A.O. Smith safety thermostat for e.g. BTI 100 0307572(S): original A.O. Smith spare part, type: Thermostat. Application: Hot water cylinder (BTI 100). Manufacturer number: 0307572(S); Instalpunt article number: 8750462.
According to the A.O. Smith parts lists, this part fits 3 models, including A.O. Smith BTI 65, A.O. Smith BTI 85 and A.O. Smith BTI 100. The full list is under “Fits”.
Special-order item: it is ordered specially for you from the manufacturer. Specially ordered items can in principle not be returned. Please check the type plate of your appliance and the part number before ordering.
Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer.

