Description
Expansion Vessel For Baxi Boiler Combi 80 Maxflue 8L 248024 + PRV 248056
The Baxi Combi 80 Maxflue Expansion Vessel 8L 248024 works with the PRV 248056 to keep your boiler pressure stable during heating cycles. This brand new set improves system protection, and it supports smooth and reliable boiler performance. Together, these parts help manage pressure changes and prevent unwanted lockouts. The combination fits the Baxi Combi 80 Maxflue and provides long-lasting heating control.
Compatible Boilers
Baxi Combi and Maxflue Series
105 HE A Instant (GC No. 47-075-50)
Combi 105E (GC No. 47-075-08)
Combi 105HE (GC No. 47-075-18)
Combi 80 Eco (GC No. 47-075-05)
Combi 80 Maxflue (GC No. 47-075-07)
Combi 80E (GC No. 47-075-06)
Combi Instant 105 E (GC No. 47-075-09)
Combi Instant 105E HE (GC No. 47-075-19)
Combi Instant 80E (GC No. 47-075-13)
Combi Instant 80E HE (GC No. 47-075-17)
Baxi Duo Tec HE Series
Duo Tec 24 HE (GC No. 47-075-23)
Duo Tec 24 HE A After Serial No. BTG0815 Issue 9 (GC No. 47-075-35)
Duo Tec 24 HE A Before Serial No. BTG0815 Issue 9 (GC No. 47-075-35 BEFORE)
Duo Tec 28 HE (GC No. 47-075-25)
Duo Tec 28 HE A After Serial No. CAC0929 Issue 9 (GC No. 47-075-36)
Duo Tec 28 HE A Before Serial No. CAC0929 Issue 9 (GC No. 47-075-36 BEFORE)
Duo Tec 33 HE (GC No. 47-075-24)
Duo Tec 33 HE A After Serial No. BTH1112 Issue 9 (GC No. 47-075-37)
Duo Tec 33 HE A Before Serial No. BTH1112 Issue 8 (GC No. 47-075-37 BEFORE)
Duo Tec 40 HE (GC No. 47-075-26)
Duo Tec 40 HE A Issue 8 (GC No. 47-075-38)
Baxi Duo Tec Combi ErP Series
Duo Tec 24 Combi ErP Serial No. Ending AC Issue 3 (GC No. 47-075-96 AC)
Duo Tec 24 Combi ErP Serial No. Ending BC Issue 2 (GC No. 47-075-96 BC)
Duo Tec 24 Combi ErP Serial No. Ending CC (GC No. 47-075-96 CC)
Duo Tec 28 Combi ErP Serial No. Ending AC Issue 3 (GC No. 47-075-97 AC)
Duo Tec 28 Combi ErP Serial No. Ending BC Issue 3 (GC No. 47-075-97 BC)
Duo Tec 28 Combi ErP Serial No. Ending CC (GC No. 47-075-97 CC)
Duo Tec 33 Combi ErP Serial No. Ending AC Issue 3 (GC No. 47-075-99 AC)
Duo Tec 33 Combi ErP Serial No. Ending BC Issue 2 (GC No. 47-075-99 BC)
Duo Tec 33 Combi ErP Serial No. Ending CC (GC No. 47-075-99 CC)
Duo Tec 40 Combi ErP Serial No. Ending AC Issue 3 (GC No. 47-077-03 AC)
Duo Tec 40 Combi ErP Serial No. Ending BC Issue 2 (GC No. 47-077-03 BC)
Duo Tec 40 Combi ErP Serial No. Ending CC (GC No. 47-077-03 CC)
Baxi HE System Series
15 HE System (GC No. 41-075-52)
18 HE System (GC No. 41-075-53)
24 HE System After Serial No. BTF 0932 (GC No. 41-075-47)
24 HE System Before Serial No. BTF 0932 (GC No. 41-075-47 BEFORE)
28 HE System After Serial No. CAB 1112 (GC No. 41-075-48)
28 HE System Before Serial No. CAB 1112 (GC No. 41-075-48 BEFORE)
32 HE System (GC No. 41-075-54)
Baxi Megaflo System HE A Series
Megaflo 15 HE A (GC No. 41-075-55)
Megaflo 18 HE A (GC No. 41-075-56)
Megaflo 24 HE A (GC No. 41-075-57)
Megaflo 28 HE A (GC No. 41-075-58)
Megaflo 32 HE A (GC No. 41-075-59)
Baxi System ERP Series
15 System ERP AC (GC No. 41-470-18 AC)
15 System ERP BC (GC No. 41-470-18 BC)
15 System ERP CC (GC No. 41-470-18 CC)
18 System ERP AC (GC No. 41-470-19 AC)
18 System ERP BC (GC No. 41-470-19 BC)
18 System ERP CC (GC No. 41-470-17 CC)
24 System ERP AC (GC No. 41-470-20 AC)
24 System ERP BC (GC No. 41-470-20 BC)
24 System ERP CC (GC No. 41-470-20 CC)
28 System ERP AC (GC No. 41-470-21 AC)
28 System ERP BC (GC No. 41-470-21 BC)
28 System ERP CC (GC No. 41-470-21 CC)
32 System ERP AC (GC No. 41-470-22 AC)
32 System ERP BC (GC No. 41-470-22 BC)
32 System ERP CC (GC No. 41-470-22 CC)
Baxi Combi HE Series
Combi 24 HE (GC No. 47-075-20)
Combi 28 HE (GC No. 47-075-21)
Combi 33 HE (GC No. 47-075-22)
Baxi Platinum HE Series
Platinum Combi 24 HE (GC No. 47-075-27)
Platinum Combi 24 HE A After Serial No. BMY0815 Issue 6 (GC No. 47-075-31)
Platinum Combi 24 HE A Before Serial No. BMY0815 Issue 6 (GC No. 47-075-31 BEFORE)
Platinum Combi 28 HE (GC No. 47-075-28)
Platinum Combi 28 HE A After Serial No. BNC0932 Issue 7 (GC No. 47-075-32)
Platinum Combi 28 HE A Before Serial No. BNC0932 Issue 7 (GC No. 47-075-32 BEFORE)
Platinum Combi 33 HE (GC No. 47-075-29)
Platinum Combi 33 HE A After Serial No. BNE1112 Issue 5 (GC No. 47-075-33)
Platinum Combi 33 HE A Before Serial No. BNE1112 Issue 6 (GC No. 47-075-33 BEFORE)
Platinum Combi 40 HE (GC No. 47-075-30)
Platinum Combi 40 HE A Issue 4 (GC No. 47-075-34)
Baxi Combi ERP Series
24 Combi ERP CC (GC No. 47-077-04 CC)
24 Combi ERP DC (GC No. 47-077-04 DC)
24 Combi ERP AC Issue 2 (GC No. 47-077-04 AC)
24 Combi ERP BC Issue 2 (GC No. 47-077-04 BC)
28 Combi ERP CC (GC No. 47-077-05 CC)
28 Combi ERP DC (GC No. 47-077-05 DC)
28 Combi ERP AC Issue 2 (GC No. 47-077-05 AC)
28 Combi ERP BC Issue 2 (GC No. 47-077-05 BC)
33 Combi ERP CC (GC No. 47-077-06 CC)
33 Combi ERP DC (GC No. 47-077-06 DC)
33 Combi ERP AC Issue 2 (GC No. 47-077-06 AC)
33 Combi ERP BC Issue 2 (GC No. 47-077-06 BC)
40 Combi ERP CC (GC No. 47-077-07 CC)
40 Combi ERP DC (GC No. 47-077-07 DC)
40 Combi ERP AC Issue 2 (GC No. 47-077-07 AC)
40 Combi ERP BC Issue 2 (GC No. 47-077-07 BC)
Baxi System Commercial
System 35/60 (GC No. 41-075-18)
System 60/100 (GC No. 41-075-19)
If you’re looking for a Baxi Platinum Combi 40HE A expansion vessel 10 LTR 5114692 or any other different Baxi Expansion Vessel, follow the link provided.
Why Choose This Product?
This expansion vessel and PRV set supports stable pressure control, and it protects the boiler from pressure spikes. Moreover, the new vessel improves system reliability, while the PRV adds a strong layer of safety. The combination reduces unwanted pressure issues and helps your boiler maintain smooth performance. Each component meets quality standards, and the upgrade enhances long-term heating efficiency as a result.
Delivery and Return
Orders placed before 1 PM leave our warehouse the same working day, and you may choose standard or next-day delivery depending on your needs. Returns stay available for 30 days as long as the item remains unused and arrives back in its original condition. For correct installation and safe operation, always ask a Gas Safe registered engineer to fit the part.
Frequently Asked Questions (FAQs)
1. What does the Baxi 80 Maxflue expansion vessel do?
The expansion vessel manages pressure changes during heating cycles, and it keeps the system stable as the water heats and cools. It also protects other boiler parts from unnecessary strain.
2. Why does this kit include the PRV 248056 as well?
The PRV works with the expansion vessel to release excess pressure, and together they create a safer and more reliable pressure control system. This combination improves overall boiler performance.
3. Which boilers use part numbers 248024 and 248056?
These parts fit a wide range of Baxi combi, system, Duo Tec, Platinum, Megaflo, and ERP models. Therefore, you can check your GC number in the compatibility list to confirm a match.
4. Will this expansion vessel fix pressure spikes?
Yes. A failing vessel often causes rising pressure, lockouts, or discharge through the safety valve. Installing this new vessel stabilises pressure and reduces these issues.
5. Is this product brand new or refurbished?
This expansion vessel and PRV set is brand new, and it meets the performance level expected in modern heating systems.














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