Sime
Sime Hydrometer 6146111
Sime 6146111 hydrometer for Sime gas boilers, listed in the pressure gauge category.
At a glance
- Also known as 2042842
Showing prices
£21.90
£18.25 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 6146111 is a hydrometer for Sime gas boilers. It is listed in the pressure gauge category for these appliances. It provides a hydrometer function within the boiler's pressure-related assembly.
Signs this part needs replacing
- Inaccurate or fluctuating pressure readings from the boiler gauge.
- The hydrometer or gauge assembly shows visible damage, cracks, or corrosion.
- Leaks or weeping from the hydrometer connection or housing.
- Boiler pressure errors, lockouts, or fault codes linked to pressure monitoring.
- The part no longer responds correctly when the system pressure changes.
Before you order
- Confirm the appliance model and GC number against the fitment list.
- Check the existing part is marked 6146111 or matches the manufacturer's parts list.
- Verify the boiler is a Sime gas boiler within the listed appliance families.
- Check for any model-specific variants, including time clock or system versions.
Compliance
| Alternative numbers | 2042842 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME BRAVA DGT HE25 - ?8111800 | 47-283-38 | 47-283-38 | — | — |
| SIME BRAVA DGT HE30 - ?8111802 | 47-283-39 | 47-283-39 | — | — |
| SIME BRAVA DGT HE35 - ?8111804 | 47-283-40 | 47-283-40 | — | — |
| 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 30 HE-EV (WITHOUT TIME CLOCK) - 8104025 | 47-283-33 | 47-283-33 | — | — |
| SIME ECOMFORT PLUS 30 HE-EV - 8104021 | 47-283-31 | 47-283-31 | — | — |
| SIME ECOMFORT SYSTEM PLUS 25 HE-EV - 8104030 | 41-283-26 | 41-283-26 | — | — |
| SIME FORMAT DGT 25 BF GPL - 8109201 | — | — | — | |
| SIME FORMAT DGT 25 BF MET - 8109200 | — | — | — |
Showing 10 of 44 compatible appliances.
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.
manual
SIME appliance manual — BRAVA DGT HE25 - ?8111800 (GC 47-283-38), BRAVA DGT HE30 - ?8111802 (GC 47-283-39), BRAVA DGT HE35 - ?8111804 (GC 47-283-40)
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 PLUS 30 HE-EV (WITHOUT TIME CLOCK) - 8104025 (GC 47-283-33), ECOMFORT PLUS 30 HE-EV - 8104021 (GC 47-283-31), ECOMFORT SYSTEM PLUS 25 HE-EV - 8104030 (GC 41-283-26)
manualmanualSIME appliance manual — FORMAT DGT HE12 SYSTEM - 8108116, FORMAT DGT HE20 SYSTEM - 8108118 (GC 41-283-18), FORMAT DGT HE25 - 8108110 (GC 47-283-24), FORMAT DGT HE30 - 8108112 (GC 47-283-25), FORMAT DGT HE35 - 8108114 (GC 47-283-26)
manualmanualSIME appliance manual — METROPOLIS DGT 25 BF GPL - 8107901, METROPOLIS DGT 25 BF LPG - 8107910, METROPOLIS DGT 25 BF MET - 8107900, METROPOLIS DGT 25 BF NG - 8107911, METROPOLIS DGT 25 OF GPL - 8107801
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