Description
Baxi Boiler 428 Combi Pump 6M- ERP
The Baxi 428 Combi Pump 6M ErP supports steady water circulation throughout your heating system. Moreover, this refurbished pump helps maintain consistent heat distribution and reliable hot water flow. The part numbers 7220533 and 7713520 ensure correct fitment and smooth operation in compatible Baxi combi boilers. Additionally, each unit undergoes cleaning and testing, so it delivers dependable performance at a lower cost.
Compatible Boilers
Baxi 100 and 200 Combi Series
Baxi 124 Combi (GC No. 47-077-25)
Baxi 128 Combi (GC No. 47-077-26)
Baxi 224 Combi (GC No. 47-077-21)
Baxi 228 Combi (GC No. 47-077-22)
Baxi 400 Combi Series
Baxi 424 Combi (GC No. 47-077-23)
Baxi 428 Combi (GC No. 47-077-24)
Baxi Duo Tec Combi ErP Series
Duo Tec 24 Combi ErP AC Issue 3 (GC No. 47-075-96 AC)
Duo Tec 24 Combi ErP BC Issue 2 (GC No. 47-075-96 BC)
Duo Tec 24 Combi ErP CC (GC No. 47-075-96 CC)
Duo Tec 24 Combi ErP DC (GC No. 47-075-96 DC)
Duo Tec 28 Combi ErP AC Issue 3 (GC No. 47-075-97 AC)
Duo Tec 28 Combi ErP BC Issue 3 (GC No. 47-075-97 BC)
Duo Tec 28 Combi ErP CC (GC No. 47-075-97 CC)
Duo Tec 28 Combi ErP DC (GC No. 47-075-97 DC)
Duo Tec 33 Combi ErP AC Issue 3 (GC No. 47-075-99 AC)
Duo Tec 33 Combi ErP BC Issue 2 (GC No. 47-075-99 BC)
Duo Tec 33 Combi ErP CC (GC No. 47-075-99 CC)
Duo Tec 33 Combi ErP DC (GC No. 47-075-99 DC)
Duo Tec 40 Combi ErP AC Issue 3 (GC No. 47-077-03 AC)
Duo Tec 40 Combi ErP BC Issue 2 (GC No. 47-077-03 BC)
Duo Tec 40 Combi ErP CC (GC No. 47-077-03 CC)
Duo Tec 40 Combi ErP DC (GC No. 47-077-03 DC)
Baxi EcoBlue and System ErP Series
EcoBlue 12 System ERP (GC No. 41-470-23)
EcoBlue 15 System ERP (GC No. 41-470-24)
EcoBlue 18 System ERP (GC No. 41-470-25)
EcoBlue 24 Combi ERP (GC No. 47-077-11)
EcoBlue 24 System ERP (GC No. 41-470-26)
EcoBlue 28 Combi ERP (GC No. 47-077-12)
EcoBlue 28 System ERP (GC No. 41-470-27)
EcoBlue 32 System ERP (GC No. 41-470-28)
EcoBlue 33 Combi ERP (GC No. 47-077-13)
Baxi Advance and Plus Series
Advance Combi 24 ERP (GC No. 47-077-14)
Advance Combi 28 ERP (GC No. 47-077-15)
Advance Combi 33 ERP (GC No. 47-077-16)
Advance Combi 40 ERP (GC No. 47-077-17)
Plus Combi 24 ERP (GC No. 47-077-08)
Plus Combi 28 ERP (GC No. 47-077-09)
Plus Combi 33 ERP (GC No. 47-077-10)
Baxi System ERP IN Series
15 System ERP IN AC Issue 3 (GC No. 41-470-18 AC)
15 System ERP IN BC (GC No. 41-470-18 BC)
15 System ERP IN CC (GC No. 41-470-18 CC)
18 System ERP IN AC Issue 3 (GC No. 41-470-19 AC)
18 System ERP IN BC (GC No. 41-470-19 BC)
18 System ERP IN CC (GC No. 41-470-17 CC)
24 System ERP IN AC Issue 3 (GC No. 41-470-20 AC)
24 System ERP IN BC (GC No. 41-470-20 BC)
24 System ERP IN CC (GC No. 41-470-20 CC)
28 System ERP IN AC Issue 3 (GC No. 41-470-21 AC)
28 System ERP IN BC (GC No. 41-470-21 BC)
28 System ERP IN CC (GC No. 41-470-21 CC)
32 System ERP IN AC Issue 3 (GC No. 41-470-22 AC)
32 System ERP IN BC (GC No. 41-470-22 BC)
32 System ERP IN CC (GC No. 41-470-22 CC)
Baxi Combi ERP IN Series
24 Combi ERP CC (GC No. 47-077-04 CC)
24 Combi ERP DC (GC No. 47-077-04 DC)
24 Combi ERP EC (GC No. 47-077-04 EC)
24 Combi ERP IN AC Issue 2 (GC No. 47-077-04 AC)
24 Combi ERP IN 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 EC (GC No. 47-077-05 EC)
28 Combi ERP IN AC Issue 2 (GC No. 47-077-05 AC)
28 Combi ERP IN 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 EC (GC No. 47-077-06 EC)
33 Combi ERP IN AC Issue 2 (GC No. 47-077-06 AC)
33 Combi ERP IN 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 EC (GC No. 47-077-07 EC)
40 Combi ERP IN AC Issue 2 (GC No. 47-077-07 AC)
40 Combi ERP IN BC Issue 2 (GC No. 47-077-07 BC)
Why Choose This Product?
This refurbished Baxi 428 Combi pump offers reliable circulation and stable heating performance. Therefore, it helps prevent cold spots, noise issues, and circulation faults. In addition, refurbishment provides a cost-effective and sustainable alternative while maintaining dependable operation. Each pump receives inspection and testing, so you gain confidence in long-term performance and improved boiler efficiency.
Delivery and Return
Orders placed before 1 PM dispatch on the same working day, and you can choose standard or next-day delivery at checkout. Furthermore, you may return the item within 30 days if it remains unused and in its original condition. Finally, always use a Gas Safe registered engineer for safe and correct installation.
Frequently Asked Questions
1. Which Baxi models are compatible with this pump?
This Baxi 428 Combi Pump 6M- ERP fits a variety of Combi and System models, including 124, 128, 224, 228, 424, 428 Combi, Duo Tec 24, 28, 33, 40 Combi ErP, and multiple System ERP models. It is essential to verify the part number before purchase.
2. Is this part refurbished?
Yes, this pump has been refurbished and fully tested to ensure proper functionality. Slight cosmetic marks may be present due to its previous use, but it operates reliably in all compatible boilers.
3. Does this pump come with a warranty?
All refurbished pumps come with a 12-month warranty covering any issues related to refurbishment and testing. This ensures your boiler continues to operate efficiently.
4. What time must I place my order for same-day dispatch?
Orders placed by 1:00 PM (Monday to Friday) are dispatched the same day. Orders placed after this time will be processed and dispatched the following working day.
5. How do I know this pump is the correct one for my boiler?
Always check your boiler’s manufacturer part number against 7220533 or 7713520 before ordering. Using the correct part ensures proper fit and optimal performance for your boiler model.













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