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Underfloor Heating
The Oxyvent Tank works to its maximum in underfloor heating systems.
To explain how this works we will compare an underfloor heating system pre Oxyvent Tank installation and post Oxyvent Tank installation
Pre Oxyvent Tank
1. Experts recommend underfloor heating systems must be constantly on or constantly off.
2. Even the very best of systems have not got uniform heat throughout the floor.
3. Patchy heat even at very high thermostatic levels.
4. Cracks in floors.
5. Due to presence of air, the system needs to be flushed out every 2 years at a minimum.
6. Poor movement of water through underfloor pipes due to air build up in system.
7. Heat up process takes approx. 2 to 3 days to reach maximum potential.
8. Resulting in huge fuel wastage due to above inefficiencies.
Post Oxyvent Tank
1. Heating system does not have to be constantly on. (Heat recovery on the floor is rapid).
2. Uniform heat guaranteed throughout the building in all rooms.
3. Even heat at much lower thermostatic levels and noticeable increase in speed
in which it is achieved.
4. Heating system will not cause cracks as the floor will heat uniformly.
5. No need to flush out the system.
6. 70% increase in movement of water through underfloor heating pipes.
7. Heat up process time greatly reduced.
8. 50% fuel saving due to efficiency of system.
How to check if your underfloor heating is operating properly
Have a look at the underfloor heating manifold. There should be a little glass flow meter attached to most systems, usually reading up to 4 or 5 litres as shown on diagrams above.
This shows how much water is passing through each loop of pipe buried under your floor. These flow meters are also used for balancing the system; meaning that the loop that shows higher flow rate can be cut back to maximise heat gain from other loops further down the system. You can count yourself lucky if you have 1.5 litres per minute in all loops.
As you can see in diagram 2 after installing The Oxyvent Tanks, all flow meters will read 3.5 litres. This is testimony as to why it is essential to include The Oxyvent Tank in all underfloor heating systems.
Flushing the air out of the system
Just remember you can bleed a radiator with a vent key to get the air out, Under floor heating must be flushed out by a professional regularly to release the trapped air. This is a process where all the water must be flushed out of the pipes under the floor and refilled with fresh water.
Flushing the trapped air out of the underfloor heating is a regular occurrence for some systems as the efficiency of the system will deteriorate unless the air is flushed out. This is time wasting and costly.
The Oxyvent Tank eliminates the need to flush the air out of the underfloor system as it capture the air and release it automatically before it gets into the underfloor heating pipes.
It does not make sense to install underfloor heating without the Oxyvent system. In a new installation it pays for itself in less than one year. Get The Oxyvent Tank installed in your system, remember it is you that pays the fuel bill.
Two Oxyvent tanks are required for most underfloor heating systems. If you require further information, please contact Oxyvent.
Questions frequently asked by householders
Q.
What is the ideal underfloor heating system and how should it operate?
A.
When the system is installed air should never again enter it.
The rooms should heat in a few hours not days. All the floors should heat at an even temperature, no hot or cold spots. It should operate like the conventional system turn it on and have heat almost instantly any time you want it.
Q.
Must I operate my underfloor heating for 24 hours a day?
A.
No. The floors will heat up four times faster and there is no need to have the heating on at night, as the recovery time is rapid.
Q.
All our floors get very hot in patches and we find that this can be very tiring and uncomfortable to our feet.
A.
All the floors temperature are even and is only a few degree above the required room temperature.
Q.
I notice that the heating deteriorates with time and I have to get my plumber in to flush out the air from my underfloor heating system. Will The Oxyvent Tank eliminate this problem?
A.
Yes as the air is prevented from entering the underfloor heating pipes you will have a trouble free maintenance free system. Saving you hundreds of euro on call out charges.
Q.
I have two rooms in my house that will not heat over 17°C and I have my heating on 24 hours a day every day. Will The Oxyvent Tank sort this?
A.
Yes. this is one of the most common problems we encounter due to the slow movement of water travelling through the floors. By increasing the flow of water through the system room temperatures will increase.
Q.
I switch off my heating during the summer and when I switched it on it took 72 hours to get the rooms to a comfortable temperature. If I install The Oxyvent Tanks will the temperatures increase quicker.
A.
You will notice an increase in temperature within the first 2 to 3 hours and will have comfortable temperatures within 8 to 12 hours.
Q.
I was advised to leave my underfloor heating on all year round and to lower the stat temperature in the summer.
A.
This is a very uneconomical way to operate any system in an era where we are trying to reduce fuel bills and carbon dioxide emissions. Due to the decrease in temperatures during the nights even in the summer this may cause your underfloor heating to operate even though you do not require heat. Due to the rapid heat recovery with The Oxyvent Tank you can switch off your heating during the summer and also have it off at night as you will get an instant response and have heat within a couple of hours if required.
Q.
My underfloor heating system has a 100% oxygen tight pipe and was fully flushed and vented after installation so air is simply not an issue?
A.
The air is formed from water within the system. It will accumulate and lodge in the underfloor heating pipe as part of the natural process of heating water and will have no means of escape without The Oxyvent Tank.
Q.
The burner in the boiler seems to run constantly when the underfloor heating is operating, is this normal?
A.
Yes. Because the water returning from the floor to the boiler is at a low temperature, keeping the burner on. With The Oxyvent Tank installed it raises the temperatures returning to the boiler, therefore the burner is on less time.
Q.
I paid my plumber €300.00 last year to get rid of the air in my underfloor heating system, he recommended that this should be repeated every 1 to 2 years. If I install the Oxyvent Tanks will this process be eliminated?
A.
Yes. As the air is captured in The Oxyvent Tank it is not allowed to enter the underfloor heating pipe saving you financially and also the task of repeated maintenance.
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