"Tony Bryer" wrote in message
...
In article , Andy
Hall wrote:
Its an Ideal Mexico Super CF4140 - 140,000 BTU - 41kw £872

Poor choice. The SEDBUK seasonal efficiency figure for this
one is 78.6%.

The other thing is that according to the SEDBUK database the
output is a fixed 41kW, all or nothing. In the spring and autumn
the part load efficiency (which is admittedly taken account of in
the SEDBUK calc) is likely to be a lot less:

With the return temp of the pool being very low; below condensing
temperatures. the burner box will condensate, unless back end protection is
fitted. Look inside the existing boiler and I'm sure the burner box will be
rusty (assuming the pool is being heated by this boiler).


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