Vaillant display cover · Ref. 077978
RefurbishedVaillantPCBs (control boards)

Vaillant display cover · Ref. 077978

Stock · 1 unit

Vaillant display panel cover, reference 077978. It is a front-panel part: it is not the electronic board that controls the boiler. Compare the mounting points and button layout with your part before ordering.

VAT included

Compatibility

Check the model and version before ordering

We retain associated models to help you find your appliance. The version and parts diagram must be checked before choosing this replacement.

Models pending verification

These models are associated with this reference, but we have not finished verifying them yet, so we do not consider them compatibleIf your boiler is one of them, send us a photo of the part you are going to replace and we will verify it before you purchase.

Vaillant VUW 242/3Turbomax Pro 24E (VUW 242)Unconfirmed
Vaillant VUW 242/2-3Turbomax Pro 24E (VUW 242)Unconfirmed
Vaillant VUW 242/2-3 R1Turbomax Pro 24E (VUW 242)Unconfirmed
Vaillant VUW 242/2-3 R2Turbomax Pro 24E (VUW 242)Unconfirmed
Vaillant VUW 242/2-3 R3Turbomax Pro 24E (VUW 242)Unconfirmed
Vaillant VUW 282/3Turbomax Pro 28E (VUW 282)Unconfirmed
Vaillant VUW 282/2-3Turbomax Pro 28E (VUW 282)Unconfirmed
Vaillant VUW 282/2-3 R1Turbomax Pro 28E (VUW 282)Unconfirmed
Vaillant VUW 282/2-3 R2Turbomax Pro 28E (VUW 282)Unconfirmed
Vaillant VUW 282/2-3 R3Turbomax Pro 28E (VUW 282)Unconfirmed

Can't see your model or have questions? The printed reference takes precedence. How to check it ·

Guide

How to check if ref. 077978 is the part for your boiler

What determines it is not the boiler model, but the reference printed on the part you already have installed.

  1. Find the reference printed on the installed part and check whether it matches the catalogue reference 077978. If it is not visible, do not identify the part from its shape alone.
  2. Check the full boiler model on its data plate and look for it in the model associations on this page.
  3. Compare the connections and physical body with the original part before installation.
  4. If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Diagnosis and fault codes

What to check before replacing display cover 077978

Common symptoms and faults

  • 01

    Cracked cover or damaged mounting points

    Cause: Front-panel damage may prevent the cover from being held securely.

    Compare the mounting points with the photographs and confirm the replacement for your version.

  • 02

    Buttons or display do not respond

    Cause: The problem may be in the button mechanism or electronics, not in the cover.

    Request a technical check before replacing the front panel.

These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.

Technical data

Technical details of Vaillant display cover 077978

Catalogue reference
077978
Brand
Vaillant
Type of part
Display cover
Units in stock
1 unit
Status
Refurbished
Warranty
1 year
Shipping
Delivery time shown at checkout
Return
14 days
Before purchasing
  • A blank display or a button that does not respond does not by itself prove that the cover is faulty. Confirm the diagnosis and which parts are included in the photographed replacement before buying.
Frequently Asked Questions

Frequently asked questions about display cover 077978

Is reference 077978 an electronic board?
No. The Vaillant catalogue identifies 077978 as a display cover and lists electronic boards separately. This cover does not control ignition or burner modulation.
What should I check to choose this cover?
The replacement reference, mounting tabs, button layout and the complete boiler version. A similar range name is not enough to confirm the fit.
Can it repair a blank display?
The cover does not replace diagnosis of the display or electronics. If there is no physical damage to the front panel, ask for advice before ordering.

Spare parts related to Vaillant

Entrega calculada por destinoDelivery time shown at checkout
1-year warrantyreviewed and tested
14-day returnuninstalled parts
Technical supportwe verify your model
Vaillant display cover · Ref. 077978