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Sensor - Flow 100C Combined

Part number (MPN)
39821530
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Source
retailer parts list
checked 2026-11-06
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 39821530 fit?

The sources we checked list 39821530 (Sensor - Flow 100C Combined, Ferroli) for: ECONCEPT 101 COMBI NG, ECONCEPT 51 A COMBI NG, EXTREMA 30 C COMBI NG, EXTREMA 38 C COMBI NG, OPTIMAX HE 18 S SYSTEM NG, Ferroli Optimax HE 25S, Ferroli Optimax HE 31C, Ferroli Optimax HE 31S, Ferroli Optimax HE 38C, Ferroli Optimax HE Plus 18 Ov, Ferroli Optimax HE Plus 18S, Ferroli Optimax HE Plus 25 Ov, Ferroli Optimax HE Plus 25S, Ferroli Optimax HE Plus 31C, Ferroli Optimax HE Plus 35S, Ferroli Optimax HE Plus 38C, TECH 18 OV SYSTEM NG, TECH 25 OV SYSTEM NG, TECH 31 C COMBI NG, TECH 38 C COMBI NG. Always check the model and serial number on the data plate before ordering.

Does 39821530 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 39821530. Ask a Ferroli stockist to confirm.

What should I check before fitting 39821530?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.