Bosch Pressure Relief Valve – 314439 87161424220

Worcester Relief  Valve 87161424220

Compatible with the following Worcester Boilers:

Camray 12/18 Utility System: 7716100111

and Camray 18/25 Utility System: 7716100112

plus Camray 25/32 Utility System: 7716100113

with Greenstar Camray 12/18 Oil: 7716100121

also Greenstar Camray 18/25 Oil: 7716100122

fits Greenstar Camray 25/32 Oil: 7716100123

Greenstar Camray External System 12/18: 7716100126

and Greenstar Camray External System 18/25: 7716100127

with Greenstar Camray External System 25/32: 7716100128

plus Hiflo 400 BSN NG Combi: 7716120000

also Hiflo 400 BSP LPG Combi: 7716120001

fits Hiflo 400 FSN NG Combi: 7716120002

and Hilflo 400 FSP LPG Combi: 7716120003

with Hiflo 400 OSN NG Combi: 7716120004

plus Hiflo OSP LPG Combi: 7716120005

also Hiflo 400 Electronic FSN: 7716120009

and Hiflo 400 Electronic OSN: 7716120010

Hiflo 400 Electronic FSP: 7716120011

The pressure relief valve helps to control pressure in a closed system.

It does this by proportionally opening to relieve excess pressure, preventing catastrophic malfunction.