Optimum Pipe and Cylinder Dial Thermostat 10 to 90 Degrees Tower PCS Optimum Pipe and Cylinder Dial Thermostat 10 to 90 DegreesAt a glance...• Mounts on water pipes & hot water cylinders• Temperature control range: 10°C to 90°C• IP40 Rated• Switch type: Single Pole/Double Throw• Rating: 16A..