Payment methods
Vaillant EcoTEC Plus 412 415 418 424 430 435 Boiler Display 0020173978
2 left
FROM £39.50
Vaillant EcoTEC Plus 412 415 418 424 430 435 Boiler Display 0020173978
The Vaillant Boiler Display 0020173978 is a genuine display module designed for selected Vaillant EcoTEC Plus boilers. This component serves as the primary user interface, providing essential operational information including system status, temperatures, pressure readings, fault codes, and servicing data. A fully functioning display is crucial for the safe and efficient operation of your heating system, allowing both homeowners and engineers to monitor boiler performance and diagnose faults quickly and accurately.
ℹ️ Product Condition Options:
This item may be available in New, Refurbished, or Compatible conditions. Please select your desired option from the dropdown menu above. All refurbished components are professionally inspected and tested to ensure reliable operation.
This item may be available in New, Refurbished, or Compatible conditions. Please select your desired option from the dropdown menu above. All refurbished components are professionally inspected and tested to ensure reliable operation.
Technical Insight & Common Repair Requirements
The display module forms an integral part of the boiler's control system, providing visual communication between the appliance and the user. Over time, displays can become faulty due to component wear, electrical issues, moisture ingress, or general age-related deterioration. Replacing a defective display module can restore normal functionality and assist with accurate fault diagnosis during servicing and repair procedures.
Common symptoms that may indicate a faulty display include:
- Blank or unresponsive screen.
- Missing or distorted characters.
- Intermittent display operation.
- Fault codes not displaying correctly.
- Difficulty accessing boiler menus or settings.
- Backlight or visibility issues.
Compatibility
This display module (MPN: 0020173978) is designed specifically for use with selected Vaillant EcoTEC Plus boilers (including models 412, 415, 418, 424, 430, and 435). Please strictly verify the manufacturer part number against your appliance data badge, technical manual, or existing component before ordering to guarantee correct fitment and intended use.
Safety Advice: Boilers contain gas, electrical, and water-carrying components. Installation, diagnosis, and replacement of boiler parts must only be carried out by a Gas Safe registered engineer in accordance with current safety regulations and manufacturer guidelines. Always isolate the appliance before carrying out any maintenance work.
```This part fits the following boilers:
Fits Appliance(s)
GC No.
VaillantEcotec Plus 412 VU 126/6-5 Ov 2015-2016
41-044-71
VaillantEcotec Plus 412 VU 126/6-5 OVZ 2016-2019
41-044-72
VaillantEcotec Plus 415 VU 156/6-5 Ov 2015-2016
41-044-73
VaillantEcotec Plus 415 VU 156/6-5 OVZ 2016-2019
41-044-74
VaillantEcotec Plus 418 VU 186/6-5 Ov 2015-2016
41-044-75
VaillantEcotec Plus 418 VU 186/6-5 OVZ 2016-2019
41-044-76
VaillantEcotec Plus 424 VU 246/6-5 Ov 2015-2016
41-044-77
VaillantEcotec Plus 424 VU 246/6-5 OVZ 2016-2019 LPG
41-044-78
VaillantEcotec Plus 424 VU 246/6-5 OVZ 2016-2019 NG
41-044-79
VaillantEcotec Plus 430 VU 306/6-5 Ov 2015-2016
41-044-80
VaillantEcotec Plus 430 VU 306/6-5 OVZ 2016-2019
41-044-81
VaillantEcotec Plus 435 VU 356/6-5 OVZ 2016-2019
41-044-82
Delivery
Free next day UK delivery is available on orders over £50.
Orders placed before 3 PM are usually dispatched the same working day.
Delivery times may vary for remote areas, Highlands, islands, and non-mainland UK destinations.
If you need urgent delivery help, please contact our customer service team before placing your order.
All Orders First 30 Days:
You can return or cancel your orders for any reason at any time within 30 days of receipt. After 30 days, we reserve the right to charge a restocking fee or refuse the return.
Parts must be returned in the same condition and packaging as received, or we may deduct a percentage of the cost of the part.
A full refund or exchange will be agreed once the item(s) have been received and inspected to ensure they are unused and in their original packaging where applicable.
If the part is returned as faulty and is found to be working upon inspection, postage costs will be deducted from the refund.
Faulty Items After 30 Days:
All items come with a 1 year HTS warranty from the date of purchase. Warranty means HTS will repair or replace the item.
Refunds:
Our returns team will process your refund after we receive and check your items. Please allow up to 15 days for your refund to be processed.
The refund will be made to the original payment method used to place the order.
Contact Us:
For any queries, email us at returns@heatingtradesupplies.com or call +44 01912633708.
Customer Services
National Boiler Spares Ltd
Tyne View Terrace
Wallsend
Tyne and Wear
NE28 6SG
