01, 08
The range
Eight categories, fourteen product groups. The same structure as the printed 2026 catalogue, with the full technical documentation for every series.
01
Storage & expansion
Cylinders, buffer tanks and expansion vessels: the heart of every heating system.
View category
WBTWENTA
Cylinder with single coil
Indirectly heated domestic hot water cylinder with one heat exchanger.
WBCWENTA
Cylinder with twin coil
Two heat sources, one buffer of hot water.
WBFWENTA
Buffer tank
Buffer heat intelligently between source and system.
WEWENTA
Expansion & pressure vessels
Absorbs the expansion of heated water.
03
Pipes & fittings
From cast-iron threaded fittings to steel weld fittings, pipes and brass connectors.
View category04
Valves & accessories
Valves, check valves, strainers and couplings from DN 8 to DN 600.
View category








