      • Gas Rating
      • How to look after your home central heating
      • How to stop cold spots in your radiators
      • Flushing your heating system
      • Heating Systems – sealed or vented?
      • Things to consider when looking for a new boiler
      • Boiler breakdowns
      • How to tell if it’s time to replace your boiler
      • Boiler problems – what to look out for and when to contact a plumber
      • How to increase combi boiler pressure
    • How To Bleed A Radiator
    • How to Stop a Dripping Tap
    • How to Plumb Your Garden
    • How to Reduce the Energy Costs of Your Washing Machine
    • How To Unblock A Toilet

Showers, flow and control

Showers, flow and control

With an abundance of shower types on the market, it is important for the consumer to recognize what type of hot and cold system is in the property where the shower is to be installed.

There are two hot and cold systems:

  • Low-pressure systems
These systems can be recognized usually by a cold water storage tank being in the loft. This feeds the cold water and the hot water, which is heated usually with a cylinder in an airing cupboard, to the bathroom via gravity. As the cold water storage tank in the loft is usually only one metre from the top of the shower-head, the pressure and flow-rate that this develops, is poor.

A basic shower pump giving a pressure of one bar- is equivalent to having the cold water storage tank ten meters above the shower-head. This type of thermostatic shower valve is most suited to a pumped-type shower to boost both the flow rate and the pressure. This makes the shower feel a lot more powerful and invigorating.

  • High-pressure systems
These systems are usually fed directly from the water main in the street. The hot water is generally supplied by a combination boiler / instantaneous water heater or an Unvented Hot Water system. Although the system is high pressure, you must take into consideration the fact that you will only get the pressure and flow-rate through the shower valve that the water supplier is providing to the property and no more than that,

When considering installing a shower-valve, it is important that you have the required mains pressure from the street, to run the shower-valve being considered. All manufacturers provide this information for each of their valves.


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Satisfied Customers 

Perfect installation! Old floor system to a new wall boiler! 10 out of 10!
Excellent service, highly recommend, will be using for safety cert too, thanks!

Mrs  Keith / Ealing
The advice on what boiler to buy was helpful & the installation was very quick.
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  • Home
    • About
  • Plumbing
    • Drainage
  • Boilers
    • Boiler Repairs Emergency call out service in London
    • Boilers Servicing
  • Aga Rayburn
  • Installation & PF
    • INTERGAS Boilers Installation
    • Gas Appliances Installation
    • Power flush
    • Which Boiler & Boiler Types
  • Services
    • Home Buyers Report
    • Gas Safety Certificate CP12
  • Contact Us
  • FAQ
  • Blog
  • Certificates & Accreditations
  • KNOWLEDGE BASE
    • COMMON PLUMBING FAULTS >
      • How to replace tap cartridge for quarter turn taps
      • How to replace a tap washer
      • Taps and shower valves
      • Mould in bathrooms and showers
      • Showers, flow and control
      • How to disconnect & reconnect a dishwasher
      • How to disconnect & reconnect a washing machine
    • HEATING FACTSHEETS >
      • Gas Rating
      • How to look after your home central heating
      • How to stop cold spots in your radiators
      • Flushing your heating system
      • Heating Systems – sealed or vented?
      • Things to consider when looking for a new boiler
      • Boiler breakdowns
      • How to tell if it’s time to replace your boiler
      • Boiler problems – what to look out for and when to contact a plumber
      • How to increase combi boiler pressure
    • How To Bleed A Radiator
    • How to Stop a Dripping Tap
    • How to Plumb Your Garden
    • How to Reduce the Energy Costs of Your Washing Machine
    • How To Unblock A Toilet