"dkh" wrote in message
...
Just got a new cabin pak (external in an enclosure) warmflow 90-120 model
http://www.warmflowboilers.co.uk/pages/external.htm

the boiler manufacture recommends that frost stat is fitted but
dont specify a particular model.

I dont want something that will run the boiler continuously when the temp
gets below 3C say or the boiler will run all winter (as it doesnt heat up
the outside) so im guessing its possible to get some sort of frost pipe
stat which detects the pipes are warm enough ?

Anyone have any experience of this and can recommend something... have
already contacted warmflow once but they were rather vague....



If you had bought a Firebird their outdoor model comes already complete with
a frost stat within the outdoor insulated casing and keeps the unit from
freezing by maintaining the air temperature within the cabinet at (or near)
the set point. If you employ an S plan control with a bypass the frost stat
runs the boiler and pump thus heating the boiler and primary pump circuit
but not the house heating or hot water. For further savings you can fit a
frost protection pipe stat set to about 20 degrees C which stops the burner
before heating up to a high temperature. Make sure you have sufficient cores
available in the connecting cable from your wiring centre to boiler cabinet.