Description
Baxi 5114708 DHW Heat Exchanger – 20 Plate
The Baxi 5114708 is a 20-plate DHW heat exchanger used in several Baxi, Potterton, and Main combi boilers. It provides efficient heat transfer between the primary circuit and domestic hot water system. Ideal for restoring proper hot water flow, fixing temperature inconsistencies, and resolving cross-contamination issues.
✅ Available in New and Refurbished condition – each refurbished unit is thoroughly cleaned, pressure-tested, and quality-checked.
🔧 Compatible Boilers & GC Numbers:
🔹 Baxi Boilers:
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
Platinum Combi 24 HE – GC No. 47-075-27
Platinum Combi 28 HE – GC No. 47-075-28
🔹 Potterton Boilers:
Gold 24 HE Combi – GC No. 47-590-05
Gold 28 HE Combi – GC No. 47-590-06
Gold 33 HE Combi – GC No. 47-590-19
Promax Combi 24 HE Plus – GC No. 47-393-17
Promax Combi 24 HE Plus A – GC No. 47-393-21
Promax Combi 28 HE Plus – GC No. 47-590-04
Promax Combi 28 HE Plus A – GC No. 47-393-22
Promax Combi 33 HE Plus – GC No. 47-590-03
Promax Combi 33 HE Plus A – GC No. 47-393-23
Prices: Must be remembered all prices are inclusive of VAT.
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above
Meanwhile, if you are looking for any Baxi-related products please click the link: Baxi spares
Also, for Diverter valves for Baxi please click the link: Baxi Diverter Valves
You can also check our whole range of PCBs for Baxi please click the link: Baxi PCBs
Here is also the list of Pumps for Baxi please click the link: Baxi Pumps
In case you are looking for Fans for Baxi please click the link: Baxi Fans
At Heating and catering parts,
We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy
We appreciate you buying from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.
Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
In a word thank you for choosing us!
FAQs
1: What does the Baxi 5114708 DHW Heat Exchanger do?
The DHW (Domestic Hot Water) Heat Exchanger transfers heat from the primary circuit to the domestic hot water supply, ensuring your taps and showers deliver consistent hot water temperature.
2: Which boilers are compatible with the Baxi 5114708 Heat Exchanger?
This part fits several Baxi, Potterton, and Main combi boilers, including Duo Tec, Platinum, Gold, and Promax ranges. Always confirm your model and part number before purchase.
3: How can I tell if my heat exchanger needs replacing?
Common signs include fluctuating water temperatures, reduced hot water flow, or signs of water contamination. A Gas Safe registered engineer can confirm if the exchanger is at fault.
4: What’s the difference between the new and refurbished versions?
The new version is unused and factory-made, while the refurbished unit is a pre-owned part that’s been cleaned, pressure-tested, and inspected to ensure reliable operation at a lower cost.
5: Is professional installation required?
Yes, installation should always be carried out by a qualified Gas Safe registered engineer to ensure correct fitting, safety, and compliance with boiler regulations.
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