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Vaillant ecoTEC Plus / Pro Boiler Diverter Valve (0020132682 | 0020132683)
The Vaillant ecoTEC Diverter Valve Assembly (Part Nos: 0020132682 / 0020132683) is a core hydraulic distribution unit found across Vaillant’s highly popular ecoTEC Pro, Plus, and Exclusive condensing boiler ranges. This complete assembly features a high-density composite polymer casing that houses the internal cartridge, sliding pin, and water channels. Operating as an electronic switchboard, it responds to real-time signals from the main PCB—activating the diverter motor to push the internal cartridge down to close off the central heating loop and isolate primary heat flow directly into the plate heat exchanger for domestic hot water production.
Complete Flow Correction: Replacing the entire structural housing and internal cartridge assembly immediately remedies complex faults like internal fluid cross-bleed, binding pistons, and small cracks in the polymer.
Resistant to System Debris: Formulated with an advanced composite polymer compound that reduces the adherence of black iron oxide (magnetite) and mineral scale, ensuring smooth mechanical transitions.
Positive Shut-Off Profile: Outfitted with robust, high-performance EPDM rubber seals designed to maintain a bubble-tight barrier, preventing radiators from heating up during summer tap use.
Direct Clip-Fit Design: Manufactured to original factory specification tolerances to facilitate quick clip-and-pin integration into the primary plastic hydro-block layout.
Compatible Models:
Ecotec Plus 824 VUW 246/3-5 R1 (2005-2011) — 47-044-31 R1
Ecotec Plus 824 VUW 246/3-5 R3 (2011-2012) — 47-044-31 R2
Ecotec Plus 824 VUW 246/5-5 (2012-2012) — 47-044-40
Ecotec Plus 824 VUW 246/5-5 R1 (2012-2013) — 47-044-40 R1
Ecotec Plus 825 VUW 196/5-5 R6 (2017 Onwards) — 47-044-83 R6 (0010021823)
Ecotec Plus 831 VUW 316/3-5 R1 (2005-2011) — 47-044-32 R1
Ecotec Plus 831 VUW 316/3-5 R3 (2011-2012) — 47-044-32 R3
Ecotec Plus 831 VUW 316/3-5 R5 (2013-2013) — 47-044-32 R5
Ecotec Plus 831 VUW 316/5-5 2012-2012 LPG — 47-044-46
Ecotec Plus 831 VUW 316/5-5 2012-2012 NG — 47-044-41
Ecotec Plus 831 VUW 316/5-5 R1 2012-2013 LPG — 47-044-46 R1
Ecotec Plus 831 VUW 316/5-5 R1 2012-2013 NG — 47-044-41 R1
Ecotec Plus 832 VUW 246/5-5 R6 (2017 Onwards) LPG — 47-044-85 R6 (0010021825)
Ecotec Plus 832 VUW 246/5-5 R6 (2017 Onwards) NG — 47-044-84 R6 (0010021824)
Ecotec Plus 835 VUW 306/5-5 R6 (2017 Onwards) — 47-044-82 R6 (0010021822)
Ecotec Plus 837 VUW 376/3-5 R1 (2006-2011) — 47-044-33 R1
Ecotec Plus 837 VUW 376/3-5 R3 (2011-2012) — 47-044-33 R3
Ecotec Plus 837 VUW 376/5-5 (2012-2012) — 47-044-42
Ecotec Plus 837 VUW 376/5-5 R1 (2012-2013) — 47-044-42 R1
Ecotec Plus 838 VUW 286/5-5 R6 (2017 Onwards) — 47-044-86 R6 (0010021826)
Ecotec Plus 937 VUI 376/5-5 (2012-2012) — 47-044-43
Ecotec Plus 937 VUI 376/5-5 R1 (2012-2013) — 47-044-43 R1
Ecotec Plus 938 VUI 286/5-5 R6 (2017 Onwards) — 47-044-87 R6 (0010021827)
Ecotec Exclusive 835 VUW 356/5-7 — 47-044-66
Ecotec Exclusive 843 VUW 436/5-7 — 47-044-67
Exclusive 627 VU 256/5-7 — 41-694-02
Vaillant
A02901VL-01
