Description
PCB For Vaillant Ecotec VU 466/4-5 – Advance Replacement
The Vaillant Ecotec VU 466/4-5 PCB 0020046177 controls key boiler functions to keep heating stable and responsive. This refurbished PCB helps restore reliable operation when your boiler shows fault codes, stops firing, or loses control signals. Moreover, it supports consistent communication between sensors and the boiler controls. Because the part number 0020046177 matches the correct board specification, it helps you avoid wrong fit issues and repeat breakdowns.
Compatible Boilers
Vaillant Ecotec VU Series
Ecotec VU 466/4-5 (GC No. VU GB 466 4 5 / 0010017819)
Ecotec VU GB 466/4-5 A 2015 to 2018 (GC No. 0010017819)
Ecotec VU GB 466/4-5 H (GC No. 0010004139)
Ecotec VU GB 656/4-5 2007 to 2015 (GC No. 0010004140)
Ecotec VU GB 656/4-5 A 2015 to 2018 (GC No. 0010017820)
Why Choose This Product?
This refurbished Vaillant PCB offers a cost-effective way to restore stable boiler control and reliable heating output. Furthermore, it helps solve common PCB faults, such as random shutdowns, repeated error codes, and inconsistent firing. Because technicians test each board for correct function, you gain dependable performance while you reduce replacement cost. In addition, choosing refurbished supports a more sustainable repair option, so you reduce waste while keeping your boiler running smoothly.
Delivery and Return
Orders placed before 1 PM are dispatched on the same working day, so you get your part sooner. Additionally, you can choose standard delivery or next-day courier service at checkout. If you need to return the item, you can return it within 30 days in its original condition. Finally, always use a Gas Safe registered engineer for safe diagnosis, fitting, and testing.
Frequently Asked Questions
1. What boilers is the Vaillant Ecotec PCB 50020046177 compatible with?
This PCB is designed for Vaillant Ecotec VU 466/4-5 models. Check your boiler’s manufacturer part number before ordering to ensure compatibility.
2. What does the Vaillant Ecotec PCB do?
The PCB manages your boiler’s key functions, including heating cycles, temperature control, and hot water supply, helping your boiler run efficiently and reliably.
3. How quickly will my order be shipped?
Orders placed by 1:00 PM (Monday–Friday) are dispatched the same day. Weekend delivery is available if you select the Saturday delivery option at checkout.
4. Can I install the PCB myself?
Installation should only be performed by a Gas Safe registered engineer. Incorrect installation can damage the boiler or create safety hazards.










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