Helo Timer/Thermostat black knob

Helo Timer/Thermostat black knob.

Knob for timer & thermostat.

Fits the following Helo models:

• Cup ST (1712 -xx -1718)
• Apollo ST (1712-xx-171820)
• Lumi ST / STJ (1707-xx-1718)
• Softhot ST (1714 -xx- 1718)
• Fantasy ST (19005xx, 19605xx)
• Kastor ViVa (HL)
• Inferno II (SO)
• Inferno III (KO)