Trane SEN1107 Thermistor 322838-753 this unit features dual snap-acting
Baker’s notes & crumb story
Description
Trane SEN1107 Thermistor 322838 753 this unit features dual snap acting this unit features dual snap acting SPDT switches to ensure precise boiler water level control and reliable low water protection installing it in a plane other than upright may result in a slight variation in the outlet pressure setpoint