Description
Vaillant 0020025042 Pump Head 59866551 Refurbished
The Vaillant 0020025042 Pump Head (P/N 59866551) is a professionally refurbished replacement circulation pump head designed for selected Vaillant Ecotec Plus boilers.
The pump is responsible for circulating heated water throughout the boiler and heating system. A faulty pump can lead to poor heating performance, boiler lockouts, overheating faults, or insufficient hot water circulation.
This refurbished replacement provides a cost-effective alternative to purchasing a brand-new pump while maintaining reliable performance.
Compatible Boilers
This part is compatible with the following Vaillant models:
- ecoTEC Plus: 612, 615, 618, 624, 630, 637
ecoTEC Plus 637 Variants
- 637 VU 376/3-5 R1 – GC No. 41-044-52
- 637 VU 376/5-5 – GC No. 41-044-65
- 637 VU 376/5-5 R1 – GC No. 41-044-65 R1
- 637 VU 376/5-5 R2 – GC No. 41-044-65 R2
- 637 VU 376/5-5 R4 – GC No. 41-044-65 R4
ecoTEC Plus Combi: 837
- 837 VUW 376/3-5 R1 – GC No. 47-044-33 R1
- 837 VUW 376/3-5 R3 – GC No. 47-044-33 R3
- 837 VUW 376/5-5 – GC No. 47-044-42
- 837 VUW 376/5-5 R1 – GC No. 47-044-42 R1
- 837 VUW 376/5-5 R2 – GC No. 47-044-42 R2
- 837 VUW 376/5-5 R4 – GC No. 47-044-42 R4
ecoTEC Plus: 937
- 937 VUI 376/3-5 – GC No. 47-044-39
- 937 VUI 376/5-5 – GC No. 47-044-43
- 937 VUI 376/5-5 R1 – GC No. 47-044-43 R1
- 937 VUI 376/5-5 R2 – GC No. 47-044-43 R2
- 937 VUI 376/5-5 R4 – GC No. 47-044-43 R4
You can also use this shorter version for the listing:
- Compatible Boilers
ecoTEC Plus: 612, 615, 618, 624, 630, 637, 837, 937
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
Please note all prices are inclusive of VAT.
For any Vaillant Diverter Valves Please Click Link :Vaillant Diverter valves
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At Heating and catering parts,
We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy
We appreciate you buying from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.
Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday.
At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
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