Altecnic Caleffi F0000412 6 Bar Pressure Relief Valve with Circlip Connection for MK3 Multibloc Unvented Cylinder Systems
£44.99Altecnic Caleffi F0000412 Pressure Relief Valve features a 6 Bar rating and circlip connection—designed as a direct replacement for MK3 Caleffi multiblocs in unvented hot water systems.