IVT Internal sensor. (Old model Fits with Rego 600 controller)
Suitable
IVT Greenline C4
IVT Greenline C5
IVT Greenline C7
IVT Greenline C9
IVT Greenline HT Plus C6 RF
IVT Greenline HT Plus E6
IVT Greenline HT Plus C7 RF
IVT Greenline HT Plus E 7
IVT Greenline HT Plus C9 RF
IVT Greenline HT Plus E 9
IVT Greenline HT Plus C11 RF
IVT Greenline HT Plus E11
IVT Greenline HT Plus E 14
IVT Greenline HT Plus E17/9 kW