air filter or oil filter do you mean? or both?
its on about 53000, how much are new coils?
thanks
if anyone is in hull tomorro and can spare some time i will appreciate it, if not im in colchester(essex) from sunday afternoon for 3weeks.
many thanks
how much did that set you back dave ?
5-40 or 10-40 doesn't mater 5-40 protects down as low as -25 wheras 10-40 only protects down to -20degress. So it doen't matter 5-40 will portect more though when cold.ok, so is it 5/40 this time of year?
what panel filters do i consider if i want to upgrade?
thanks