Trade-ready part listing
Verify SKU, product condition and appliance compatibility before ordering.
Worcester
SKU
N8970
Worcester Boiler Pressure Relief Valve 87186439890
Worcester Boiler Pressure Relief Valve 87186439890
Product Overview
The Worcester Boiler Pressure Relief Valve 87186439890 is a critical component designed for specific Worcester heating sy...
Availability
Available to order
Product code
N8970
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 Pressure Relief Valve 87186439890
Product Overview
The Worcester Boiler Pressure Relief Valve 87186439890 is a critical component designed for specific Worcester heating systems. This Spare Part is a genuine replacement component engineered to restore original manufacturer specifications. 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.
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: Replacing a PRV on a Worcester boiler which was leaking and the filling loop was passing. We talk about troubleshooting and repairing a
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: 87186439890) 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 Hiu
47-406-58
Worcester 533 Compact
47-406-83
Worcester 533 Compact ErP
47-406-59
Worcester 535 Compact
47-406-84
Worcester 535 Compact ErP
47-406-44
Worcester Greenstar 28 CDI Compact
47-406-45
Worcester Greenstar 28 CDI Compact LPG
47-406-46
Worcester Greenstar 32 CDI Compact
47-406-47
Worcester Greenstar 32 CDI Compact LPG
47-406-48
Worcester Greenstar 36 CDI Compact
47-406-49
Worcester Greenstar 36 CDI Compact LPG
47-406-77 (7733600054)
Worcester Greenstar 28 CDI Compact ERP
47-406-78 (7733600057)
Worcester Greenstar 28 CDI Compact ERP LPG
47-406-79 (7733600055)
Worcester Greenstar 32 CDI Compact ERP
47-406-80 (7733600058)
Worcester Greenstar 32 CDI Compact ERP LPG
47-406-81 (7733600056)
Worcester Greenstar 36 CDI Compact ERP
47-406-82 (7733600059)
Worcester Greenstar 36 CDI Compact ERP LPG
41-406-13
Worcester Greenstar 27 i System Compact
41-406-14
Worcester Greenstar 27 i System Compact LPG
41-406-15
Worcester Greenstar 30 i System Compact
41-406-16
Worcester Greenstar 30 i System Compact LPG
41-406-58 (7733600060)
Worcester Greenstar 27 i System Compact ERP
41-406-59 (7733600061)
Worcester Greenstar 27 i System Compact ERP LPG
41-406-60 (7733600062)
Worcester Greenstar 30 i System Compact ERP
41-406-61 (7733600063)
Worcester Greenstar 30 i System Compact ERP LPG
41-406-61 (7733600063)
Worcester Danesmoor System 12/18 7716100135
41-406-61 (7733600063)
Worcester Danesmoor System 12/18 ERP + 7731600160
41-406-61 (7733600063)
Worcester Danesmoor System 18/25 7716100136
41-406-61 (7733600063)
Worcester Danesmoor System 18/25 ERP + 7731600162
41-406-61 (7733600063)
Worcester Danesmoor System 25/32 7716100137
41-406-61 (7733600063)
Worcester Danesmoor System 25/32 ERP + 7731600164
41-406-61 (7733600063)
Worcester Danesmoor System External 12/18 7716100150
41-406-61 (7733600063)
Worcester Danesmoor System External 12/18 ERP + 7731600150
41-406-61 (7733600063)
Worcester Danesmoor System External 18/25 7716100151
41-406-61 (7733600063)
Worcester Danesmoor System External 18/25 ERP + 7731600154
41-406-61 (7733600063)
Worcester Danesmoor System External 25/32 7716100152
41-406-61 (7733600063)
Worcester Danesmoor System External 25/32 ERP + 7731600158
41-406-61 (7733600063)
Worcester Danesmoor System Utility 12/18 7716100147
41-406-61 (7733600063)
Worcester Danesmoor System Utility 12/18 ERP + 7731600148
41-406-61 (7733600063)
Worcester Danesmoor System Utility 18/25 7716100148
41-406-61 (7733600063)
Worcester Danesmoor System Utility 18/25 ERP + 7731600152
41-406-61 (7733600063)
Worcester Danesmoor System Utility 25/32 7716100149
41-406-61 (7733600063)
Worcester Danesmoor System Utility 25/32 ERP + 7731600156
41-406-61 (7733600063)
Worcester Heatslave II 12/18 7716100129
41-406-61 (7733600063)
Worcester Heatslave II 12/18 ERP 7731600047
41-406-61 (7733600063)
Worcester Heatslave II 12/18 ERP+ 7731600165
41-406-61 (7733600063)
Worcester Heatslave II 12/18 External 7716100138
41-406-61 (7733600063)
Worcester Heatslave II 18/25 ERP 7731600048
41-406-61 (7733600063)
Worcester Heatslave II 18/25 ERP+ 7731600166
41-406-61 (7733600063)
Worcester Heatslave II 18/25 External 7716100139
41-406-61 (7733600063)
Worcester Heatslave II 25/32 7716100131
41-406-61 (7733600063)
Worcester Heatslave II 25/32 ErP 7731600049
41-406-61 (7733600063)
Worcester Heatslave II 25/32 ERP+ 7731600167
41-406-61 (7733600063)
Worcester Heatslave II 25/32 External 7716100140
41-406-61 (7733600063)
Worcester Heatslave II Ext 12/18 ErP 7731600050
41-406-61 (7733600063)
Worcester Heatslave II Ext 18/25 ErP 7731600051
41-406-61 (7733600063)
Worcester Heatslave II Ext 25/32 ErP 7731600052
41-406-61 (7733600063)
Worcester Heatslave II External 12/18 ERP + 7731600168
41-406-61 (7733600063)
Worcester Heatslave II External 18/25 ERP + 7731600169
41-406-61 (7733600063)
Worcester Heatslave II External 25/32 ERP + 7731600170
47-406-50
Worcester Greenstar 25 SI Compact
47-406-51
Worcester Greenstar 25 SI Compact LPG
47-406-53
Worcester Greenstar 30 SI Compact LPG
47-406-52
Worcester Greenstar 30 SI Compact NG
47-406-73 (7733600050)
Worcester Greenstar 25 SI Compact ERP
47-406-74 (7733600051)
Worcester Greenstar 25 SI Compact ERP LPG
47-406-75 (7733600052)
Worcester Greenstar 30 SI Compact ERP
47-406-76 (7733600053)
Worcester Greenstar 30 SI Compact ERP LPG
47-406-76 (7733600053)
Worcester Heatslave II 18/25 7716100130
47-406-76 (7733600053)