Viessmann Thermistors
The thermistor decreases the circuit resistance as the temperature increases. The electronic control board sends a current to the thermistor and can tell whether an increase or decrease in heat is needed by the resistance provided by the thermistor.
VIESSMANN 7819967 SENSOR 3 (BOILER) WB1/WB2
Part No: 2320068 / MPN: 7819967
VIESSMANN 7828749 FLOW SENSOR
Part No: 2321002 / MPN: 7828749
VIESSMANN 7822767 SENSOR 15 (FLUE GAS) WB1B / WB2B
Part No: 2320522 / MPN: 7822767
VIESSMANN 7825487 FIXED HIGH LIMIT, 210F/99C WB2
Part No: 2320066 / MPN: 7825487
VIESSMANN 7179114 SENSOR 5 (DHW, IMMERSION)
Part No: 2320322 / MPN: 7179114
VIESS 7837078 SENSOR #3 (BOILER- TANK) TMK/DEK/KR
Part No: 2321398 / MPN: 7837078
VIESSMANN 7831404 HIGH LIMIT SWITCH 100C-6 36TXVE21
Part No: 2321104 / MPN: 7831404
VIESSMANN 7819825 SENSOR 5 (DHW) WB2A-24C
Part No: 2320476 / MPN: 7819825
VIESSMANN 7834379 BUFFER TEMPERATURE SENSOR NTC 10K
Part No: 2321232 / MPN: 7834379
VIESSMANN 7820148 SENSOR 1 (OUTDOOR)
Part No: 2320318 / MPN: 7820148
VIESSMANN 7438702 SENSOR 5 (DHW, NTC 10 OHM)
Part No: 2320610 / MPN: 7438702
VIESSMANN 7831913 COLLECTOR TEMPERATURE SENSOR NTC
Part No: 2321180 / MPN: 7831913
VIESSMANN 7823489 REED SENSOR PACKAGED
Part No: 2320350 / MPN: 7823489
VIESSMANN 7818116 SENSOR 1 (OUTDOOR) WB1B/WB2 CSCDE
Part No: 2320452 / MPN: 7818116
VIESSMANN 7837053 OUTDOOR TEMPERATURE SENSOR NTC
Part No: 2321234 / MPN: 7837053