Ferroli
Ferroli secondary heat exchanger 39837730
Genuine Ferroli secondary heat exchanger for the Domi Condense F24 and F28 boilers.
At a glance
- Also known as 1211737
- Fitting should be carried out by a Gas Safe registered engineer
Showing prices
£604.81
£504.01 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
A genuine Ferroli secondary heat exchanger, part number 39837730. In a combination boiler it transfers heat between the two closed water circuits, allowing domestic hot water to be heated on demand.
Signs this part needs replacing
- Hot water runs lukewarm or cold while central heating works normally
- Boiler locks out on a flow or temperature fault when hot water is demanded
- Reduced hot water flow rate at the taps
- Kettling or banging noise when hot water is drawn
Before you order
- Match the part number on your existing exchanger before ordering
- Isolate the water and electrical supply before removing the old exchanger
- Fitting should be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 1211737 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| FERROLI DOMICONDENS F24 | 47-267-50 | 47-267-50 | — | — |
| FERROLI DOMICONDENS F28 | 47-267-76 | 47-267-76 | — | — |
| FERROLI FERROLI DOMICONDENS 24 | — | — | — | |
| FERROLI FERROLI DOMICONDENS 28 | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.