ZETA TOP 50, hot water air heaters by LERSEN, use state-of-the-art axial fans with a plastic diffuser, which ensure a 10–20% higher air flow at the same power input.
The new ZETA models offer a new geometry of heat exchangers. The fins now have a pitch of 4.23 mm, which ensures better air flow and no risk of clogging with dust. The exchangers are made of copper and aluminium as standard to withstand even aggressive environments; on request, they can be provided with a special surface treatment and the housing of the stainless steel unit.
A large number of blinds and diffusers are supplied for ZETA units. They can also be connected to mixing chamber assemblies that can provide for summer ventilation. There is also a remote control that allows you to continuously change the fan speed. It can also be switched to full power or the fan can be switched off completely.