Worcester 87186439890 Bosch Pressure Relief ValveThe Worcester Bosch Pressure Relief Valve 87186439890 is an essential safety component in your boiler system. This valve helps maintain safe pressure levels within your Worcester Bosch boiler by releasing excess pressure. If your boiler frequently loses pressure, this part might need replacement.What does a pressure relief valve do in a boiler? The pressure relief valve ensures your boiler system stays safe by automatically releasing excess pressure, preventing potential damage to the unit. For any pressure relief valve replacement, we recommend using a Gas Safe engineer to inspect and swap the part.Boiler Compatibility ListThis Worcester Bosch Pressure Relief Valve fits into several Worcester boiler series. Here is the list of compatible boiler listWorcester Greenstar Boiler SeriesGreenstar 28 CDI Compact – 47-406-44Greenstar 28 CDI Compact LPG – 47-406-45Greenstar 32 CDI Compact – 47-406-46Greenstar 36 CDI Compact LPG – 47-406-49[Further models listed in the full compatibility section below]Worcester Danesmoor System Boiler SeriesDanesmoor System 12/18 – 7716100135Danesmoor System 12/18 ERP – 7731600160Danesmoor System 18/25 – 7716100136[Additional models available]Worcester Heatslave II Boiler SeriesHeatslave II 12/18 – 7716100129Heatslave II 12/18 ERP – 7731600047Heatslave II 12/18 ERP – 7731600165Heatslave II 18/25 ERP – 7731600048[See full list for more Heatslave II models]Orders placed by 1:00 p.m. EST (Monday–Friday) are shipped the same day. We offer next-day delivery, excluding weekends. For Friday orders, next-day delivery is on Monday unless you select the Saturday delivery option at checkout. At Aspire Heating, your satisfaction is our priority. If your Worcester Bosch PRV, does not meet your expectations, you can return it within 30 days. Please read our full Return Policy for more information.
