The Hombli Smart Radiator Thermostat Start Kit fits most radiator valves thanks to the included adapters. Adapters for Danfoss, Caleffi and Giacomini valves are included to allow connection to the following valve sizes:
- Danfoss: Ø 23 mm
- Caleffi: Ø 21 mm
- Giacomini: Ø 22 mm

You can also check whether your radiator valve is compatible on the Hombli website by visiting the adapter check: [hombli.com/adapter].

Adapters for the following valves are also supplied:

- Danfoss (Ø 23 mm)
- Caleffi (Ø 21 mm)
- Giacomini (Ø 22 mm)

For which valves are adapters supplied