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ATAG Boilers
Geosolar specifies high quality ATAG condensing boilers on almost
all quotations. While the initial cost is higher than a standard
boiler, we believe our discerning customers are willing to pay
that little extra for a quality built appliance. Importantly,
all boilers are capable of weather compensation and low modulation
for increased running efficiency. We also recommend Santon unvented
cylinders when customers request high pressure power showers.
Atag are a Dutch company who make very high quality condensing
boilers. Atag boilers are specified in the UK by local councils
for schools and social housing where quality and reliability are
critical. We installed our first Atag boiler in 1997 and it has
since clocked up over 60,000 hours of runtime and saved the owner
thousands of pounds of gas usage.
The Atag Q boiler ----- Example
1 ----- Example
2 ----- Example
3
The Atag E boiler ----- Example
1 ----- Example
2 ----- Example
3 ----- Example
4
Please see the references page
for more pictures of the Atag boiler.
Boiler Features
Compare these features with other boilers you may be looking
at;
- Very high build quality. 5 year parts, 2 year labour warranty.
10 year warranty on main heat exchanger against corrosion (when
installed by ATAG approved installer).
The heat exchanger.
- Low modulation. Boilers modulate up from as little as 4.4
kw which means reduced boiler cycling and reduced component
wear and tear.
- Intelligent boiler controls. The advanced controller always
attempts to maintain condensing operation for maximum efficiency.
The boiler always starts off at a low power output and ramps
up to meet the heating demand. The contrasts with most boilers
which fire at full throttle then have to slam on the brakes
to reduce the flow temperature.
- Ability to interface the BrainQ controller with both the Q
and E boilers. The BrainQ unit gives an unprecedented level
of control and information on the running operation of the boiler.
- Fully coverable under the British Gas Homecare contract after
the expiry of the 2 year guarantee.
- Solar combi boiler compatible. All the Atag combination boilers
will take pre-heated water to the plate heat exchanger. This
allows seamless future proofing for a solar system. Not many
boilers on the market will accept pre-heated water!
- Very quiet running operation. All our customers have comment
how quiet the Atag boilers are in operation.
- Flexible fluing systems. The 80mm flue means it is possible
to locate the boiler in positions that would otherwise not meet
regulations. Roof
flue, apex
flue, high
level flue, conservatory
flue Also a plume management kit is available pm1
and pm2
- Easy maintenance. Some boilers have all the components shoe-horned
into a tiny box. While this may mean it goes into a small location,
it can make future repairs very difficult and time consuming.
All Atag boilers have slightly oversized casings to greatly
improve access and therefore reduce the time an engineer is
on-site.
- Automatic air venting and safety controls. The Atag boiler
will automatically shutdown if the system pressure drops below
a set point. This is to prevent damage to the boiler. When the
system is refilled the boiler will go through a 17 minute startup
routine to ensure all the air is safely vented. During this
period the burner does not fire, again to prevent damage to
the boiler.
- Atag for life scheme. Paying a low monthly fee guarantees
all parts and labour on the boiler for an amazing 15 years.
Q boiler or E boiler?
What are the differences between the Atag Q and the Atag E boiler?
- Price. The Q is about 35% more expensive than the E.
- Styling. The Q has an elegant metal casing which removes to
reveal a clear polycarbonate inner case. The Ehas a simple,
no frills white case.
- Pump. The Q has a fully modulating pump which automatically
adjusts to the system pressure. The E has a fixed speed pump.
- Controls. The Q has additional electrical connections for
add-ons such as an external pump. The E does not have this capability.
The Q is more appropriate for multi-zone systems.
- Cascading. The Q boilers can be cascaded to run in parallel.
This is particularly useful for larger properties were a single
large boiler is not cost effective or does not provide backup
in case of boiler failure.
- Zone valve. The Q has a built-in 3 port honeywell divertor
valve (W-plan). This simplifies the plumbing as no external
valves are required.
- Remote controlling. A future development is to allow control
of the boiler over the internet. This feature will likely be
only available as a modular addon for the Q.
- Combi differences. The Combi E has a traditional plate heat
exchanger to create hot water. The Combi Q has a small unvented
cylinder built in to provide a preheated store of hot water.
Technical Documents.
Due to the large size of these files, they are no longer available
to download from this website. Please contact us for more information.
The Atag Q Installation manual (5.3Mb)
The Atag E Installation manual (1.5Mb)
Brain Q Control Unit: Page 1, Page 2, Page 3, Page 4
Brain Q User Manual (8mb) --- Quick Reference Manual ---- Installation
Instructions
Atag Company Information video .wmv format (warning 45Mb!)
Background to Condensing Boilers
When considering a boiler, it is important to remember that the
price tag will reflect the build quality and components. A £600
boiler will not be built to the same standard as one costing £1800.
- Cheap, low end boilers. With an aluminium heat exchanger.
Sorry, but Geosolar does not supply or install this type. You
would expect to replace this type of boiler every 5 years.
- Budget condensing boilers. With stainless steel heat
exchanger. For example Glowworm or Vaillant.
- Mid Range condensing boilers. With stainless steel
heat exchanger (5 year warranty)
- Top of the Range condensing boilers. With stainless
steel heat exchanger (10 year warranty). Typically with all
add-on features such as weather compensation and low modulation
ranges.
We always recommend you install the boiler that will give
the longest lifespan and greatest efficiency. All boilers
installed by Geosolar are SEDBUK A rated. Weather compensation
increases the running efficiency by around 10-15%
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