Ferroli Optimax HE DHW Heat exchanger O rings (qty 4) pt no 39841660
Ferroli 39819550 thermostat
Ferroli gas valve flange & rubber washer 39807190
Ferroli Optimax HE 31C installation, maintenance & servicing booklet
Ferroli Optimax + pt no 39828050 Gas Valve VK4115V E1013 4
Ferroli flow meter connector 39837170
Ferroli 39821970 Sight Glass for 76ff, 77ff, Optima & Hawk range
Ferroli 39821711 burner gasket assembly
Ferroli 39845890 flue sensor (3296338)
Ferroli automatic air vent 39818220 Optimax range
Ferroli PCB pt no 3980L331
Ferroli Flue elbow rubber seal outside diameter 135mm
