Looking to spec. a small ( physically and output) wall hung, combi gas
boiler, that is / can be jetted for use with LPG, and wondered what the
recommendations are these days. ?

Thanks,

Nick

On 26 May, 18:48, "Nick" wrote:
Looking to spec. a small ( physically and output) wall hung, combi gas
boiler, that is / can be jetted for use with LPG, and wondered what the
recommendations are these days. ?

Thanks,

Nick
The Vaillant ecoTEC plus range claim to have compact dimensions, they
also can be converted to run on LPG gas.
The ecoTEC plus 824 has dimensions of: 720mm height, 440mm width and
335mm depth.
The 831 has the same dimensions, but the 837 has 403mm depth.

The ecoTEC plus 831 is available in a LPG model, the other models
require a conversion kit to run on LPG.
Vaillant boilers are reliable and easy to use, all their boilers have
a one piece stainless steel heat exchanger.

Hope this helps.

Yes, indeed - thanks for the input, I will get some data on it..

Nick

Nick wrote:
Looking to spec. a small ( physically and output) wall hung, combi gas
boiler, that is / can be jetted for use with LPG, and wondered what the
recommendations are these days. ?

The Ideal Isar is pretty dinky - not sure about running it on LPG though.

--
Cheers,

John.

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The Ideal Isar is pretty dinky - not sure about running it on LPG though.

OK, thanks John will take a look...,

Nick

On Wed, 28 May 2008 03:07:44 +0100, John Rumm wrote:

The Ideal Isar is pretty dinky - not sure about running it on LPG
though.

Not sure about running it for anything critical either :-(

--
John Stumbles

The clairvoyants' meeting has been cancelled due to unforseen circumstances.

wrote:
On 26 May, 18:48, "Nick" wrote:
Looking to spec. a small ( physically and output) wall hung, combi gas
boiler, that is / can be jetted for use with LPG, and wondered what the
recommendations are these days. ?

Thanks,

Nick
The Vaillant ecoTEC plus range claim to have compact dimensions, they
also can be converted to run on LPG gas.

I have recently installed the ecoTEC Plus 28, it is pretty compact, and
almost silent, you can't hear it running over the noise of the tap
running at the kitchen sink next to it. Really pleased with it.

John Stumbles wrote:
On Wed, 28 May 2008 03:07:44 +0100, John Rumm wrote:

The Ideal Isar is pretty dinky - not sure about running it on LPG
though.

Not sure about running it for anything critical either :-(

What has your experience with them been like?

The one I fitted about four years ago has been mostly trouble free (one
failed DHW temperature probe), but obviously its too small a sample set
to get any real perspective.

In terms of construction they seem to tick most of the boxes (downward
firing burner, Si coated ali HE, purpose built design etc), although I
expect the shear packing density of the components would make servicing
more complex than with other more spacious layouts.

In use it was one of the better combis I have used with good temperature
regulation even at low flow rates, and quite operation over a wide ish
modulation range.

(having moved, I now get to play the revamp the heating system all over
again game!)

--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/

My intended application is actually on a canal boat - the typical offerings
are woefully inadequate - the "Rolls Royce" of diesel heaters ( Webasto) is
only rated to operate for 2 hours at a time (!!!), is suspiciously
susceptible to the declining qualities of red diesel and needs servicing
frequently to de-coke it when run on red diesel.. "Marinised" gas boiler
conversions are not much better, so a decent domestic small boiler seems the
way to go.. and somewhat more powerful ( than the 5 kw the Webasto is) which
will heat up the DHW cylinder before you die of boredom waiting...

Thanks to all for the replies.....

Nick

"Nick" wrote in message
...
My intended application is actually on a canal boat - the typical
offerings are woefully inadequate - the "Rolls Royce" of diesel heaters
( Webasto) is only rated to operate for 2 hours at a time (!!!), is
suspiciously susceptible to the declining qualities of red diesel and
needs servicing frequently to de-coke it when run on red diesel..
"Marinised" gas boiler conversions are not much better, so a decent
domestic small boiler seems the way to go.. and somewhat more powerful (
than the 5 kw the Webasto is) which will heat up the DHW cylinder before
you die of boredom waiting...

Thanks to all for the replies.....


You will need 240V to drive a domestic combi - I assume you have same on the
boat already?


--
Bob Mannix
(anti-spam is as easy as 1-2-3 - not

You will need 240V to drive a domestic combi - I assume you have same on
the boat already?


--
Bob Mannix
(anti-spam is as easy as 1-2-3 - not


Oh yes .. there will be 4 kW of pure sine wave available, but a low power
consumption device would be advantageous... or a unit that operates
internally on 12 volts to save the losses,,

Nick

"Nick" wrote in message
...
You will need 240V to drive a domestic combi - I assume you have same on
the boat already?


--
Bob Mannix
(anti-spam is as easy as 1-2-3 - not


Oh yes .. there will be 4 kW of pure sine wave available, but a low
power consumption device would be advantageous... or a unit that operates
internally on 12 volts to save the losses,,


Well a domestic combi won't take any significant power but running on other
than 240V will be a pain. I don't think it will trouble your 4kw supply much
unless it's right on the edge already. Of course you will need ~1bar water
pressure as well to run a combi - not a problem if moored with services but
maybe on the move? Is this a static situation or are you cruising (so to
speak)?


--
Bob Mannix
(anti-spam is as easy as 1-2-3 - not

In message , John Rumm
writes
Nick wrote:
Looking to spec. a small ( physically and output) wall hung, combi
gas boiler, that is / can be jetted for use with LPG, and wondered
what the recommendations are these days. ?

The Ideal Isar is pretty dinky - not sure about running it on LPG though.

The Isar module is the new Suprima !

--
geoff

"Owain" wrote in message
et...
Nick wrote:
Oh yes .. there will be 4 kW of pure sine wave available, but a low
power consumption device would be advantageous... or a unit that
operates internally on 12 volts to save the losses,,

Problems with webastos seem quite common, sometimes cured by a
manufaacturer's warranty repair/service - maybe the local fitters aren't
particularly thorough or careful.

A Pressure Jet Boiler like Kabola B, Somy or Bubbles might be better, if
you have the electricity. Or there are 12V diesel water heaters like
Mikuni. I don't know if they're better than webastos. Diesel does have
safety advantages over gas and if you have gas on board already it saves
having to load cylinders.

For hot water, a calorifier on the engine cooling system might be useful
if you are cruisng continuously. Connect to enginee cooling water, and ch
boiler, you could get a 3 coil one and connect to generator cooling. An
immersion heater would give you further back up when shore power is
available.

Owain


Thanks for the comments...

There is and engine heat take off calorifier , and the DHW tank has an
immersion for shore power.
I was looking at a Bubbles diesel heater but was wanting to have a low tech
backup
in the form of a solid fuel stove - possibly with a water jacket as they can
get too hot, so seems sensible
to channel some heat back to heating / hot water
Thanks again for the suggestions

Nick