Riello Oil Boiler Pressure Gauges
The pressure gauge allows the user to see a visual representation of the pressure present within your central heating boiler. drops often could be caused by a leak someone on your central heating system.
RIELLO 3008876 PRESSURE GAUGE EXTENSION
Part No: 3200078 / MPN: RBS138
RIELLO 3006140 AIR PRESSURE GAUGE
Part No: 3203939 / MPN: 3006140