Description
DN450 FlexEJ Low Loss Header nominal power rating – boilers 13,500 kW (@ 20 °C ΔT) / heat pumps 3,375 kW (@ 5 °C ΔT). For HVAC systems with Flamco Flexvent AAV plus DN 25 drain valve. Manufactured in our factory in the UK. Contact sales for different ratings, connections and selection advice – we will be pleased to quote any low loss header size or configuration you may require.