Description
Baxi 28 Combi Expansion Vessel 8L – Fits 24, 28, Duo Tec 2, EcoBlue, Advance & Platinum 2 Combi Boilers
The Baxi 28 Combi Expansion Vessel 8L 720753901 maintains stable pressure inside your heating system during every heating cycle. This expansion vessel supports consistent performance and reduces stress on key components. The part number 720753901 ensures a secure fit for the Baxi 28 Combi. You can choose a brand new or refurbished version, and each option offers reliable and long-lasting operation.
Compatible Boilers
Baxi Combi Series
Baxi 24 Combi (GC No. 47-075-67)
Baxi 28 Combi (GC No. 47-075-68)
Baxi Duo Tec 2 GA Range
Duo Tec 2 24 GA (GC No. 47-075-54)
Duo Tec 2 28 GA (GC No. 47-075-55)
Baxi Ecoblue Advance Combi Series
Ecoblue Advance Combi 24 (GC No. 47-075-87)
Ecoblue Advance Combi 28 (GC No. 47-075-88)
Baxi Advance Combi ERP Series
Advance Combi 24 ERP (GC No. 47-077-14)
Advance Combi 28 ERP (GC No. 47-077-15)
Baxi Platinum 2 Combi Series
Platinum 2 Combi 28 GA (GC No. 47-075-61)
Platinum 2 Combi 33 GA (GC No. 47-075-62)
Platinum 2 Combi 40 GA (GC No. 47-075-63)
If you’re looking for a Baxi Duo Tec 40HE A Expansion Vessel 10 Litre + PRV 5114692 or any other different Baxi Expansion Vessel, follow the link provided.
Why Choose This Product?
This Baxi 28 Combi expansion vessel improves pressure stability, and it helps your boiler operate smoothly throughout the day. It reduces pressure spikes, protects the system from unnecessary strain, and ensures consistent heating. Furthermore, the refurbished option gives you a cost-effective and eco-friendly alternative, while the brand new version delivers factory-grade durability. Both versions go through testing to ensure reliable and steady performance.
Delivery and Return
Orders placed before 1 PM leave the warehouse on the same working day, and you may choose standard or next-day delivery at checkout. Additionally, you can return the item within 30 days if it stays unused and remains 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 28 Combi expansion vessel do?
The expansion vessel controls pressure inside the heating system. It absorbs water expansion during heating cycles and, as a result, protects the boiler from pressure damage.
2.Is part number 720753901 correct for the Baxi 28 Combi?
Yes. Part number 720753901 fits the Baxi 28 Combi boiler. Therefore, it provides a secure and reliable replacement when pressure issues occur.
3.What problems indicate a faulty expansion vessel?
A faulty vessel often causes rising pressure, frequent boiler lockouts, or water discharge from the pressure relief valve. Consequently, replacing it restores system stability.
4.Can I choose between brand new and refurbished versions?
Yes. You can select either option. The refurbished version offers a cost-effective choice, while the brand new version provides factory-level reliability. Both options deliver dependable performance.
5.Does this expansion vessel include a warranty?
Yes. Both the brand new and refurbished expansion vessels come with a 12-month warranty, which provides added peace of mind.








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