Zehnder Zeta 1200×500 towel radiator, matt black RAL 9205, 476 W, ZET120509205

Zehnder Zeta 1200×500 is an elegant hydronic towel radiator featuring clean lines and a modern matt black RAL 9205 finish. It is designed for connection to a hot-water central heating system and combines comfortable room heating with practical towel drying.

The Zeta design features flat horizontal tube elements measuring 60 × 9 mm and square-profile vertical headers. Generous gaps between the horizontal tube groups make towels easy to hang and simplify cleaning.

The radiator measures 1200 × 500 mm. Nominal heat output according to EN 442 at 75/65/20 °C is 476 W. Heat output is 340 W at 70/55/24 °C, 209 W at 55/45/24 °C and 253 W at 55/45/20 °C.

Water content is 3.7 litres, radiator weight is 10.1 kg and the heat-output exponent n is 1.24.

Zehnder Zeta provides flexible installation with flow and return connections possible on either the right or left side. The standard hydronic version features 4 × ½" connections.

Maximum permissible operating pressure for the standard Zehnder Zeta is 10 bar. The radiator is suitable for conventional hot-water heating as well as low-temperature and condensing heating systems.

Dual-energy operation is also possible by adding a suitable electric heating element. Zehnder specifies a 300 W electric heating-element classification for this model. The electric heating element is not included as standard.

The matt-black finish gives the radiator a distinctive contemporary appearance, while its small wall clearance makes it suitable even for bathrooms where available space is limited.

Zehnder Zeta 1200×500 is a practical solution for bathrooms where efficient heating, convenient towel drying and contemporary black design are required.

Key advantages

• Matt black RAL 9205 finish.
• 476 W nominal heat output at 75/65/20 °C.
• 1200 × 500 mm dimensions.
• Flat horizontal elements 60 × 9 mm.
• Generous spacing for convenient towel hanging.
• Easy-to-clean construction.
• Flexible left- or right-side flow and return.
• 10 bar maximum operating pressure.
• Dual-energy operation possible.
• Small wall clearance.

Technical information