Description
Potterton Promax Combi 24 ERP Gas valve
This Potterton gas valve 5114734 provides a dependable replacement for your boiler’s gas flow control system. The boiler gas valve regulates the supply of gas to the burner, ensuring safe and efficient operation. Designed for the Promax Combi 24 ERP, this part restores proper performance and maintains your boiler’s reliability.
Compatible Boilers
This part is compatible with the following models:
Gold HE Combi Series
• Gold 24 HE Combi – GC 47-590-05
• Gold 28 HE Combi – GC 47-590-06
• Gold 33 HE Combi – GC 47-590-19
Heatmax Combi HE Series
• Heatmax Combi 24 HE – GC 47-393-27
• Heatmax Combi 28 HE – GC 47-393-28
• Heatmax Combi 33 HE (After Serial No FMN1112) – GC 47-393-29
• Heatmax Combi 33 HE (Before Serial No FMN1112) – GC 47-393-29 BEFORE
Promax Combi HE Plus Series
• Promax Combi 24 HE Plus – GC 47-393-17
• Promax Combi 24 HE Plus A – GC 47-393-21
• Promax Combi 24 HE Plus LPG – GC 47-393-24
• Promax Combi 28 HE Plus – GC 47-590-04
• Promax Combi 28 HE Plus A – GC 47-393-22
• Promax Combi 33 HE Plus – GC 47-590-03
• Promax Combi 33 HE Plus A – GC 47-393-23
Promax System Series
• Promax 24 HE Plus System – GC 41-601-21
If you’re looking for a Potterton Performa 24 Gas Valve or any other different Potterton Gas Valve, follow the link provided.
Why Choose This Product?
Choosing this Potterton gas valve helps restore your boiler’s safe operation and heating performance without replacing the whole unit. Each valve undergoes detailed inspection and testing to meet safety standards. The boiler gas valve ensures consistent gas flow, stable ignition, and efficient operation. This pre-owned part provides a cost-effective and eco-friendly alternative to buying new.
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 for installation and warranty protection.
Frequently Asked Questions
1. What boilers are compatible with the Potterton Promax Combi 24 ERP Gas Valve 5114734?
This gas valve fits several Potterton boiler models, including:
Gold HE Combi Series: Gold 24 HE Combi, Gold 28 HE Combi, Gold 33 HE Combi.
Heatmax Combi HE Series: Heatmax Combi 24 HE, 28 HE, 33 HE (both before and after serial FMN1112).
Promax Combi HE Plus Series: Promax Combi 24 HE Plus, 24 HE Plus A, 24 HE Plus LPG, 28 HE Plus, 28 HE Plus A, 33 HE Plus, 33 HE Plus A.
Promax System Series: Promax 24 HE Plus System.
Always check the manufacturer part number to ensure compatibility before purchase.
2. Is this gas valve new or pre-owned?
The Potterton 5114734 gas valve is available as both pre-owned and brand-new. Pre-owned valves are fully tested and come with a 6-month warranty, while new valves carry a 12-month warranty.
3. Why do I need to replace the gas valve?
Replacing a faulty gas valve ensures your boiler operates safely and efficiently. The gas valve regulates the flow of gas to the burner, maintaining stable ignition and consistent heating performance.
4. Can I install this gas valve myself?
No. Always use a Gas Safe registered engineer for installation. This ensures compliance with safety regulations and preserves your warranty coverage.
5. What is the delivery and returns policy?
Orders placed before 1 PM are dispatched the same day via reliable couriers. You can choose standard or next-day delivery. Returns are accepted within 30 days if the part is unused and in its original packaging. Pre-owned items must be in good condition for return acceptance.





