Baxi
Baxi Plate Heat Exchanger 24/28 720544401
Baxi 720544401 plate heat exchanger for Avanta and Avanta Plus combi boilers, transferring heat to the domestic hot water circuit.
At a glance
- Part type: Plate heat exchanger
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
£255.60
£213.00 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 Baxi 720544401 is a plate heat exchanger used in Baxi and Broag Remeha Avanta combi boilers. It transfers heat from the primary circuit into the domestic hot water supply, making it central to hot water production in the appliance. The part is supplied by Baxi as a replacement for the original component in this appliance family.
Signs this part needs replacing
- Domestic hot water runs lukewarm, or alternates between hot and cold
- Hot water flow rate at the tap drops noticeably
- Scale or system debris restricting the plate channels
- Water weeping from the plate stack or its seals
- Boiler locking out or showing a hot water related fault
Before you order
- Check the GC number and model on the appliance data badge against the compatibility list.
- The previous number S62775 may be marked on the part being removed.
- Check whether new seals or gaskets are needed for reassembly.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Heat Exchangers |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 720544401 |
|---|---|
| GC number | H39-172 |
| Barcode / EAN | 720544401 |
| Commodity code | 8419 50 00 00 |
| GPC classification | Household Boilers/Furnaces/Tank Water Heaters Replacement Parts/Accessories |
| Alternative numbers | PLATE-HEAT-EX-KIT-2428, S62775 |
| Previous numbers | S62775 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI AVANTA PLUS COMBI 24C | 47-075-77 | 47-075-77 | — | — |
| BAXI AVANTA PLUS COMBI 28C | 47-075-78 | 47-075-78 | — | — |
| BROAG REMEHA AVANTA EXCLUSIVE 28C | 47-288-03 | 47-288-03 | — | — |
| BROAG REMEHA AVANTA PLUS COMBI 24C | 47-288-01 | 47-288-01 | — | — |
| BROAG REMEHA AVANTA PLUS COMBI 28C | 47-673-02 | 47-673-02 | — | — |
| BROAG REMEHA AVANTA PLUS ECO COMBI 28C | 47-288-02 | 47-288-02 | — | — |
| BROAG REMEHA REMEHA AVANTA PLUS 24C COMBI | — | — | — | |
| BROAG REMEHA REMEHA AVANTA PLUS 28C COMBI | — | — | — | |
| BROAG REMEHA REMEHA AVANTA PLUS 28C ECO COMBI | — | — | — |
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.
BAXI appliance manual — AVANTA PLUS COMBI 24C (GC 47-075-77), AVANTA PLUS COMBI 28C (GC 47-075-78)
manualmanualBROAG REMEHA appliance manual — AVANTA EXCLUSIVE 28C (GC 47-288-03)
manualmanualBROAG REMEHA appliance manual — AVANTA PLUS COMBI 24C (GC 47-288-01), AVANTA PLUS COMBI 28C (GC 47-673-02)
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