IT FITS FOR Baxi COMBI HE 105
Baxi COMBI INSTANT HE 105
Baxi COMBI INSTANT HE 80
Main COMBI 24 HE
Main COMBI 30 HE
Main HE SYSTEM 18
Main HE SYSTEM 24
Main HE SYSTEM 28
Potterton PERFORMA 24 Eco HE
Potterton PERFORMA 24 I HE
Potterton PERFORMA 30HE
Potterton PERFORMA SYSTEM 12
Potterton PERFORMA SYSTEM 18
Potterton PERFORMA SYSTEM 24
Potterton PERFORMA SYSTEM 28