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What is the best boiler for heating and hot water in Europe for a flat?

I am living in England , i am looking for a good boiler for my flat, can someone give me some suggetion ?

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I would suggest the Wilford boiler is a great option. In particular, the Zhangjiagang Wilford Boiler as it is a combination boiler meaning it is small, can easily be stored in a cupboard and is economical to run. Get in touch with them to see if it is ideal for you.This brand of pressure hot water boiler is the best choice of transforming of the heating boiler of coal-fired. The horizontal structure of the boiler can absorb the heat with high efficiency ,heat transfer fully, the efficiency of heat transfer can reach 98%, and with good quality of steam, not pollution, no noise ,is the real green and environmental protection product. you can go its website for more
Hot Water Boiler Hot Water Boiler Products Hot Water Boiler Manufacturers...

Posted on May 08, 2017

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: I have a vitodens 100-w

Here's the deal: If your Vitodens 100 has outdoor temperature sensing capability, either built in or via external aftermarket control such as Tekmar or other, and the temperature outside is above warm weather shut down (WWSD), then the boiler will not operate for space heating, but will operate to make Domestic Hot Water (DHW) only. Generally speaking WWSD is facoty set at 20*C, since this is normal room temperature so the boiler will not need to operate at temperatures above this number as it is warm enough outdoors to heat the house to comfortable levels.
If your Vitodens 100 does not have outdoor temperature sensing capability then you should check to see if your room thermostats are operational and calling for heat since the boiler is only responding to this on-off control based on room temperature. (turn up your room thermostats)
In both cases you need to make sure that your heating system's distribution pump and zone valves are operating correctly.
In any case you should be calling a heating contractor if you suspect that there is a problem with your boiler and/or heating system.
Good luck.

Posted on Aug 05, 2009

Obertelli
  • 3006 Answers

SOURCE: Combi Boiler gives CH but not HW

Combi boilers have many moving parts compared to conventional models so must be serviced annually to prevent breakdowns.

Your boiler most likely has one of four problems:-

1. When the receiver for the wireless thermostat was fitted, other wiring was loosened and has come adrift. It's a possibility, but in my experience unlikely as the wiring involved isn't anything to do with HW supply..

2. During receiver fitting the pcb suffered a static electricity surge. Possible, but unlikely as this sort of damage is usually immediately evident. However, boiler pcb's are notorious for sudden failures anyway and can happen anytime. Combi pcb's are more prone to fail as they usually have up to four solenoids fitted and these do eventually fail due to mechanical wear.

3. When you your combi is in CH mode it heats the primary water circuit and directs the flow through the CH heat exchanger. When you open a hot tap (US=faucet) you're opening a supply of cold water initially as there is no stored hot water like in a conventional system. As the water starts to flow through the combi's diverter valve there's a pressure drop which activates a rubber diaphragm with mechanical connections to other parts. The diaphragm is one part which is routinely replaced annually as it will eventually fatigue and fail with the symptoms which you describe. In addition, the mechanical parts connected to the diaphragm pass through various seals in order to activate at least one micro switch. If the seals fail then the moving parts eventually corrode and seize up. Regular servicing prevents this. Combi seizures are a very common complaint in hard water areas.

4. One of the micro switches activated by the diverter valve has failed. Possible, but not likely. The purpose of the switches is usually to fire up the boiler to provide HW when the CH is not currently running, but as you haven't said which Vaillant you have I can't be definitive on this.

One major problem with combi boilers is that multiple failures can and certainly do occur almost at once. Unmaintained units may appear to be correctly functioning but in reality a number of worn parts can be close to failing. When one part fails, the others can't cope with the stress and fail as well.

In most civilised countries including the UK it's a criminal offence to attempt most repairs yourself unless you're qualified to work on gas appliances, so you need to find a decent heating engineer to service your boiler (ask your new neighbours). In the UK you can expect to pay around £120-£150 annually for a routine boiler service. If the circuit board has failed then it can easily add over £100. If parts inside the diverter valve/manifold have seized then you can be looking at an additional £80-£150. Note that diaphragm failures on their own do not merit diverter/manifold replacement and that if you have a new diverter fitted then a new diaphragm will already be present inside.

Dishonest heating engineers always diagnose a failed pcb as they know that you have no way of knowing whether it's true. If you can live with the problem for a few days then failed pcb's are usually a straightforward repair and there are plenty of companies who will send you a guaranteed exchange unit for much less than the cost of a new one. As long as you are not opening the main boiler casing which houses the combustion chamber and gas valve assemblies then some territories allow non gas qualified replacement, but others insist that the work is done by a qualified electrician: this is not the case in the UK as long as the pcb is not connected directly to mains electricity (no modern domestic ones are).

Posted on Oct 13, 2009

  • 1089 Answers

SOURCE: The boiler doesn't heat up--no hot water

Hi
Contact fixya because they won't let me tell you. They say its to long.

Posted on Dec 10, 2009

  • 1 Answer

SOURCE: no hot water coming from combi boiler ( vailliant)

I have a BAXI combi Instant 105 HE bolier. It has been very cold for the past week and the hot water is not working (though the heating is). I have cleared the overflow flu pipe of ice but this has not solved the problem. Any suggestions?

Posted on Jan 08, 2010

  • 10865 Answers

SOURCE: no hot water have amtrol boilermate

There is a device on the boilermate called an aquastat which controls the flow of hot water into it. Replace that and you should be up and running again. Joe.

Posted on May 23, 2010

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You just bought or a thinking of buying an <span style="font-weight: bold;">outdoor wood boiler.</span> How do you integrate that boiler into your existing <span style="font-weight: bold;">home heating system</span>? The guy selling you the boiler wants the sale and tells you that hooking it into your system is very simple.<br /><br /><span style="font-weight: bold;">Outdoor wood boilers </span>come in many shapes and sizes. For the most part bigger is better for these things. The next thing you need to consider is whether the <span style="font-weight: bold;">boiler is an open or closed system</span>. It does make a difference in the way it gets hooked up. <span style="font-weight: bold;">Closed systems</span> can be hooked right up to your <span style="font-weight: bold;">existing boiler system </span>in a <span style="font-weight: bold;">primary secondary configuration</span>. This means that the wood boiler circulates to two tees in your home system and the home system circulates the water through the home. The two waters mix through the tees.<br /><br />If your wood boiler is an <span style="font-weight: bold;">open system</span> then you need to install a <span style="font-weight: bold;">stainless steel flat plate heat exchanger </span>to divide the two waters. The hookup of the <span style="font-weight: bold;">heat exchanger</span> is not that hard if you follow the instructions properly. This heat exchanger is very effect in<span style="font-weight: bold;"> transferring the heat</span> from the wood boiler to the inside heating system. It also keeps the water of the<span style="font-weight: bold;"> inside system pressurized and isolated.</span><br /><br />If you are installing your outdoor furnace to a <span style="font-weight: bold;">hot air heating system</span> then you need to <span style="font-weight: bold;">buy a coil</span> similar to your car radiator to install in the plenum on the supply side of your <span style="font-weight: bold;">existing hot air furnace</span>. To this coil you will <span style="font-weight: bold;">hookup the water pipes from the outdoor boiler</span>. The water running through the coil will heat it up so that the air going through from the <span style="font-weight: bold;">hot air furnace </span>will be warmed. The water hookup for this style of heat is very simple, but the <span style="font-weight: bold;">electrical hookup of the blower, pump, and circulator </span>may not be as simple. You may need someone with a good electrical knowledge to make everything happen in the right sequence.<br /><br /><span style="font-weight: bold;">Outdoor wood boilers can heat your home effectively </span>if they are <span style="font-weight: bold;">installed to your existing heating system properly</span>. If they are installed properly you will notice no difference in the heating of your home. It will be <span style="font-weight: bold;">warm and comfortable.</span> Make sue that you do your research properly before trying to <span style="font-weight: bold;">install your outdoor wood boiler.</span>

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