DN500 (20″) FlexEJ HP Low Loss Header 15,500 kW
FlexejMade in the UK
Price not listed
DN500 FlexEJ Low Loss Header nominal power rating boilers 15,500 kW (@ 20 °C ΔT) / heat pumps 3,875 kW (@ 5 °C ΔT). For HVAC systems with Flamco Flexvent AAV plus DN 25 drain valve. DN500 FlexEJ Low Loss Header nominal power rating boilers 15,500 kW (@ 20 °C ΔT) / heat pumps 3,875 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.
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Buy from FLEXEJ LIMITEDOut of stock. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.






