Heart & Industry

Home · Flexej

DN450 (18″) FlexEJ HP Low Loss Header 13,500 kW

DN450 (18″) FlexEJ HP Low Loss Header 13,500 kW

FlexejMade in the UK

Price not listed

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. 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.

Flexej's own words, read from their page.

Buy from FLEXEJ LIMITEDOut of stock. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.