Wednesday, June 21, 2017

Difference Between Combination And Condensing Grand Prairie Boilers

By Gregory Gray


The annual boiler service is a very important job that is best done in the warmer months of the year, but did you know around 90% of us never have the boiler serviced. The boiler for some reason seems to get forgotten until something happens, you go to have a shower and find you have no hot water. Then you start to panic trying to find someone to repair the Grand Prairie Boilers.

Combination boilers: These are the boilers which provide heat without a use of any hot water tank. They don't require any water tank in your store room, which save lots of space in your house. Basically, combination heaters are those planted on walls, which can be placed on any wall in your home. They occupy very less space in your house. They can be fitted in your kitchen cupboards.

The high efficiency or condensing boilers as they are known while running produce condense, this is an acidic water, because it is acidic, it can start to corrode the flue-pipe, and should this happen the flue will start to leak products of combustion (carbon monoxide), which as we all know can be very dangerous to life, this is one of the most important parts of the service.

Then you have system boilers which works on high pressure, the tank in the loft is removed and the system is pressurized. This type of boiler is a little better on the efficiency side due to there is no heat loss through the expansion pipe. The water is still heated via the storage tank. Now we come to the most popular of boilers and that is the combination boiler. For those people who don't know what a combination boilers is, let me explain.

The expansion vessel will over time will lose pressure and will need to be recharged to keep the boiler working to its full efficiently. The expansion vessel is a very important part of the annual boiler service that needs to be checked. Once the vessel loses the charge it puts pressure on the pump, the internal water parts and the entire O rings within the boiler.

Condensing heaters: These are the most energy efficient heaters presently available in the market. These types of heaters are 93% energy efficient saving your energy bills and saving the environment. They use the similar technology used in conventional heaters, but the main different is that, condensing heaters reduces the heat from the flue gases from approximately 300 degrees to 50 degrees, condensing out the vapor produced by combustion of the fuels. In condensing heaters the heat exchanger is bit larger or there may be a second heat exchanger which hunts down the heat which is not recovered by the main heat exchanger.

Part of the annual boiler service is to check the boiler combustion rate. This is to make sure the boiler is burning gas as it was designed for, this is carried out using a flue gas analyzer which is inserted into the flue-pipe and a reading is taken, if the readings are within the heaters recommendations then no further action is required, but if the readings are out of the recommendations then further investigations are needed to find the problem.

Condensing Combination heaters: Condensing combination boiler is mixer of condensing and combination heaters. It uses the both technologies of condensing and combination becoming the most energy efficient heaters in the market at the moment. They do not require any hot water tank or cylinder like condensing heaters. But the mail disadvantage of using them is its price. They are more expensive than condensing heaters.




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