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Radiators problems?

We offer installation, repair & maintance.

Anthony Ryan Plumbing have been installing, repairing and maintaining radiator heating systems since 2002.

Services we provide are…

  • Design, supply and install radiator heating systems,
  • Heatloss calculation and radiator sizing.
  • Thermostatic radiator valves.
  • Powerflush radiator central heating systems
  • Replace or repair ‘gun-barrel’ piping.
  • Balance radiators heating systems.
  • Zoning of radiator heating systems.
  • Repair or replace circulating pumps.
  • Expansion vessels and top-up filler valves.
  • Leak detection of radiator heating systems.


Some of frequently asked questions and answers.

In most cases we use an ‘Alu-pex’ pipe, this is a multi-layer of high-density polyethylene [HDPE] with an aluminium layer. The fitting connections are clamped/crimped onto the piping using a hydraulic press tool.

‘Alu-pex’ was mainly used in underfloor heating application, we have changed our use of ‘qual-pex’ and ‘Acron’ to ‘Alu-pex’ system for radiator, heating and plumbing installations.

Press fit crimping tools

Press fittings and alu-pex

Yes we can, the cold spot on a rad, usually in the middle bottom area, is a result of corrosion debris from the metal in your heating system being deposited In the form of a sludge [Iron Oxide], this sludge deposit forms in areas with low water flow, middle of rads or on pipe branched connections. Cold areas on rad, loss of heat to individual rads and even loss of heating to entire circuits.

In some cases, we can remove the radiator and wash out the sludge, if there is a large amount of corrosion present you may require a full power flush of the heating system. Find out more [click here].

Before you start to bleed a radiator, first you will need to know where and how your heating system is topped up, if you are unsure of this you could contact Anthony 0876633376

When bleeding the unwanted air from a radiator, the space left in the radiator will need to be replaced with water by topping up the system pressure.

This red [ball] vessel is the expansion vessel for the heating system, if you have a gas boiler, expansion vessel is normally inbuilt to the boiler system, this devise plays a key role in the operation of your heating, it allow for expansion of central heating waters, as the water heats in your system, the heated  volume of water expands up to 4%.

Servicing and maintaining the expansion vessel is very important. Like the tyre on a car loses air and needs pumping up, the expansion vessel also loses the air cushion over time and requires pumping up. If there is no cushion for the expansion heating waters, the expansion will result in excess pressure in your heating system.

There are advantages for both open vented and sealed sysetms

Advantages to retaining an open vented [attic tank] system:

  • They comprise very few fittings and devices to operate, compared to a sealed system, which means lower maintenance costs
  • Where older radiators are present, that are not to be replaced, changing to a sealed system can put heating system under pressure and cause leaks
  • It is much to cheaper to swap the boiler and leave all other components in place
  • with sealed system you will have to ‘top – up’ the water level at least couple of time per year, also service the expansion vessel once per year.
  • You must have an open vented system with a solid fuel boiler.

Advantages to moving to a sealed system:

  • Greater flexibility in siting the boiler and other system components
  • Options to change to a Combi or System boiler set up if using gas boilers
  • Can free up space in the roof space
  • It keeps the system cleaner as its sealed off. Debris can enter the system via F&E tanks but the tank should have some form of cover anyhow.

More efficient as there is less potential for heat loss, e.g. evaporation via the F&E tank.

Heating header tank (open vented)

Auto heating filler valve (sealed systems)

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