Potterton
Potterton 402918 Ranco CL6-P0100 thermostat
Ranco CL6-P0100 operating thermostat, Potterton part 402918, used across the Flamingo, Kingfisher and Netaheat boiler ranges.
At a glance
- Also known as 1122432, POTTERTON402918
- Fitting must be carried out by a Gas Safe registered engineer
Showing prices
£360.00
£300.00 ex. VAT · VAT at 20%
In stock
Cut-off passed — dispatches next working day
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 402918 is a Ranco CL6-P0100 operating thermostat, supplied as a Potterton boiler spare. It senses system temperature and switches the boiler's burner control accordingly.
Signs this part needs replacing
- Appliance doesn't reach or hold its set temperature
- Thermostat knob has no effect on burner operation
- Boiler overheats or cuts out early
- Thermostat is stuck, cracked, or the capillary is kinked or damaged
Before you order
- Confirm the part number and GC number on your existing thermostat before ordering
- Isolate electrical power before removal
- Fitting must be carried out by a Gas Safe registered engineer
- As this part is discontinued, check stock and warranty before committing
Compliance
| GC number | 381-713 |
|---|---|
| Alternative numbers | 7625873250425, POTTERTON402918, POTTERTON402918, POTTERTON402918, 254889041267, 1122432 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON FIRESIDE 35/51 BBU - LPG | 44-590-15 | 44-590-15 | — | — |
| POTTERTON FIRESIDE 35/51 BBU - NG | 44-590-15 | 44-590-15 | — | — |
| POTTERTON PRIMA 30B | 41-605-94 | 41-605-94 | — | — |
| POTTERTON PRIMA 30C | 41-605-90 | 41-605-90 | — | — |
| POTTERTON PRIMA 40B | 41-605-95 | 41-605-95 | — | — |
| POTTERTON PRIMA 40C | 41-605-91 | 41-605-91 | — | — |
| POTTERTON PRIMA 50B | 41-605-96 | 41-605-96 | — | — |
| POTTERTON PRIMA 50C | 41-605-92 | 41-605-92 | — | — |
| POTTERTON PRIMA 60B | 41-605-97 | 41-605-97 | — | — |
| POTTERTON PRIMA 60C | 41-605-93 | 41-605-93 | — | — |
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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