Potterton
Potterton By-Pass Valve Assembly 10/20590
Potterton by-pass valve assembly, part number 10/20590, for Ecotherm EG and EGV boilers.
At a glance
- Appliance family: Potterton Ecotherm EG
- Also known as 1120310
£4.58
£3.82 ex. VAT · VAT at 20%
Call 01302 279234 to check availability
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Potterton by-pass valve assembly, part number 10/20590, is a boiler component for the Ecotherm EG and EGV appliance families. It regulates flow through the boiler circuit to maintain a minimum flow rate when system demand falls. The assembly is listed as a spare for the Ecotherm EG and EGV models shown below.
Signs this part needs replacing
- Boiler short cycling when heating demand is low
- Whistling or kettling noise during operation
- Unstable or incorrect differential pressure across the system
- Water weeping from the valve body or connections
- Boiler overheating or lockout under low-flow conditions
Before you order
- Confirm the appliance is a Potterton Ecotherm EG or EGV with a 12KW, 18KW or 24KW rating
- Check the existing by-pass valve assembly part number is 10/20590
- Refer to the boiler's installation manual for the correct by-pass valve setting procedure
Compliance
| Alternative numbers | 1120310 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON ECOTHERM EG 12KW | — | — | — | |
| POTTERTON ECOTHERM EG 18KW | — | — | — | |
| POTTERTON ECOTHERM EG 24KW | — | — | — | |
| POTTERTON ECOTHERM EGV 12KW | — | — | — | |
| POTTERTON ECOTHERM EGV 18KW | — | — | — | |
| POTTERTON ECOTHERM EGV 24KW | — | — | — |
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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