
Saunier Duval
Saunier Duval Flow Restrictor 05428000
12 litre flow restrictor for Saunier Duval Enviroplus F24E and F28E gas boilers.
At a glance
- Part type: flow restrictor
- Appliance family: Enviroplus
- Also known as 1416423
£32.05
£26.71 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 FLOW RESTRICTOR 12 LITRE is a Saunier Duval component for the Enviroplus range of gas boilers. It regulates the volume of water passing through the appliance circuit to a nominal 12 litre rating. The part is supplied under Saunier Duval part number 05428000.
Signs this part needs replacing
- Reduced water flow rate at the hot water outlets compared with normal operation
- Flow rate noticeably lower than the rated 12 litre figure the restrictor is designed to pass
- Scale or debris build-up visible on removal of the restrictor
- Inconsistent or fluctuating flow through the appliance circuit
Before you order
- Confirm the boiler model matches one of the Enviroplus variants listed above
- Check the age of the appliance against the UPTO December 2005 fitment notes
- Verify the existing restrictor carries the Saunier Duval part number 05428000
- Inspect the water circuit for scale or debris that may also be restricting flow
Compliance
| Alternative numbers | 1416423 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SAUNIER DUVAL ENVIROPLUS F24E | 47-920-45 | 47-920-45 | — | — |
| SAUNIER DUVAL ENVIROPLUS F24E - UPTO DECEMBER 2005 | 47-920-45 | 47-920-45 | — | — |
| SAUNIER DUVAL ENVIROPLUS F28E | 47-920-39 | 47-920-39 | — | — |
| SAUNIER DUVAL ENVIROPLUS F28E - UPTO DECEMBER 2005 | 47-920-39 | 47-920-39 | — | — |
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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