Chaffoteaux
Chaffoteaux Overheat Thermostat 75°C 61003959
Chaffoteaux 61003959 is a 75°C overheat thermostat for Moduloflame 280 and 420 gas boilers.
At a glance
- Also known as 1610540
Showing prices
£43.39
£36.16 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
The Chaffoteaux 61003959 is a 75°C overheat thermostat for Moduloflame 280 and 420 gas boilers. It is listed as an overheat (spillage) thermostat for these appliances.
Signs this part needs replacing
- Boiler repeatedly locks out or shuts down during operation
- Overheat trip requires frequent resetting
- No heating or hot water until the boiler is reset
- Boiler stops firing when it reaches normal operating temperature
- Overheat warning or lockout occurs without another obvious fault
Before you order
- Confirm your boiler is a Chaffoteaux Moduloflame 280 or 420
- Check the existing thermostat is rated 75°C
- Check the part number 61003959 against the existing component
- Confirm the appliance gas type where applicable, as NAT GAS models are listed
Compliance
| Barcode / EAN | 3234090097115 |
|---|---|
| Alternative numbers | 1610540 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| CHAFFOTEAUX CHAFFOTEAUX MODULOFLAME 280 | — | — | — | |
| CHAFFOTEAUX CHAFFOTEAUX MODULOFLAME 420 | — | — | — | |
| CHAFFOTEAUX MODULOFLAME 280 NAT GAS MOD 31 - MAR 1996 | — | — | — | |
| CHAFFOTEAUX MODULOFLAME 280 NAT GAS MOD 32 - SEPT 1997 | — | — | — | |
| CHAFFOTEAUX MODULOFLAME 420 NAT GAS MOD 31 - MAR 1996 | — | — | — | |
| CHAFFOTEAUX MODULOFLAME 420 NAT GAS MOD 32 - SEPT 1997 | — | — | — |
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.
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