Trade-ready part listing Verify SKU, product condition and appliance compatibility before ordering.
National Boiler Spares
SKU N9111

Worcester Diverter Valve 87172043450

Worcester Boiler Actuator Motor 87172043450 Product Overview The Worcester Boiler Actuator Motor 87172043450 is a critical component designed for specific Worcester heating systems. This Di...
Availability Available to order
Product code N9111
Brand National Boiler Spares
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Product information

Technical details

Worcester Boiler Actuator Motor 87172043450

Product Overview

The Worcester Boiler Actuator Motor 87172043450 is a critical component designed for specific Worcester heating systems. This Diverter Valve mechanically directs hot water to either the radiators (heating) or the taps (hot water), ensuring demand priority. 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: I this video I show how I replace the diverter valve on a Worcester CDi. This is a difficult job that requires time and patients. Typically, the diverter valve is the component that fails. If it's the cartridge type, simply replacing it should suffice.

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: 87172043450) is designed for models within the Worcester 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.