im running l5 but there bit fin on ground has any one run a 8l i run my pumps at 60 on flow controler @spruce i rember you were saying about 8l ones but cant recall what was said now ! was thinking go deisel but vairotech want over 4k fitted just seems lot of money for hot water and i like fast hot water i hurd the deisel ones are not consistent hot? only reasin i would stick with virotech is if it went wrong there local and i can pop van in to get sorted i saw 2.5 k u can get facelift one from window cleaning werehouse but there across channel as im in devon