Description

• Genuine Worcester 87186439890 safety valve replacement part

• Keep your boiler performing safely and efficiently with the Worcester 87186439890 Safety Valve. This genuine Worcester boiler part ensures reliable pressure relief for a wide range of Worcester models. Designed for long-lasting performance, part number 87186439890 is essential for maintaining system safety and preventing pressure-related damage.

  This safety valve plays a critical role in your boiler’s operation by regulating and releasing excess pressure from the heating system. If your existing valve is leaking or faulty, replacing it promptly with this official Worcester part helps maintain safety, compliance, and overall system health.

• ✅ Compatible Boilers

  This part is compatible with the following models:

  Worcester Greenstar Compact Range:

  • Greenstar 25 SI Compact – 47-406-50

  • Greenstar 30 SI Compact NG – 47-406-52

  • Greenstar 30 SI Compact LPG – 47-406-53

  • Greenstar 28 CDI Compact – 47-406-44

  • Greenstar 32 CDI Compact – 47-406-46

  • Greenstar 36 CDI Compact – 47-406-48

  • Greenstar CDI Compact ERP Models – see product table for GC numbers

  Worcester Danesmoor System Range:

  • Danesmoor System 12/18 – 7716100135

  • Danesmoor System 18/25 – 7716100136

  • Danesmoor System 25/32 – 7716100137

  • All ERP + and external utility versions included

  Worcester Heatslave II Range:

  • Heatslave II 12/18 to 25/32 – All internal and external models

  • Including 2022 versions and ERP + editions

  Other Models:

  • Worcester 533/535 Compact – including ErP models

  • Gr4700IW Series – all NG and LPG variants

  • Greenstar i System Compact – 27kW & 30kW models

Any questions please call us on 0191 2711011 

Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.

For any Worcester Products related products please clink below link :Worcester Spares
For any Worcester Fans please clink below link :Worcester Fan
Bosch PCBs please clink below link :Worcester PCB
Worcester Pump please clink below link :Worcester Pump

     Prices: Please note all prices are inclusive of VAT.

At Heating and catering parts,

We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction.

Please read our full Return Policy

We appreciate you buying from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.

Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.

In a word thank you for choosing us!