Many combinations are possible, thanks to the variable product programme

FSA:
- Five uniformly staggered installation sizes
- Optical thermometer in display with °C and °F
- Sensor thermometers which record the temperature in the pressurising medium container with a display in °C.
- Can also be supplied in °C and in °F upon request.
- Simple standardised installation conditions (FSA / K)

FSK:
- four evenly staggered installation sizes
- switching contact optionally configured either as an opener (Type O), closer (Type C) or Wechsler (Typ W)
- sensor thermometers which record the temperature in pressurising medium container and display it in °C.
- Can also be supplied in °C and in °F upon request.

TSE:
- Three nominal temperatures: 60°C, 70°C and 80°C.
- Problem-free installation in FSA and FSK (here as TSE-L)
- Simple standardised installation conditions (FSA / K)