Combicompact, Thermocompact, VC, VCW Safety Switch 251851
Vaillant Safety Switch 251851
This part fits the following:
- Vaillant Combicompact VCW 240 T (1988-1995)
- Vaillant Combicompact VCW 240 XT (1995-1996)
- Vaillant Combicompact VCW 280 T (1988-1995)
- Vaillant Combicompact VCW 280 XT (1995-1996)
- Vaillant Thermocompact VC 110
- Vaillant Thermocompact VC 180
- Vaillant Thermocompact VC 221 T (1988-1996)
- Vaillant Thermocompact VC 240
- Vaillant Thermocompact VCW 221 T(1988-1996)
- Vaillant VC 110 T (1988-1995)
- Vaillant VC 110 XT (1995-1996)
- Vaillant VC 180 T (1988-1995)
- Vaillant VC 180 XT (1995-1996)
- Vaillant VC 221 T (1988-1996)
- Vaillant VC 240 T (1988-1995)
- Vaillant VC 240 XT (1995-1996)
- Vaillant VCW 221 T (1988-1996)
- Vaillant VCW 240 T (1988-1995)
- Vaillant VCW 240 XT (1995-1996)
- Vaillant VCW 280 T (1988-1995)
- Vaillant VCW 280 XT (1995-1996)
The thermistor decreases the current resistance as the temperature increases.
The PCB sends a current to the thermistor and can tell whether an increase or decrease in temperature is needed by the relative resistance in the thermistor.
