Vaillant Flow Sensor 178988

Product Overview

The Vaillant Flow Sensor 178988 is a critical component designed for specific Sime heating systems. This NTC / Flow Sensor monitors vital system parameters like temperature and water flow, sending real-time data to the PCB. properly functioning components are vital for the energy efficiency and safety of your boiler.

Technical Insight & Common Failure Symptoms

Based on service data: Boiler kettling can be caused by limescale build-up, which slows down the flow of water in the system and causes it to heat excessively. A faulty component COMMON 232507127 PERSON 232353232 EITHER 231828021 LET 231529250 WHY FLOW 85584876 FOLLOWS 85545433 SUN 85535857 ATTEMPT 85325513 BAD 85320148

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: 178988) is designed for models within the Sime 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.