Ferroli
Ferroli Expansion Vessel 39836720
10 litre expansion vessel for Ferroli gas boilers, part number 39836720.
At a glance
- Also known as 1211829
£158.15
£131.79 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Ferroli 39836720 is a 10 litre expansion vessel for Ferroli gas boilers. It absorbs the expansion of water as the heating system heats up, helping to maintain stable pressure in the sealed circuit. This component is listed under expansion vessels in the gas boiler spares category.
Signs this part needs replacing
- Boiler pressure rises significantly when the heating is running
- Frequent loss of system pressure or need to top up
- Water discharging from the pressure relief valve
- Boiler locks out or shows a low pressure fault
- Knocking or banging noises from the boiler during heat-up
Before you order
- Check the boiler's model and part number against the data plate
- Confirm the existing expansion vessel's capacity is 10 litres
- Ensure the heating system is depressurised before removal
- Verify the part number 39836720 matches your boiler's parts list
Compliance
| Alternative numbers | FER39836720, 1211829 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| FERROLI DIVATOP HF32 - 30K0762000 (23/03/2009) | — | — | — | |
| FERROLI DIVATOP MICRO C32 - 30K0884000 (01/02/2010) | — | — | — | |
| FERROLI DIVATOP MICRO F32 - 30K0885000 (01/02/2010) | — | — | — | |
| FERROLI DIVATOP MICRO F37 - 30K0831002 (01/04/2012) | — | — | — | |
| FERROLI DOMIPROJECT F32D - 30K1032000 (12/09/2011) | — | — | — | |
| FERROLI FERROLI OPTIMAX HE PLUS 38C V2 | — | — | — |
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.
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