Description

Vaillant 0020221616 Ecotec Plus 612 VU Boiler Pump 

The Vaillant Ecotec Plus 612 VU pump housing 0020221616 0020176087 supports the pump assembly and helps maintain smooth water circulation inside the boiler. Over time, a damaged or worn housing can affect flow and lead to poor heating performance. Therefore, replacing it with this refurbished unit helps restore proper operation, improve reliability, and support steady day-to-day heating performance.

Compatible Boilers

This part is compatible with the following models:

ecoTEC Plus VU Series

• 612 VU 126/5-5 A R4 2015 Onwards – GC No. 41-044-78
• 612 VU 126/5-5 R6 2017 Onwards – GC No. 41-694-20 R6
• 615 VU 156/5-5 A R4 2015 Onwards – GC No. 41-044-79
• 615 VU 156/5-5 R6 2017 Onwards – GC No. 41-694-21 R6
• 618 VU 186/5-5 A R4 2015 Onwards NG – GC No. 41-044-80
• 618 VU 186/5-5 A R4 2015 Onwards LPG – GC No. 41-044-81
• 618 VU 186/5-5 R6 2017 Onwards NG – GC No. 41-694-22 R6
• 618 VU 186/5-5 R6 2017 Onwards LPG – GC No. 41-694-23 R6
• 624 VU 246/5-5 A R4 2015 Onwards – GC No. 41-044-82
• 624 VU 246/5-5 R6 2017 Onwards – GC No. 41-694-24 R6
• 630 VU 306/5-5 A R4 2015 Onwards NG – GC No. 41-044-83
• 630 VU 306/5-5 A R4 2015 Onwards LPG – GC No. 41-044-84
• 630 VU 306/5-5 R6 2017 Onwards NG – GC No. 41-694-25 R6
• 630 VU 306/5-5 R6 2017 Onwards LPG – GC No. 41-694-26 R6
• 637 VU 386/5-5 R6 2017 Onwards – GC No. 41-694-27 R6

ecoTEC Plus VUW Series

• 825 VUW 256/5-5 R4 2015 Onwards – GC No. 47-044-57
• 825 VUW 196/5-5 R6 2017 Onwards – GC No. 47-044-83 R6
• 832 VUW 326/5-5 R4 2015 Onwards – GC No. 47-044-58
• 832 VUW 246/5-5 R6 2017 Onwards NG – GC No. 47-044-84 R6
• 832 VUW 246/5-5 R6 2017 Onwards LPG – GC No. 47-044-85 R6
• 835 VUW 356/5-5 R4 2015 Onwards – GC No. 47-044-53
• 835 VUW 306/5-5 R6 2017 Onwards – GC No. 47-044-82 R6

ecoTEC Pro VU Series

• 22 VU 226/5-3 A R4 Current Production – GC No. 0010018497

ecoTEC Pro VUW Series

• 24 VUW 246/5-3 R4 2015–2017 – GC No. 47-044-54
• 24 VUW 246/5-3 R6 2017 Onwards – GC No. 47-044-88
• 28 VUW 286/5-3 R4 2015–2017 – GC No. 47-044-55
• 28 VUW 286/5-3 R4 2015–2017 LPG – GC No. 47-044-56
• 28 VUW 286/5-3 R6 2017 Onwards – GC No. 47-044-89
• 28 VUW 286/5-3 R6 LPG 2017 Onwards – GC No. 47-044-90
• 30 VUW 306/5-3 R4 2015 Onwards – GC No. 47-044-52

If you’re looking for any other different Vaillant Pump, follow the link provided.

Why Choose This Product?

This refurbished pump housing offers a practical way to restore boiler performance without replacing the full pump assembly. In addition, each unit is prepared as a cost-effective replacement for worn or damaged original parts.

Delivery and Return

Order before 1 PM for same-day dispatch, while standard and next-day delivery options are available. Returns are accepted within 30 days if the part remains unused and in its original packaging.

Frequently Asked Questions

1. What does the pump housing do in the boiler?
The pump housing supports the pump assembly and helps direct water correctly through the system. As a result, it plays an important role in smooth circulation and steady heating performance.

2. Why would the pump housing need replacing?
If the housing becomes worn, cracked, or damaged, it can affect water flow and boiler operation. Therefore, replacing it helps restore proper circulation and supports reliable performance.

3. Is this part refurbished?
Yes, this is a refurbished pump housing for the Vaillant Ecotec Plus 612 VU. It offers a practical replacement option when the original housing is no longer in good condition.

4. What part numbers match this listing?
This listing matches part numbers 0020221616 and 0020176087. However, always check the part number on your existing component before ordering.

5. Who should install this part?
A qualified heating engineer should install the part to ensure safe and correct fitting. This also helps protect the boiler and supports proper operation after installation.