Bosch Pressure Gauge 87161164280

Worcester Pressure Gauge 87161164280

Will fit the following:

• Worcester GREENSTAR 30SI FSN NG
• Worcester GREENSTAR ERP SYSTEM 9I
• Worcester GREENSTAR ERP SYSTEM 12I
• Worcester GREENSTAR ERP SYSTEM 15I
• Worcester GREENSTAR ERP SYSTEM 18I
• Worcester GREENSTAR ERP SYSTEM 21I
• Worcester GREENSTAR ERP SYSTEM 24I
• Worcester GREENSTAR ERP 25I
• Worcester GREENSTAR ERP 30I
• Worcester GREENSTAR ERP CLASSIC 29 CDI
• Worcester GREENSTAR ERP CLASSIC 29 CDI LPG
• Worcester GREENSTAR ERP CLASSIC SYSTEM 30 CDI
• Worcester GREENSTAR ERP CLASSIC 34 CDI
• Worcester GREENSTAR ERP CLASSIC 34 CDI LPG
• Worcester GREENSTAR ERP CLASSIC SYSTEM 35 CDI
• Worcester GREENSTAR ERP CLASSIC SYSTEM 35 CDI LPG
• Worcester GREENSTAR ERP CLASSIC 38 CDI
• Worcester GREENSTAR ERP CLASSIC 38 CDI LPG
• Worcester GREENSTAR ERP CLASSIC 42 CDI
• Worcester GREENSTAR ERP CLASSIC 42 CDI LPG

A Worcester Bosch pressure gauge for Greenstar and Greenstar ErP boilers.

A pressure gauge gives a visual measurement of the pressure in a system.

Ordinarily a leak in your system will show as a consistent pressure drop.