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Image of Baxi 18 HE System 4 Element Heat Exchanger 5122147

Image of Baxi 18 HE System 4 Element Heat Exchanger with Burner 5122147

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Image of Baxi 18 HE System Heat Exchanger 4 E 5122147

Image of Baxi 18 HE System 4 Element Heat Exchanger with Burner

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Image of Baxi 18 HE System Heat Exchanger 4 Element 5122147

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Baxi 18 HE System 4 Element Heat Exchanger 5122147

Original price was: £79.99.Current price is: £59.99.

Baxi 18 HE System 4 Element Heat Exchanger
Baxi Part Number: 5122147
Condition: Refurbished, fully tested
Comes with 12-months warranty
Fits Baxi He System, Duo Tec, Combi Erp and Megaflo boilers

1 in stock

Category: Heat Exchangers

Manufacturer Part Number: 5122147

The Baxi 18 HE System 4 Element Heat Exchanger with Burner restores efficient heating performance in your boiler. This refurbished heat exchanger with burner, part number 5122147, transfers heat effectively and supports reliable boiler operation. It helps your boiler produce consistent heating while improving energy efficiency. Replacing a damaged heat exchanger can prevent further faults and extend the life of your heating system.

Compatible Boilers

This part is compatible with the following models:

Baxi Duo Tec HE A Series

Duo Tec 24 HE A (After Serial No. BTG0815 Issue 9) – GC 47-075-35
Duo Tec 28 HE A (After Serial No. CAC0929 Issue 9) – GC 47-075-36

Baxi Duo Tec Combi ErP Series

Duo Tec 24 Combi ErP (Serial No. Ending AC Issue 3) – GC 47-075-96 AC
Duo Tec 24 Combi ErP (Serial No. Ending BC Issue 2) – GC 47-075-96 BC
Duo Tec 24 Combi ErP (Serial No. Ending CC) – GC 47-075-96 CC
Duo Tec 24 Combi ErP (Serial No. Ending DC) – GC 47-075-96 DC
Duo Tec 28 Combi ErP (Serial No. Ending AC Issue 3) – GC 47-075-97 AC
Duo Tec 28 Combi ErP (Serial No. Ending BC Issue 3) – GC 47-075-97 BC
Duo Tec 28 Combi ErP (Serial No. Ending CC) – GC 47-075-97 CC
Duo Tec 28 Combi ErP (Serial No. Ending DC) – GC 47-075-97 DC

Baxi HE System Series

15 HE System – GC 41-075-52
18 HE System – GC 41-075-53
24 HE System (After Serial No. BTF0932) – GC 41-075-47

Baxi Megaflo HE A Series

Megaflo 15 HE A – GC 41-075-55
Megaflo 18 HE A – GC 41-075-56
Megaflo 24 HE A – GC 41-075-57

Baxi System ErP Series

15 System ErP (Serial No. Ending IN AC Issue 3) – GC 41-470-18 AC
15 System ErP (Serial No. Ending IN BC) – GC 41-470-18 BC
15 System ErP (Serial No. Ending IN CC) – GC 41-470-18 CC
18 System ErP (Serial No. Ending IN AC Issue 3) – GC 41-470-19 AC
18 System ErP (Serial No. Ending IN BC) – GC 41-470-19 BC
18 System ErP (Serial No. Ending IN CC) – GC 41-470-17 CC
24 System ErP (Serial No. Ending IN AC Issue 3) – GC 41-470-20 AC
24 System ErP (Serial No. Ending IN BC) – GC 41-470-20 BC
24 System ErP (Serial No. Ending IN CC) – GC 41-470-20 CC

Baxi Platinum HE Series

Platinum Combi 24 HE – GC 47-075-27
Platinum Combi 24 HE A (After Serial No. BMY0815 Issue 6) – GC 47-075-31
Platinum Combi 28 HE – GC 47-075-28
Platinum Combi 28 HE A (After Serial No. BNC0932 Issue 7) – GC 47-075-32

Baxi Platinum Combi ErP Series

24 Combi ErP (Serial No. Ending AC Issue 2) – GC 47-077-04 AC
24 Combi ErP (Serial No. Ending BC Issue 2) – GC 47-077-04 BC
24 Combi ErP (Serial No. Ending CC) – GC 47-077-04 CC
24 Combi ErP (Serial No. Ending DC) – GC 47-077-04 DC
24 Combi ErP (Serial No. Ending EC) – GC 47-077-04 EC
28 Combi ErP (Serial No. Ending AC Issue 2) – GC 47-077-05 AC
28 Combi ErP (Serial No. Ending BC Issue 2) – GC 47-077-05 BC
28 Combi ErP (Serial No. Ending CC) – GC 47-077-05 CC
28 Combi ErP (Serial No. Ending DC) – GC 47-077-05 DC
28 Combi ErP (Serial No. Ending EC) – GC 47-077-05 EC

Why Choose This Product?

The Baxi 18 HE System 4 Element Heat Exchanger with Burner offers a cost-effective way to restore your boiler’s heating performance. Every refurbished unit undergoes thorough testing to ensure dependable operation. It provides efficient heat transfer, supports stable boiler performance, and helps reduce the risk of future breakdowns. This replacement part offers excellent value while helping maintain reliable heating throughout your home.

Delivery and Return

Place orders before 1 PM for same-day dispatch through reliable couriers. Choose from standard or next-day delivery options to suit your needs. Returns are accepted within 30 days if the part remains unused and in its original packaging. Always use a Gas Safe registered engineer for safe installation and to maintain your warranty.

Frequently Asked Questions

1. What does the Baxi 18 HE System 4 Element Heat Exchanger 5122147 do?

The heat exchanger transfers heat from the burner to the water in your heating system. This process allows your boiler to provide efficient central heating and hot water.

2. Is this Baxi 5122147 heat exchanger refurbished?

Yes. This is a professionally refurbished Baxi 18 HE System 4 Element Heat Exchanger. It undergoes thorough testing to ensure reliable performance before dispatch.

3. Which boilers are compatible with the Baxi 5122147 heat exchanger?

This heat exchanger fits a wide range of Baxi boilers, including Duo Tec, HE System, Megaflo HE A, System ErP, Platinum HE, and Platinum Combi ErP models. Please check the full compatibility list and GC number before ordering.

4. How do I know if my heat exchanger needs replacing?

Common signs include poor heating performance, leaking from the heat exchanger, unusual boiler noises, reduced hot water output, or recurring boiler faults. Always have your boiler inspected by a qualified engineer.

5. Does this heat exchanger come with a warranty?

Yes. This refurbished heat exchanger comes with a 12-months warranty for added peace of mind.

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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.