Sime
Sime Technyl Hydraulic Group 5187349
The Sime Technyl hydraulic group (part number 5187349) is a component for Sime gas boilers.
At a glance
- Also known as 2042784
Showing prices
£295.43
£246.19 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 Technyl hydraulic group is a component used in Sime gas boilers. It forms part of the boiler's hydraulic circuit, managing water flow within the appliance. This part is identified by manufacturer part number 5187349.
Signs this part needs replacing
- Water leaks from the hydraulic group area
- Loss of system pressure or frequent pressure drops
- Visible cracks or degradation of the Technyl material
- Boiler failing to maintain correct operating pressure
- Unusual noises from the hydraulic circuit
Before you order
- Confirm your boiler model matches one listed in the Fits section.
- Check the part number on your existing component is 5187349.
- Inspect the hydraulic group for cracks or leaks before ordering.
- Ensure the boiler is isolated and depressurised before replacement.
Compliance
| Alternative numbers | 2042784 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME ECONOMY HE30 BF BOILER | — | — | — | |
| SIME ECONOMY HE35 BF BOILER | — | — | — | |
| SIME MURELLE HE30 BF - 8106312 | 47-283-11 | 47-283-11 | — | — |
| SIME MURELLE HE35 BF - 8106314 | 47-283-12 | 47-283-12 | — | — |
| SIME SIME MURELLE HE30 BF | — | — | — | |
| SIME SIME MURELLE HE35 BF | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.