
Potterton
Potterton Flexible Bypass Valve Kit 5111833
Flexible bypass valve kit for Potterton Powermax and Promax store appliances, part number 5111833.
At a glance
- Also known as 1151376
£80.81
£67.34 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 Potterton 5111833 is a flexible bypass valve kit for Potterton Powermax and Promax store appliances. The bypass valve regulates flow through the primary circuit, maintaining correct differential pressure across the system. It is supplied as a kit for installation on the listed boiler and cylinder store models.
Signs this part needs replacing
- Poor or erratic temperature control across the heating circuit
- Boiler cycling or short-cycling during demand
- Excessive noise from the primary circuit or pipework
- Uneven heat output between radiators
- Visible leakage, scale or debris at the bypass valve body
Before you order
- Confirm the appliance model matches one of the listings above
- Check the serial number prefix and suffix against the fitment notes
- Verify the cylinder size where a store model is fitted
- Check the existing valve and connections before ordering
Compliance
| GC number | E94-165 |
|---|---|
| Barcode / EAN | 5039177655091 |
| Alternative numbers | 1151376 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON POTTERTON PROMAX 24 STORE 115L CYLINDER ErP FROM SERIAL No. PYR16 ENDING in BC | — | — | — | |
| POTTERTON POTTERTON PROMAX 24 STORE 115L CYLINDER ErP ISS 02 SERIAL No. ENDING AC | — | — | — | |
| POTTERTON POTTERTON PROMAX 24 STORE 150L CYLINDER ErP FROM SERIAL No. PYY16 ENDING in BC | — | — | — | |
| POTTERTON POTTERTON PROMAX 24 STORE 150L CYLINDER ErP ISS 02 SERIAL No. ENDING AC | — | — | — | |
| POTTERTON POTTERTON PROMAX 24 STORE 90L CYLINDER ErP FROM SERIAL No. PYL16 ENDING in BC | — | — | — | |
| POTTERTON POTTERTON PROMAX 24 STORE 90L CYLINDER ErP ISS 02 SERIAL No. ENDING AC | — | — | — | |
| POTTERTON POTTERTON PROMAX STORE 24 HE BOILER | — | — | — | |
| POTTERTON POWERMAX HE115 | 41-389-16 | 41-389-16 | — | — |
| POTTERTON POWERMAX HE150 | 41-389-17 | 41-389-17 | — | — |
| POTTERTON POWERMAX HE85 | 41-389-15 | 41-389-15 | — | — |
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 — POWERMAX HE115 (GC 41-389-16), POWERMAX HE150 (GC 41-389-17), POWERMAX HE85 (GC 41-389-15)
manualmanualPOTTERTON appliance manual — PROMAX 24 STORE 115L CYLINDER ErP - SERIAL No. ENDING AC (GC 41-592-48), PROMAX 24 STORE 115L CYLINDER ErP - SERIAL No. ENDING BC (GC 41-592-48), PROMAX 24 STORE 150L CYLINDER ErP - SERIAL No. ENDING AC (GC 41-592-49), PROMAX 24 STORE 150L CYLINDER ErP - SERIAL No. ENDING BC (GC 41-592-49), PROMAX 24 STORE 90L CYLINDER ErP - SERIAL No. ENDING AC (GC 41-592-47), PROMAX 24 STORE 90L CYLINDER ErP - SERIAL No. ENDING BC (GC 41-592-47)
manualmanualPOTTERTON appliance manual — PROMAX HE STORE 115 LITRE (GC 41-591-76), PROMAX HE STORE 150 LITRE (GC 41-591-77), PROMAX HE STORE 90 LITRE (GC 41-601-24)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
