
Baxi Neta-Tec 24 GA Plate Heat Exchanger 14 Plates – Refurbished | Part No. 720776401
SKU: PLA-1321-A-BC
SKU:
PLA-1321-A-BC
Manufacturer Part Number:
720776401Inconsistent hot water, fluctuating shower temperatures, or a boiler that struggles to heat water on demand are classic signs of a failing plate heat exchanger. In Baxi combi boilers, this component is responsible for transferring heat between the primary circuit and the domestic hot water supply — and when it scales up or deteriorates internally, performance suffers fast. The Baxi Neta-Tec 24 GA Plate Heat Exchanger, 14 Plates (Part No. 720776401) is the direct refurbished replacement that restores efficient heat transfer and gets your hot water back to full performance.
This 14-plate kit is compatible across a wide range of Baxi Combi, Ecoblue, Plus, and Neta-Tec series boilers. Each refurbished unit is fully stripped, cleaned, descaled, and pressure-tested before dispatch, delivering manufacturer-standard performance at a fraction of the cost of a new part.
Compatible Boiler Models
| Model | GC No. |
|---|---|
| Baxi 124 Combi | 47-077-25 |
| Baxi 128 Combi | 47-077-26 |
| Baxi Combi 28 Compact | 47-075-72 |
| Baxi Ecoblue 24 Combi | 47-075-81 |
| Baxi Ecoblue 28 Combi | 47-075-82 |
| Baxi Ecoblue 33 Combi | 47-075-83 |
| Baxi Plus Combi 24 | 47-075-84 |
| Baxi Plus Combi 28 | 47-075-85 |
| Baxi Plus Combi 33 | 47-075-86 |
| Baxi 24 Combi Ecoblue ERP | 47-077-11 |
| Baxi 28 Combi Ecoblue ERP | 47-077-12 |
| Baxi 33 Combi Ecoblue ERP | 47-077-13 |
| Baxi Plus Combi 24 ERP | 47-077-08 |
| Baxi Plus Combi 28 ERP | 47-077-09 |
| Baxi Plus Combi 33 ERP | 47-077-10 |
| Baxi Neta-Tec 24 GA | 47-075-51 |
| Baxi Neta-Tec 28 GA | 47-075-52 |
| Baxi Neta-Tec Plus Combi 24 GA | 47-075-64 |
| Baxi Neta-Tec Plus Combi 28 GA | 47-075-65 |
OEM Quality. Proven Performance. Backed by Warranty.
Every refurbished plate heat exchanger in our range is thoroughly cleaned, descaled, and pressure-tested to original manufacturer standards before dispatch. This 720776401 unit restores reliable heat transfer between circuits, resolving lukewarm water and temperature fluctuation issues. Supplied with a full 12-month warranty, it is a cost-effective and dependable solution for homeowners and Gas Safe engineers alike.
Delivery & Returns
Orders placed before 1:00 PM are dispatched the same working day, with standard and next-day delivery options available at checkout. Returns are accepted within 30 days, provided the item is unused and in its original packaging.
Note: Please confirm that part number 720776401 matches your existing unit before ordering. Installation must be carried out by a Gas Safe registered engineer to ensure safety compliance and warranty validity.
| SKU | PLA-1321-A-BC |
Baxi
Free Delivery
Free UK delivery on orders over £75. Same-day dispatch on orders placed before 4pm on working days.
Returns
We offer a 30-day returns policy. Items must be returned in original condition and packaging. Contact our team to arrange a return.



