The Rankin Delux RD100-08 Thermostat Solid State (RD-100) is a highly efficient part, For temperature control and regulation it is designed in a way that Several constructions can be apply to maintain a right temperature through out the several environment. It is built to last and the small size makes it easy to install thus making it very reliable. The thermostat’s solid-state elemen... https://partsfe.com/thermostat-solid-state-for-rankin-deluxe-part-rd100-08