The Vaillant Ecotec Pump 178983 (0020136638 / 0010030632) is a fully refurbished, genuine Vaillant circulation pump designed for use in a wide range of Vaillant Ecotec Plus and Ecotec Pro boilers.
Each unit is professionally reconditioned and tested to meet original performance standards. It offers quiet, efficient operation, long-lasting reliability, and easy installation — perfect for both engineers and homeowners.
Genuine Vaillant Ecotec Plus and Pro pump replacement
Fully refurbished, tested, and quality-approved
Ensures quiet, energy-efficient circulation
Compact design for easy fitting in tight spaces
Ideal for professional installers and domestic users
Supplied with a 12-month warranty
VU 126/3-5 (2005) – 41-044-44
VU 126/3-5 R1 (2005–2012) – 41-044-44 R1
VU 126/5-5 (2012) – 41-044-60
VU 126/5-5 R1 (2012–2013) – 41-044-60 R1
VU 126/5-5 R2 (2013–2015) – 41-044-60 R2
VU 126/5-5 R4 (2015) – 41-044-60 R4
VU 156/3-5 (2005) – 41-044-45
VU 156/3-5 R1 (2005–2012) – 41-044-45 R1
VU 156/5-5 (2012) – 41-044-61
VU 156/5-5 R1 (2012–2013) – 41-044-61 R1
VU 156/5-5 R2 (2013–2015) – 41-044-61 R2
VU 156/5-5 R4 (2015) – 41-044-61 R4
VU 186/3-5 (2005) – 41-044-46
VU 186/3-5 R1 (2005–2012) – 41-044-46 R1
VU 186/5-5 (2012 LPG) – 41-044-66
VU 186/5-5 (2012 NG) – 41-044-62
VU 186/5-5 R1 (2012–2013 LPG) – 41-044-66 R1
VU 186/5-5 R1 (2012–2013 NG) – 41-044-62 R1
VU 186/5-5 R2 (2013–2015 LPG) – 41-044-66 R2
VU 186/5-5 R2 (2013–2015 NG) – 41-044-62 R2
VU 186/5-5 R4 (2015 LPG) – 41-044-66 R4
VU 186/5-5 R4 (2015 NG) – 41-044-62 R4
VU 246/3-5 (2005) – 41-044-47
VU 246/3-5 R1 (2005–2012) – 41-044-47 R1
VU 246/5-5 (2012) – 41-044-63
VU 246/5-5 R1 (2012–2013) – 41-044-63 R1
VU 246/5-5 R2 (2013–2015) – 41-044-63 R2
VU 246/5-5 R4 (2015) – 41-044-63 R4
VU 306/3-5 (2005) – 41-044-48
VU 306/3-5 R1 (2005–2012) – 41-044-48 R1
VU 306/5-5 (2012 LPG) – 41-044-67
VU 306/5-5 (2012 NG) – 41-044-64
VU 306/5-5 R1 (2012–2013 LPG) – 41-044-67 R1
VU 306/5-5 R1 (2012–2013 NG) – 41-044-64 R1
VU 306/5-5 R2 (2013–2014 LPG) – 41-044-67 R2
VU 306/5-5 R2 (2013–2014 NG) – 41-044-64 R2
VU 306/5-5 R4 (2015 LPG) – 41-044-67 R4
VU 306/5-5 R4 (2015 NG) – 41-044-64 R4
VUW 246/3-5 (2005–2012) – 47-044-31
VUW 246/3-5 R1 (2005–2011) – 47-044-31 R1
VUW 246/3-5 R3 (2011–2012) – 47-044-31 R2
VUW 246/5-5 (2012) – 47-044-40
VUW 246/5-5 R1 (2012–2013) – 47-044-40 R1
VUW 246/5-5 R2 (2013–2015) – 47-044-40 R2
VUW 246/5-5 R4 (2015) – 47-044-40 R4
VUW 316/3-5 (2005–2013) – 47-044-32
VUW 316/3-5 R1 (2005–2011) – 47-044-32 R1
VUW 316/3-5 R3 (2011–2012) – 47-044-32 R3
VUW 316/3-5 R5 (2013) – 47-044-32 R5
VUW 316/5-5 (2012 LPG) – 47-044-46
VUW 316/5-5 (2012 NG) – 47-044-41
VUW 316/5-5 R1 (2012–2013 LPG) – 47-044-46 R1
VUW 316/5-5 R1 (2012–2013 NG) – 47-044-41 R1
VUW 316/5-5 R2 (2013–2015 LPG) – 47-044-46 R2
VUW 316/5-5 R2 (2013–2015 NG) – 47-044-41 R2
VUW 316/5-5 R4 (2015 LPG) – 47-044-46 R4
VUW 316/5-5 R4 (2015 NG) – 47-044-41 R4
Pro 24 – VUW 246/3-3 R1 (2006–2008) – 47-044-36 R1
Pro 24 – VUW 246/3-3 R2 (2008–2012) – 47-044-36 R2
Pro 28 – VUW 286/3-3 R1 (2005–2008) – 47-044-30 R1
Pro 28 – VUW 286/3-3 R2 (2008–2012) – 47-044-30 R2
Part Number: 178983
Alternative Numbers: 0020136638 / 0010030632
Brand: Vaillant
Condition: Refurbished
Warranty: 12 Months
Function: Efficiently circulates heated water within the boiler system
Each pump is fully disassembled, cleaned, and rebuilt using new bearings and seals. It is electrically and hydraulically tested to ensure performance equal to a new unit.
Refurbished pumps offer excellent value, extend boiler life, and reduce environmental impact.
Next-Day Delivery on orders placed before 1 PM (Mon–Fri)
30-Day Return Policy for complete peace of mind
All prices include VAT
Professionally packaged for safe delivery
Please have this part installed by a Gas Safe registered engineer to ensure safety and optimal performance.
✅ Refurbished Vaillant Ecotec Pump 178983 / 0020136638 (0010030632) – a dependable, cost-effective, and sustainable solution to keep your Vaillant boiler running at peak performance.
If you have any questions about compatibility, installation, or your order, our friendly customer support team is here to help.
? Telephone: +44 (0)191 816 0417
? WhatsApp: 07832 156716
Please send us your boiler model and serial number if you are unsure whether this part is compatible. We'll be happy to check before you buy.