Description
Potterton Promax Ultra Gas Valve 720752301
The Potterton gas valve regulates the safe flow of gas into your boiler during operation. This essential boiler gas control valve helps maintain efficient combustion while preventing dangerous leaks. The 720752301 parts fits the Promax Ultra 24, 33, and 40 models, restoring safe, reliable heating performance.
Compatible Boilers
This part is compatible with the following models:
Promax Ultra Combi ERP Series
• Promax Ultra 24 Combi ERP (Serial No Ending AC) – GC 47-393-54 AC
• Promax Ultra 24 Combi ERP (Serial No Ending BC & CC) – GC 47-393-54 BC
• Promax Ultra 24 Combi ERP (Serial No Ending DC) – GC 47-393-54 DC
• Promax Ultra 28 Combi ERP (Serial No Ending AC) – GC 47-393-55 AC
• Promax Ultra 28 Combi ERP (Serial No Ending BC & CC) – GC 47-393-55 BC
• Promax Ultra 28 Combi ERP (Serial No Ending DC) – GC 47-393-55 DC
• Promax Ultra 33 Combi ERP (Serial No Ending AC) – GC 47-393-56 AC
• Promax Ultra 33 Combi ERP (Serial No Ending BC & CC) – GC 47-393-56 BC
• Promax Ultra 33 Combi ERP (Serial No Ending DC) – GC 47-393-56 DC
• Promax Ultra 40 Combi ERP (Serial No Ending AC) – GC 47-393-57 AC
• Promax Ultra 40 Combi ERP (Serial No Ending BC & CC) – GC 47-393-57 BC
• Promax Ultra 40 Combi ERP (Serial No Ending DC) – GC 47-393-57 DC
System Series
• System 12kW – GC 41-592-71
• System 15kW – GC 41-592-72
• System 18kW – GC 41-592-73
• System 24kW – GC 41-592-74
• System 28kW – GC 41-592-75
If you’re looking for a Potterton Promax/Gold Heat Gas Valve 241900 or any other different Potterton Gas Valve, follow the link provided.
Why Choose This Product?
This Potterton gas valve is a cost-effective way to restore safe boiler operation. Each unit is fully tested to meet high safety and performance standards. Choosing this pre-owned boiler gas control valve saves money while ensuring reliable combustion control. With a 6-month warranty, you get extra peace of mind for your heating repair.
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 Ultra Gas Valve 720752301?
This gas valve is compatible with Promax Ultra Combi ERP boilers including 24, 28, 33, and 40 models with various serial number endings (AC, BC, CC, DC). It is also compatible with System series boilers ranging from 12kW to 28kW. Always verify your boiler’s serial number and model before purchase.
2. Is this gas valve new or pre-owned?
This listing is for a pre-owned gas valve, which has been fully tested for safety and performance. Pre-owned units come with a 6-month warranty. Brand new gas valves are also available, and they come with a 12-month warranty.
3. How long is the warranty on this Potterton gas valve?
Pre-owned units include a 6-month warranty covering performance and safety issues. New units come with a 12-month manufacturer warranty.
4. Can I install this gas valve myself?
No. Gas valves must be installed by a Gas Safe registered engineer to ensure safe operation and to maintain warranty coverage. Improper installation can be dangerous.
5. What is the delivery and returns policy?
Orders placed before 1 PM are dispatched the same day via reliable couriers. Customers can choose standard or next-day delivery. Returns are accepted within 30 days if the item is unused and in its original packaging.








