Adding a Radiator to Your Aga Hot Water Circuit

Posted by hgsba on July 12, 2018

Various people find that their Aga, Rayburn or temperature storage cooker can create too much hot normal water. venta de radiadores

Often the water in the hot water cyndrical tube boils and consequently the water taken from the shoes is simply too hot. The moment this happens, you may need to discover a way to “lose” high temperature from the hot normal water circuit and the most effective way of doing this is to set up a radiator to do something as a “heat sink”. 

The information below tells you how to install a radiator with an Aga hot water circuit.

It is very important to maximise the flow of water through the system whenever we can.

Popular water circuits on Agas are gravity fed. Basically, they rely solely on natural convection to pass the water, without the need for a pump. For this reason, it is important to increase the flow of normal water both in and away of the radiator. This kind of is done through the design of the system and choosing an ideal design of radiator.

There are many ways in which you can maximise the movement of water around the circuit.

1. Maximize the vertical length of movement pipe from the Aga to the radiator

The radiator should be piped from a joint that is sited as close as possible to the Aga. This maximises the “thermal lift” effect which results in a better normal water flow to the rad.

2. Minimise the lateral distance the water has to travel

The ideal position for the radiator would be directly above the Aga, so choose a spot that can be as near this as possible.

3. Minimise the number of restrictions in the water’s flow

Minimising the quantity of angled joints between your flow and return will assist the flow of drinking water. If you need the pipe to show, then decide for pipes which may have recently been curved using pipe benders rather than angled joints so any “corners” are not as angular.

4. Increase the size of the bore on the water pipe and valves

Always use the maximum diameter or “bore” of pipe to and from the rad. Your hot water routine up to the water tank and back down to the Aga is normally fed by 28mm pipe and, where possible, try to continue the 28mm pipe.

Valves are usually put on a radiator as standard to manage the flow of normal water, but if an immediate connection to the rad without valves can be achieved, then this is preferable. However, where regulators are to be used it’s always better (but not mandatory) to work with full-bore lever left arm ball valves. Regular rad valves usually have a much smaller diameter weary, sometimes as small as 5mm.

Also radiators that contain 3/4 inch connections are better than radiators which may have 1/2 inch connections.

5. Maximise the radiator end result

The radiator should be linked with the stream at the top of the radiator and returning at the bottom of the radiator, at the contrary side. This will ensure that the whole rad becomes hot and that there are no cool areas, which could take place if you pipe the flow in at the bottom.

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