CALORSTAT by Vernet RS5509 Reverse light switch

Thread Size: M16x1.0; Sensor Type: Closed-type Sensor; Construction Year from: 07/1979, 11/1980, 11/1977, 10/1989, 11/1986, 12/1986, 06/1989, 07/1994, 02/1985, 02/1988, 09/1981, 09/1989, 09/1980, 10/1980, 07/1997; Construction Year to: 10/1988, 10/1989, 04/1994, 01/1994, 10/1993, 11/1990, 07/1994, 02/2001, 09/1997, 02/1988, 07/1990, 05/1994