Sime
Sime Automatic Air Vent 1/2 Inch 6013105
Sime automatic air vent, 1/2 inch connection, for use in Sime Planet Dewy, Murelle HE and ALU PLUS HE boilers.
£27.95
£23.29 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 automatic air vent with a 1/2 inch connection is a boiler component that continuously releases trapped air from the heating circuit. It is manufactured by Sime for use across a range of Sime gas boilers, including the Planet Dewy, Murelle HE and Commercial ALU PLUS HE families.
Signs this part needs replacing
- Water weeping or dripping from the vent body or cap
- Visible corrosion or scale build-up around the vent
- Persistent air noise or gurgling in the boiler that does not clear
- Repeated air locking in the heating circuit after bleeding
- System pressure that will not hold steady
Before you order
- Confirm the boiler model and serial or part reference against the fits list
- Check the existing vent connection size is 1/2 inch
- Inspect the mounting point and seating for damage before fitting
- Isolate and drain the appliance as required before removal
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME MURELLE HE 110 R - 8104960 | 41-283-28 | 41-283-28 | — | — |
| SIME MURELLE HE 110 R M - 8104990 | — | — | — | |
| SIME PLANET DEWY 100 BFR - 8104950 | 41-283-11 | 41-283-11 | — | — |
| SIME PLANET DEWY 60 BFR - 8093575 | 41-283-03 | 41-283-03 | — | — |
| SIME PLANET DEWY 60 BFR - 8093577 | 41-283-03 | 41-283-03 | — | — |
| SIME SIME PLANET DEWY 100 BFR | — | — | — | |
| SIME SIME PLANET DEWY 60 BFR (8093575) | — | — | — | |
| SIME SIME PLANET DEWY 60 BFR (8093577) | — | — | — | |
| SIME COMMERCIAL ALU PLUS HE 1100 - 8115781 | — | — | — | |
| SIME COMMERCIAL ALU PLUS HE 360 - 8115761 | — | — | — |
Showing 10 of 11 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 COMMERCIAL appliance manual — ALU PLUS HE 1100 - 8115781, ALU PLUS HE 360 - 8115761, ALU PLUS HE 720 - 8115771
manualmanualSIME appliance manual — MURELLE HE 110 R - 8104960 (GC 41-283-28), MURELLE HE 110 R M - 8104990
manualmanualSIME appliance manual — PLANET DEWY 100 BFR - 8104950 (GC 41-283-11), PLANET DEWY 60 BFR - 8093575 (GC 41-283-03), PLANET DEWY 60 BFR - 8093577 (GC 41-283-03)
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