Description
Heat Exchanger For Potterton Promax Combi 28 HE A 5114688
This Potterton Promax Combi 28 HE A heat exchanger delivers efficient heat transfer for your boiler’s heating system. This heat exchanger replaces worn or damaged parts to maintain optimum boiler performance. Part number 5114688 fits naturally into the Promax Combi 28 HE Plus model, ensuring smooth heat flow and lasting reliability.
Compatible Boilers
This part is compatible with the following models:
Gold Series
• Gold 24 HE Combi – GC 47-590-05
• Gold 28 HE Combi – GC 47-590-06
• Gold 33 HE A Combi (Before Serial No GNL1112) – GC 47-393-20 BEFORE
• Gold 33 HE Combi – GC 47-590-19
• Gold System 28 HE A (Before Serial No HSA1112) – GC 41-592-17 BEFORE
Heatmax Series
• Heatmax Combi 33 HE (Before Serial No FMN1112) – GC 47-393-29 BEFORE
Promax Series
• Promax Combi 28 HE Plus – GC 47-590-04
• Promax Combi 28 HE Plus A – GC 47-393-22
• Promax Combi 33 HE Plus A – GC 47-393-23
• Promax 32 HE Plus A System – GC 41-592-04
• Promax 32 HE Plus System – GC 41-591-93
• Promax System 32 ERP (Serial No Ending AC) – GC 41-592-46 AC
• Promax System 32 ERP (Serial No Ending BC & CC) – GC 41-592-46 BC
• Promax System 32 ERP (Serial No Ending DC) – GC 41-592-46 DC
Titanium Series
• Titanium 40 – GC 47-393-42
• Titanium 40 Combi ERP (Serial No. Ending in AC) – GC 47-393-53
• Titanium 40 Combi ERP (Serial No. Ending in BC & CC) – GC 47-393-53 BC
• Titanium 40 Combi ERP (Serial No. Ending in DC) – GC 47-393-53 DC
• Titanium 40 Combi ERP (Serial No. Ending in EC) – GC 47-393-53 EC
If you’re looking for a Potterton Performa 28 Main Heat Exchanger 248017 or any other different Potterton Heat Exchanger, follow the link provided.
Why Choose This Product?
This refurbished heat exchanger offers a cost-effective way to restore your boiler’s heating efficiency. It undergoes thorough testing to ensure long-lasting performance. The heat exchanger maintains stable heat flow, helping your boiler work safely and efficiently. Choose this part for reliable repairs backed by a 12-month warranty.
Delivery and Return
Place orders before 1 PM for same-day dispatch via reliable couriers. Choose from standard or next-day delivery options. Returns are accepted within 30 days if the part is unused and in original packaging. Always use a Gas Safe registered engineer to fit this part safely and keep your warranty valid.
Frequently Asked Questions
1. What boilers is the Potterton Promax Combi 28 HE A heat exchanger compatible with?
This heat exchanger fits a wide range of Potterton models, including Gold Series (Gold 24 HE Combi, Gold 28 HE Combi, Gold 33 HE Combi), Heatmax Series (Heatmax Combi 33 HE), Promax Series (Promax Combi 28 HE Plus, Promax Combi 33 HE Plus A, Promax System 32 ERP), and Titanium Series (Titanium 40, Titanium 40 Combi ERP). Always check your boiler’s model and serial number for compatibility.
2. Is this a new or refurbished part?
This is a fully refurbished original Potterton heat exchanger. Each unit is carefully tested to ensure reliable performance and long-lasting operation. Minor cosmetic marks may be present due to previous use, but functionality is guaranteed.
3. What is the warranty on this heat exchanger?
All refurbished Potterton heat exchangers, including the Promax Combi 28 HE A, come with a 12-month warranty covering any defects or issues arising from the refurbishment process.
4. How should this heat exchanger be installed?
Installation should always be performed by a Gas Safe registered engineer. This ensures the part is fitted safely, maintains your boiler warranty, and guarantees the appliance operates efficiently.
5. How do I know if I need to replace my heat exchanger?
Common signs that a heat exchanger may need replacement include reduced heating efficiency, inconsistent hot water supply, leaks, or unusual noises from the boiler. Replacing the heat exchanger with a quality refurbished unit restores optimal heat flow and boiler performance.







