|Tests installed pipework for leaks prior to introduction of gas, checks and sets correct gas pressures on domestic and commercial appliances.
Scale adjusts to zero water level.
Marked in millibars.
Please note: for all orders placed after 12pm (Monday - Friday) a further day must be added to all expected delivery dates. All orders placed on Friday (post 12pm) and Saturday / Sunday will not be dispatched until the following Monday (excluding bank holidays).