
Sime
Sime DHW Heat Exchanger 6222803
Sime DHW heat exchanger, part 6222803, for the Sime Super 90 gas boiler.
At a glance
- Also known as DHW-EXCHANGER-PFA26-60, 2040846
Showing prices
£276.12
£230.10 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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 6222803 is a domestic hot water heat exchanger for Sime gas boilers. It transfers heat from the boiler's primary circuit to the domestic hot water supply. This calorifier-type exchanger is listed for the Sime Super 90.
Signs this part needs replacing
- Domestic hot water runs cool or fluctuates in temperature
- Reduced hot water flow rate at the tap
- Limescale or debris restricting the exchanger
- Water leaking from the exchanger body or its connections
- Boiler locks out or fails to fire on a hot water demand
Before you order
- Confirm the appliance is a Sime Super 90 or Super 90 - 8088902
- Check the part number 6222803 against the manufacturer's parts list for your model
- Inspect the existing exchanger's connections and mountings before ordering
Compliance
| Alternative numbers | DHW-EXCHANGER-PFA26-60, 2040846 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SIME SIME SUPER 90 | — | — | — | |
| SIME SUPER 90 - 8088902 | 47-719-01 | 47-719-01 | — | — |
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.
