“For example, when an [ageing] compressor breaks down, the valve block can consequentially become damaged too. Due to overheating, small metal particles can block the solenoid valves and disturb ...

There’s a compressor that sends air to the bladders, there’s a regulator, hoses, valves, solenoids and other parts. And a leak from any of those would cause the compressor to shut itself down, so it ...