Bosch Safety Relief Valve 3 bar 87174010120

Worcester Relief Valve 87174010120

This part fits:

with Worcester CC1 NG 29KW

plus Worcester CS1 NG 28KW

also Worcester GREENSTAR FSN NG COMBI

and Worcester GREENSTAR HE FSN NG 25KW COMBI

with Worcester GREENSTAR HE FSN NG 27KW COMBI

plus Worcester GREENSTAR HE FSN NG 27KW SYSTEM

also Worcester GREENSTAR HE FSN NG 30KW COMBI

and Worcester GREENSTAR HE PLUS FSN 28KW COMBI

with Worcester GREENSTAR HE PLUS FSN 30KW COMBI

plus Worcester GREENSTAR HE PLUS FSN 35KW COMBI

also Worcester GREENSTAR HE PLUS FSN 40KW COMBI

with Worcester GREENSTAR HE FSN NG 29KW CONVENTIONAL

plus Worcester GREENSTAR HE FSN NG 40KW CONVENTIONAL

and Worcester ICC2 FSN NATGAS 30KW CONDENSING

with Worcester ICC2 FSN NATGAS 37KW CONDENSING

plus Worcester ICS1 FSN NATGAS 28KW CONDENSING

also Worcester ICS1 FSN NATGAS 35KW CONDENSING

The pressure relief valve helps to control pressure build up within a heating system.

It is set to proportionally react to increasing pressure in the system to prevent catastrophic boiler malfunction.