



Baxi Duotec Control Knob 5118397

£15.99 Original price was: £15.99.£10.80Current price is: £10.80.
- Baxi Duotec Control Knob
- Baxi Part Number: 5118397
- Condition: Refurbished, fully tested
- Comes with 12-months warranty
- Fits Baxi Duo Tec, Combi, Platinum, Megaflo, System and Potterton models
1 in stock
Baxi Control Knob 5118397
The Baxi Duotec Control Knob helps you adjust your boiler settings with ease. This boiler control knob, part number 5118397, restores smooth control over your heating and hot water functions. A damaged or worn control knob can make temperature adjustments difficult. Replacing it helps you operate your boiler safely and comfortably while maintaining consistent performance.
Compatible Boilers
This part is compatible with the following models:
Baxi Duo Tec HE Series
- Duo Tec 24 HE – GC 47-075-23
- Duo Tec 24 HE A (After Serial No. BTG0815 Issue 9) – GC 47-075-35
- Duo Tec 24 HE A (Before Serial No. BTG0815 Issue 9) – GC 47-075-35 BEFORE
- Duo Tec 28 HE – GC 47-075-25
- Duo Tec 28 HE A (After Serial No. CAC0929 Issue 9) – GC 47-075-36
- Duo Tec 28 HE A (Before Serial No. CAC0929 Issue 9) – GC 47-075-36 BEFORE
- Duo Tec 33 HE – GC 47-075-24
- Duo Tec 33 HE A (After Serial No. BTH1112 Issue 9) – GC 47-075-37
- Duo Tec 33 HE A (Before Serial No. BTH1112 Issue 8) – GC 47-075-37 BEFORE
- Duo Tec 40 HE – GC 47-075-26
- Duo Tec 40 HE A (Issue 8) – GC 47-075-38
Baxi System HE 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
- 24 HE System (Before Serial No. BTF0932) – GC 41-075-47 BEFORE
- 28 HE System (After Serial No. CAB1112) – GC 41-075-48
- 28 HE System (Before Serial No. CAB1112) – GC 41-075-48 BEFORE
- 32 HE System – GC 41-075-54
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
- Megaflo 28 HE A – GC 41-075-58
- Megaflo 32 HE A – GC 41-075-59
Baxi Combi HE Series
- Combi 24 HE – GC 47-075-20
- Combi 28 HE – GC 47-075-21
- Combi 33 HE – GC 47-075-22
Baxi Platinum Combi HE Series
- Platinum Combi 33 HE – GC 47-075-29
- Platinum Combi 40 HE – GC 47-075-30
- Platinum Combi 40 HE A (Issue 4) – GC 47-075-34
Potterton Gold System HE A Series
- Gold System 18 HE A – GC 41-592-15
- Gold System 24 HE A – GC 41-592-16
- Gold System 28 HE A (After Serial No. HSA1112) – GC 41-592-17
- Gold System 28 HE A (Before Serial No. HSA1112) – GC 41-592-17 BEFORE
Potterton Promax HE Plus System Series
- Promax 12 HE Plus A System – GC 41-591-99
- Promax 12 HE Plus System – GC 41-591-90
- Promax 15 HE Plus A System – GC 41-592-01
- Promax 15 HE Plus System – GC 41-591-91
- Promax 18 HE Plus A System – GC 41-592-02
- Promax 18 HE Plus System – GC 41-591-92
- Promax 24 HE Plus A System NG (After Serial No. AWD0932) – GC 41-592-03
Why Choose This Product?
This refurbished Baxi Duotec Control Knob offers a cost-effective solution for replacing a worn or damaged knob. Each unit undergoes thorough testing to ensure smooth operation and reliable performance. Installing this boiler control knob restores accurate heating and hot water control while improving everyday boiler use and helping maintain consistent performance.
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 warranty coverage.
Frequently Asked Questions
1. What does the Baxi Duotec Control Knob 5118397 do?
The Baxi Duotec Control Knob allows you to adjust your boiler’s heating and hot water settings. It provides smooth control and makes everyday boiler operation simple.
2. Is the Baxi Duotec Control Knob 5118397 refurbished?
Yes. This is a professionally refurbished control knob. It undergoes thorough testing to ensure reliable performance before dispatch.
3. Which boilers is the 5118397 control knob compatible with?
The control knob fits a wide range of Baxi and Potterton boilers, including Duo Tec HE, Combi HE, Platinum Combi HE, System HE, Megaflo HE A, Gold System HE A, and selected Promax HE Plus System models. Please check the compatibility list and your boiler’s GC number before ordering.
4. How do I find the correct part for my boiler?
Check your boiler’s model name, GC number, and part number. If you are unsure, contact us with these details and we will help you confirm compatibility.
5. Can I replace a broken boiler control knob?
Yes. Replacing a damaged or worn control knob restores easy control of your boiler settings and improves everyday operation.
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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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