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

Worcester Boiler Actuator Motor 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 Worcester
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

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.

This part fits the following boilers:

Fits Appliance(s)
GC No.
Worcester Greenstar CC1 FSN 29kW
47-108-05
Worcester Greenstar CS1 FSN 28 kW System
41-108-02
Worcester Greenstar 25 HE Combi
47-311-73
Worcester Greenstar 30 HE Combi
47-311-74
Worcester Greenstar 30 HE Plus
47-311-75
Worcester Greenstar HE Plus 28
47-311-56
Worcester Greenstar HE Plus 35
47-311-57
Worcester R30he Plus Combi
47-311-79 (7713231730)
Worcester R35he Plus Combi
47-311-80 (7713231729)
Worcester R40he Plus Combi
47-311-81 (7713231722)
Worcester Greenstar Highflow 440
47-311-82
Worcester Greenstar R25 HE Combi
47-311-77
Worcester Greenstar R28 HE System
41-311-62
Worcester Greenstar R30 HE Combi
47-311-78
Worcester RD430I (May 2003 Onwards) 7712231670
41-108-06
Worcester RD532 (May 2003 Onwards) 7713231737
41-108-13
Worcester RD532I (May 2003 Onwards) 7713231724
47-108-10
Worcester RD537I (Jan 2003 Onwards) 7713231734
47-108-11
Worcester RD542I (May 2003 Onwards) 7713231723
47-108-12