Caleffi

Caleffi is an Italian manufacturer of hydronic components for heating, plumbing and renewable energy systems, supplied in the UK through its group company Altecnic. Hanicks stocks Caleffi spares and parts. Examples include pressure reducing valves such as the Multibloc nut style model, which helps control the water pressure in a heating system. Search by part number to find the Caleffi part that suits your heating system.