Flamco Contra-Flex Heating Expansion Vessel

Top-quality high strength steel, with a gleaming red (RAL 3002) epoxy powder coating – perfect protection and finish. Clampring of heavy-duty thermally-galvanised steel (sendzimir). Flexible butyl diaphragms with rolling action are suitable for use with glycol based anti freeze ...Top-quality high strength steel, with a gleaming red (RAL 3002) epoxy powder coating – perfect protection and finish.

Clampring of heavy-duty thermally-galvanised steel (sendzimir). Flexible butyl diaphragms with rolling action are suitable for use with glycol based anti freeze addition up to 50%. The nitrogen airvalve is sunk and cannot be damaged due to the cap and extra protective plastic beige coverplate.

Uncoated threaded system connection, ensuring problem free connecting. Please note: These are re-branded Flamco vessels which allows us to provide them for far better value.