Sime
Sime Air Diaphragm 6028624
Air diaphragm, 87.5 mm diameter, for Sime gas boilers, also listed as an outer flue rubber seal ring for the sealed chamber.
At a glance
- Also known as AIR-DIAPHRAGM--875, 2040304
£5.50
£4.58 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 Sime 6028624 is an air diaphragm with an 87.5 mm diameter, used in Sime gas boilers. It is also listed as an outer flue rubber seal ring for the top of the sealed chamber. It sits within the boiler's air and flue sealing arrangement.
Signs this part needs replacing
- Rubber is cracked, hardened or perished
- Flue gas readings outside the expected range
- Whistling or draught noise from the flue or sealed chamber area
- Signs of leakage or condensate around the seal
- Boiler struggling to maintain stable combustion
Before you order
- Check your boiler model and GC number against the fitment list
- Confirm the existing part measures 87.5 mm in diameter
- Check the part number 6028624 on the component being replaced
- If unsure, consult the manufacturer's parts list for your appliance
Compliance
| Alternative numbers | AIR-DIAPHRAGM--875, 2040304 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME CLIMIT GGF 28 BF MET - 8104668 | — | — | — | |
| SIME ECOMFORT 25HE | 47-283-06 | 47-283-06 | — | — |
| SIME ECOMFORT 30HE | 47-719-25 | 47-719-25 | — | — |
| SIME ECOMFORT PLUS 25 HE-EV (WITHOUT TIME CLOCK) - 8104026 | 47-283-32 | 47-283-32 | — | — |
| SIME ECOMFORT PLUS 25 HE-EV - 8104022 | 47-283-30 | 47-283-30 | — | — |
| SIME ECOMFORT PLUS 25HE - 8104012 | 47-283-13 | 47-283-13 | — | — |
| SIME ECOMFORT PLUS 25HE SYSTEM - 8104013 | 41-283-10 | 41-283-10 | — | — |
| SIME ECOMFORT PLUS 30 HE - 8104011 | 47-283-14 | 47-283-14 | — | — |
| SIME ECOMFORT SYSTEM 25HE | 41-283-04 | 41-283-04 | — | — |
| SIME ECOMFORT SYSTEM PLUS 25 HE-EV - 8104030 | 41-283-26 | 41-283-26 | — | — |
Showing 10 of 65 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.
SIME appliance manual — ECOMFORT 25HE (GC 47-283-06), ECOMFORT 30HE (GC 47-719-25), ECOMFORT SYSTEM 25HE (GC 41-283-04)
manualmanualSIME appliance manual — ECOMFORT PLUS 25 HE-EV (WITHOUT TIME CLOCK) - 8104026 (GC 47-283-32), ECOMFORT PLUS 25 HE-EV - 8104022 (GC 47-283-30), ECOMFORT SYSTEM PLUS 25 HE-EV - 8104030 (GC 41-283-26)
manualmanualSIME appliance manual — ECOMFORT PLUS 25HE - 8104012 (GC 47-283-13), ECOMFORT PLUS 25HE SYSTEM - 8104013 (GC 41-283-10), ECOMFORT PLUS 30 HE - 8104011 (GC 47-283-14)
manualmanualSIME appliance manual — FORMAT 100C - 8098456 (GC 47-719-13), FORMAT 100C LPG - 8098455 (GC 47-719-13), FORMAT 110C (GC 47-719-21), FORMAT 80C - 8098454 (GC 47-719-12), FORMAT 80C LPG - 8098459 (GC 47-719-12)
manualmanualSIME appliance manual — FORMAT SYSTEM 24 LPG - 8098471, FORMAT SYSTEM 24 NATURAL GAS - 8098470 (GC 41-719-15), FORMAT SYSTEM 30 NATURAL GAS - 8098472 (GC 41-719-16)
manualmanualSIME appliance manual — MURELLE 25/55 BF MET - 8106600, MURELLE 30/55 BF MET - 8106602
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