Potterton
Potterton Overheat Thermostat Central Heating Thermodisc 36T21-12354
Potterton overheat thermostat for central heating, Thermodisc 36T21-12354, fitting a range of Ecotherm, Combi, LYNX 2 and PUMA boilers.
At a glance
- Part type: Thermostats
- Also known as 1120071
AvailabilityCall for price
Availability: no longer made. Call us and we'll check for stock.
No longer made: call us
The manufacturer has discontinued this part. Our team will check for remaining stock or a suitable replacement.
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Unused, in original packaging.
What it is
The Potterton 10/18735 Overheat Thermostat is a central heating thermostat supplied under the product name "Overheat Thermostat - Central Heating - Thermodisc 36T21-12354". It is classed as a thermostat and is made by Potterton. It is listed for use with a range of Potterton gas boilers.
Signs this part needs replacing
- The boiler's overheat protection is the function this thermostat is supplied for, so a fault in this component is the reason to check it.
- Check the thermostat if the boiler reports an overheat fault or shuts down repeatedly on overheat protection.
- Replace the thermostat if it is confirmed as faulty during diagnosis of an overheat shutdown.
Before you order
- Check the GC number on the data badge of the appliance against the GC numbers listed under Fits (for example 47-393-04, 47-393-03, 47-590-09) before ordering.
Compliance
| GC number | 381-896 |
|---|---|
| Barcode / EAN | 5039177574415 |
| Alternative numbers | 1120071 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMBI 100 | 47-393-04 | 47-393-04 | — | — |
| POTTERTON COMBI 80 | 47-393-03 | 47-393-03 | — | — |
| POTTERTON ECOTHERM EG 12KW | — | — | — | |
| POTTERTON ECOTHERM EG 18KW | — | — | — | |
| POTTERTON ECOTHERM EG 24KW | — | — | — | |
| POTTERTON ECOTHERM EGC 12KW | — | — | — | |
| POTTERTON ECOTHERM EGC 18KW | — | — | — | |
| POTTERTON ECOTHERM EGC 24KW | — | — | — | |
| POTTERTON ECOTHERM EGCV 12KW | — | — | — | |
| POTTERTON ECOTHERM EGCV 18KW | — | — | — |
Showing 10 of 20 compatible appliances.
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.
POTTERTON appliance manual — COMBI 80 (GC 47-393-03)
manualmanualPOTTERTON appliance manual — LYNX 2 - LPG (GC 47-590-09), LYNX 2 - NG (GC 47-590-08)
manualmanualPOTTERTON appliance manual — LYNX ELECTRONIC RS (GC 47-592-20)
manualmanualPOTTERTON appliance manual — PUMA 100 E SIT / HONEYWELL CONTROLS (GC 47-590-13)
manualmanualPOTTERTON appliance manual — PUMA 80 E SIT / HONEYWELL CONTROLS (GC 47-590-11)
manualmanualPOTTERTON appliance manual — PUMA FLOWSURE PLUS (GC 47-590-18)
manualNo technical questions yet for this part.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.