Outdoor Temperature Sensor (NRCB)
CB - Water Temperature Sensor
NRCP - CB Cold Water Temperature Sensor
CB - Exhaust Temperature Sensor
NRCP - Exhaust Temperature Sensor
NRCP - Hot water Temperature Sensor
CB - Hot Water Temperature Sensor
NRCP - Water Temperature Sensor
CB - Water Return Temperature Sensor
CB - Overheat Sensor 105
