Vaillant 0020135131 Heat Exchanger is the official replacement for part number 0020018182, designed for a variety of ecoTEC Plus and ecoTEC Pro boilers.

ompatible Boilers & GC Numbers:

Vaillant ecoTEC Plus Series:

• ecoTEC Plus 612, 615, 618, 624, 630, 637
• ecoTEC Plus 624 VU 246/3-5 R1 (2005-2012) – GC No: 41-044-47 R1
• ecoTEC Plus 624 VU 246/5-5 (2012-2012) – GC No: 41-044-63
• ecoTEC Plus 624 VU 246/5-5 R1 (2012-2013) – GC No: 41-044-63 R1
• ecoTEC Plus 624 VU 246/5-5 R2 (2013-2015) – GC No: 41-044-63 R2
• ecoTEC Plus 831 VUW 316/3-5 R1 (2005-2011) – GC No: 47-044-32 R1
• ecoTEC Plus 831 VUW 316/3-5 R3 (2011-2012) – GC No: 47-044-32 R3
• ecoTEC Plus 831 VUW 316/3-5 R5 (2013-2013) – GC No: 47-044-32 R5
• ecoTEC Plus 831 VUW 316/5-5 (2012-2012) LPG – GC No: 47-044-46
• ecoTEC Plus 831 VUW 316/5-5 (2012-2012) NG – GC No: 47-044-41
• ecoTEC Plus 831 VUW 316/5-5 R1 (2012-2013) LPG – GC No: 47-044-46 R1
• ecoTEC Plus 831 VUW 316/5-5 R1 (2012-2013) NG – GC No: 47-044-41 R1
• ecoTEC Plus 831 VUW 316/5-5 R2 (2013-2015) LPG – GC No: 47-044-46 R2
• ecoTEC Plus 831 VUW 316/5-5 R2 (2013-2015) NG – GC No: 47-044-41 R2

Vaillant ecoTEC Pro Series:

• ecoTEC Pro 28 VUW 286/3-3 R1 (2005-2008) – GC No: 47-044-30 R1
• ecoTEC Pro 28 VUW 286/3-3 R2 (2008-2012) – GC No: 47-044-30 R2
• ecoTEC Pro 28 VUW 286/5-3 (2012-2012) LPG – GC No: 47-044-47
• ecoTEC Pro 28 VUW 286/5-3 (2012-2012) NG – GC No: 47-044-45
• ecoTEC Pro 28 VUW 286/5-3 R1 (2012-2013) LPG – GC No: 47-044-47 R1
• ecoTEC Pro 28 VUW 286/5-3 R1 (2012-2013) NG – GC No: 47-044-45 R1
• ecoTEC Pro 28 VUW 286/5-3 R2 (2013-2015) LPG – GC No: 47-044-47 R2
• ecoTEC Pro 28 VUW 286/5-3 R2 (2013-2015) NG – GC No: 47-044-45 R2

· Meets EU ErP Directive and all major global environmental standards

· Helps customers stay ahead of tightening regulations

Smart Design — Better Performance

· Spiral finned tube structure increases heat transfer surface by 40–60%

· Multi-pass water circuit design for stronger turbulence and better heat exchange

· Low water resistance — works with smaller pumps → saves electricity

Quiet & Stable

· Smooth flame, no pulsation

· Quiet operation — suitable for homes and hospitals

· No hot spots → no cracking, no breakdowns

OEM & Custom Service Available

· Standard sizes in stock for quick delivery

· Custom design & tooling to match your specific boiler model

· Full technical support: heat load calculation, product selection, testing

· Your brand logo can be applied (OEM/ODM welcome)

Why Choose Us?

You get the same quality. You keep more profit. You get better service.

Simple Comparison

Our Promise to You

Same technology as leading manufacturers
Same quality standards — ISO certified production
Better price — improved profit margins
Faster delivery — no long overseas waits
Full support — from selection to after-sales

FAQ

Build a Long-Term Partnership With Our Heat Exchanger Manufacturing Team

As a professional manufacturer of full premix condensing stainless steel heat exchangers, we provide high-quality products, customized services, and complete support for boiler system suppliers and heating equipment manufacturers worldwide.

Contact our team for:

• Latest product specifications and price information
• Customized product development consultation
• Efficient sample production and performance testing
• OEM/ODM manufacturing cooperation discussions

Certificate

Product packaging