





Baxi Duo Tec 33 HE 20 Plate Heat Exchanger 5114708

£34.99 Original price was: £34.99.£24.99Current price is: £24.99.
- Baxi Duo Tec 33 HE 20 Plate Heat Exchanger
- Baxi Part Numbers: 5114708 / 7223558
- Condition: Refurbished, fully tested
- Comes with 12-months warranty
- Compatible with selected Baxi Duo Tec HE and Platinum Combi HE boilers
1 in stock
The Baxi Duo Tec 33 HE 20 Plate Heat Exchanger transfers heat from the boiler to your domestic hot water supply. This refurbished plate heat exchanger replaces part number 5114708 and now uses replacement part number 7223558. It helps restore hot water performance, improves heating efficiency, and supports reliable boiler operation. A worn heat exchanger can reduce hot water flow and heating performance, making this replacement an effective solution.
Compatible Boilers
This part is compatible with the following models:
Baxi Duo Tec HE Series
- Duo Tec 24 HE – GC No. 47-075-23
- Duo Tec 28 HE – GC No. 47-075-25
- Duo Tec 33 HE – GC No. 47-075-24
Baxi Platinum Combi HE Series
- Platinum Combi 24 HE – GC No. 47-075-27
- Platinum Combi 28 HE – GC No. 47-075-28
Why Choose This Product?
This refurbished Baxi Duo Tec 33 HE 20 Plate Heat Exchanger provides a reliable and affordable way to restore your boiler’s hot water performance. Every unit undergoes comprehensive testing to ensure dependable operation and consistent heat transfer. The heat exchanger helps maintain stable water temperatures, improves energy efficiency, and supports the smooth operation of your heating system.
Replacing a faulty heat exchanger can improve hot water flow, reduce heating issues, and help extend the service life of your boiler. This replacement part offers excellent value while delivering reliable performance in compatible Baxi boilers.
Delivery and Return
Place orders before 1 PM for same-day dispatch through reliable couriers. Choose from standard or next-day delivery options at checkout. Returns are accepted within 30 days if the part remains unused and in its original packaging. Always use a Gas Safe registered engineer to install boiler parts safely and correctly.
Frequently Asked Questions
1. What does the Baxi Duo Tec 33 HE 20 Plate Heat Exchanger do?
The Baxi Duo Tec 33 HE 20 Plate Heat Exchanger transfers heat from the boiler water to your domestic hot water supply. It helps provide a steady flow of hot water without mixing the two water circuits.
2. Is part number 7223558 the replacement for 5114708?
Yes. Baxi now uses part number 7223558 as the replacement for the older part number 5114708. Both part numbers refer to the same compatible plate heat exchanger.
3. Is this a refurbished plate heat exchanger?
Yes. This is a refurbished plate heat exchanger that has been fully tested to ensure reliable performance. It also comes with a 12-month warranty.
4. How do I know if this part fits my boiler?
Check your boiler model, GC number, and existing part number. If your current part number is 5114708 or 7223558 and your boiler appears in the compatibility list, this heat exchanger is suitable.
5. Can I install this plate heat exchanger myself?
No. You should always use a Gas Safe registered engineer to install boiler components safely and correctly.
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Delivery Information
Depending on your selection during checkout the products will be delivered either by courier service or Royal Mail first class post. Purchases made after 1 pm are not guaranteed to be dispatched the same day, although most of the time we are able to dispatch until 4 pm. Royal Mail deliveries usually take from 1-3 days and delivery times depend on them. Please select courier service during checkout if you need the part urgently we advise you to select next day delivery.
Overview
Our refund and returns policy last 30 days. If 30 days have passed since your purchase, we can’t offer you a full refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.Any damage caused to the manufacturer’s packaging will result in the rejection of the return; this includes the manufacturer’s seal is broken. Note: When you return faulty parts customer pays return postage. Please ensure whilst buying, that the part you are buying is the correct one required, as we charge a 20% restocking fee.
Items that are not required or wrongly purchased must be returned in their original packaging and will be subject to a 20% restocking fee
Refunds
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted.
Next, contact your bank. There is often some processing time before a refund is posted.
If you’ve done all of this and you still have not received your refund yet, please contact us at {email address}.
Sale items
Only regular-priced items may be refunded. Sale items cannot be refunded.
Exchanges
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at {email address} and send your item to: {physical address}..
Shipping Returns
To return your product, you should send your product to:
1-4 WINGROVE HOUSE
PONTELAND ROAD
NEWCASTLE UPON TYNE
NE5 3AJ
UK
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live, the time it may take for your exchanged product to reach you may vary.
If you are returning more expensive items, you may consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.
Need help?
Contact us at hi@heatingandcateringparts.com for questions related to refunds and returns.





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