The Amiad Sigma Filters are automatic filters, with multiple screens, operated by a single hydraulic turbine mechanism, with a capacity up to 280 m3/h (1,233 gpm) and with filtration degrees from 80-500 micron. Inlet/Outlet connections available: 100 mm (4”), 150 mm (6”), 200 mm (8”) diameter, and exhaust valve is 50 mm (2”).
UK homes more suitable for heat pumps than expected
Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...