
Sime
Sime Nipple 3/4 Inch x 3/4 Inch OT 6120502
Sime 6120502 3/4 inch x 3/4 inch OT nipple for Murelle HE and Planet DEWY boilers.
At a glance
- Also known as 8921921
Showing prices
£9.47
£7.89 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Sime 6120502 is a 3/4 inch x 3/4 inch OT nipple. It is a threaded fitting used in Sime Murelle HE and Planet DEWY boiler installations.
Signs this part needs replacing
- Visible corrosion or rust on the nipple
- Weeping or leaking at the threaded joint
- Damaged or cross-threaded threads
- Cracking or deformation of the fitting
- Water staining around the connection
Before you order
- Confirm your boiler model matches one of the listed appliances
- Check that the required thread size is 3/4 inch x 3/4 inch
- Verify the part number 6120502 against the existing component
- Check whether one or more nipples are required for the repair
Compliance
| Alternative numbers | 8921921 |
|---|
| 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 MURELLE HE 50 R M MET - 8111201 | — | — | — | |
| SIME PLANET DEWY 100 BFR - 8104950 | 41-283-11 | 41-283-11 | — | — |
| SIME SIME MURELLE HE 50 R M MET | — | — | — | |
| SIME SIME PLANET DEWY 100 BFR | — | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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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