Trade-ready part listing Verify SKU, product condition and appliance compatibility before ordering.
National Boiler Spares

VAILLANT Main Heat Exchanger Check Manual

VAILLANT ECO TEC PLUS & PRO MAIN HEAT EXCHANGER THERMAL FUSE SENSOR (F76 FAULT) WITH CABLE Product Overview The VAILLANT ECO TEC PLUS & PRO MAIN HEAT EXCHANGER THERMAL FUSE SENSOR (...
Availability Available to order
Product code Not set
Brand National Boiler Spares
Trade purchase panel

Trade pricing & order

Logged-in trade customers can view their assigned B2B price and add this item to their trade cart.

Trade pricing is available to approved accounts only. Sign in to your trade account to see your contracted B2B pricing and order this part.

Trade dispatch flow Built for repeat B2B ordering and fast warehouse processing.
B2B pricing Logged-in trade customers see their assigned SparkLayer pricing.
SKU-first search Designed around SKU, GC number and part-name lookup.
Support/reference Use product code and order number when contacting the team.
Product information

Technical details

VAILLANT ECO TEC PLUS & PRO MAIN HEAT EXCHANGER THERMAL FUSE SENSOR (F76 FAULT) WITH CABLE

Product Overview

The VAILLANT ECO TEC PLUS & PRO MAIN HEAT EXCHANGER THERMAL FUSE SENSOR (F76 FAULT) WITH CABLE is a critical component designed for specific VAILLANT heating systems. This Main Heat Exchanger transfers thermal energy from the burner flame to the system water within the combustion chamber. properly functioning components are vital for the energy efficiency and safety of your boiler.

ℹ️ Product Condition Options:
This part may be available in New, Refurbished, or Compatible conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.

Technical Insight & Common Failure Symptoms

Based on service data: In simpler terms, your Vaillant boiler has a built-in sensor called a thermal fuse located at the top of the primary heat exchanger. This fuse is designed Vaillant EcoMax Pro 18/2/E Error Codes; Vaillant EcoTec Plus Cable or cable connections for safety fuse in primary heat exchanger or primary heat exchanger

Replacing this part often resolves the following issues:

  • Restores reliable system operation and eliminates fault codes.
  • Resolves specific failure symptoms such as component malfunction.
  • Ensures safety compliance and efficient boiler performance.

Compatibility

This part (MPN: Check Manual) is designed for models within the VAILLANT range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.

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