VAILLANT SUSTAIN 24 28 34 VUW BOILER PCB 0010047389 Was 0020273087 

Product Overview

The Vaillant PCB 0010047389 is an electronic control board designed for use in a wide range of Vaillant domestic heating appliances. The printed circuit board (PCB) serves as the boiler's primary control unit, managing and monitoring the operation of key electrical components to ensure safe and efficient performance.

As part of the boiler's electrical management system, the PCB coordinates normal operating functions, processes signals from sensors, and supports the reliable operation of the appliance.

ℹ️ Product Condition Options:

This item is supplied as New. Please verify compatibility before purchasing to ensure correct fitment.

Technical Insight & Common Servicing Requirements

The PCB is one of the boiler's most critical electronic components and is continually exposed to electrical loads and operational demands during normal use. Over time, electronic components may develop faults that affect the boiler's performance or prevent normal operation.

During routine servicing or repair work, engineers may inspect or replace the PCB due to:

• Boiler lockouts or recurring fault codes.
• Intermittent operational or communication faults.
• Failure to respond to heating or hot water demands.
• Damaged electronic components or electrical connections.
• Preventative replacement during major repair procedures.

A faulty PCB can affect normal boiler operation and may result in reduced performance, operational faults, or complete appliance shutdown.

Compatibility

This PCB (MPN: 0010047389) is suitable for use in a wide range of Vaillant heating appliances, including selected models within the ecoFIT Pure, ecoTEC Plus, Sustain, and Home boiler ranges.

Please strictly verify the manufacturer part number (0010047389) against your boiler's technical manual or existing component before ordering to guarantee correct fitment.

Safety Advice: Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.