If you're going to get this involved do it right.
As mentioned on first page, www.heat-engineer.com. spend £10 +VAT, best part of a day learning and using it then you know where you're starting from.
I reckon much of the existing will be ok.
Rad sizes, new and existing and options are easy to swap and compare.
As mentioned on first page, www.heat-engineer.com. spend £10 +VAT, best part of a day learning and using it then you know where you're starting from.
I reckon much of the existing will be ok.
Rad sizes, new and existing and options are easy to swap and compare.