Ariston - 11 Thermostat 691216

11 Thermostat 691216 Compatible with: Ariston Classico Unvented Cylinders Ariston Contract STD 100 Cylinders Ariston Contract STD 100 Protech Cylinders Ariston Contract STD 125 Cylinders Ariston Contract STD 150/210 Cylinders Ariston Contract STD 300 Cylinders Ariston Contract STD 300 Protech Cylinders Ariston Contract STI 125 Cylinders Ariston Contract STI 125/150/210 Protech Cylinders Ariston Contract STI 150/210 Cylinders Ariston Contract STI 300 Cylinders Ariston Contract STI 300 Protech Cylinders Ariston STD 125/150/210 Litre Protech Unvented Cylinders Ariston Primo Unvented Cylinders