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Insulation (set)- DIFF pour Vaillant - 0020082194
  • Insulation (set)- DIFF pour Vaillant - 0020082194

Insulation (set)- DIFF pour Vaillant - 0020082194

42624
€92.56
Insulation kit designed to improve thermal insulation and protect the device’s internal components.
Quantity

Colissimo Delivery expected from 2026-09-24

Available

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  • ✓ Free delivery on orders over €79 in France
  • ✓ Free returns within 30 days
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The insulation kit helps to minimise heat loss inside the unit whilst protecting components exposed to the high temperatures generated by the heating system.

Thanks to its insulating properties, it helps to improve the system’s thermal efficiency and helps to protect surrounding components from heat.

Technical information :

  • DIFF replacement part for Vaillant ref : 0020082194.
  • Helps to limit heat loss within the appliance.
  • Helps protect components from high temperatures.
  • Designed to provide reliable and long-lasting thermal insulation.

Correct installation helps maintain the system’s thermal performance and ensures the proper functioning of internal components.

Safety information :

The installation and replacement of boiler parts must be carried out with care. To ensure the safety and proper functioning of the appliance, it is strongly recommended that a qualified technician be consulted. Incorrect installation or the use of unsuitable parts may lead to risks of malfunction, leakage or safety hazards.

Additional information:
This part is an original spare part from parts manufacturer, it is labelled and packaged under the DIFF distribution brand

Features of product: INSULATION (SET)- DIFF POUR VAILLANT - 0020082194

Package Weight (kg)
0.982
Package Height (m)
0.06
Package Width (m)
0.245
Package Length (m)
0.371
Product type
Isolant

Repairing a Vaillant Boiler: Functional Compatibility and Heating Stability

Vaillant boilers incorporate precise regulation and safety devices that condition heating stability and the production of domestic hot water. Over time, some components can wear out: sensors, hydraulic parts, control boards, or safety elements. A well-chosen part can restore functionality without replacing the unit.

Vaillant DIFF° spare parts cover the most stressed components in wall-mounted gas boilers, whether conventional or condensing. Compatibility must be verified beyond form: connectivity, sensor calibration, electronic version, and control logic are critical to avoid recurring faults.

Key Components for Your Repair

Depending on the issue encountered, the following elements are often involved:

  • Probes and sensors: essential for reliable measurement (temperature, pressure) and stable regulation.

  • Valves and hydraulics: 3-way valves, circulating pumps, and associated parts, in case of heating/DHW or circulation failure.

  • Electronics and safety: control boards, pressure switches, control elements, in case of error codes or unexpected shutdowns.

Identifying the Correct Vaillant Reference

Locate the exact reference of the boiler (nameplate) and the reference of the original component. In some series, a version difference may render a part incompatible despite a similar appearance.

Technical Advice: if the boiler is condensing, also check the state of the ducts and condensate drainage: a clean and properly drained installation minimizes safety triggers.

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