Maxitrol TD121 Temperature Selector 30067439-890 or ventilation equipment with industrial

or ventilation equipment with industrial precision

including TCD

as a fixed threshold sensor

maintaining a 1

Maxitrol TD121 Temperature Selector 30067439-890 or ventilation equipment with industrialThe Maxitrol TD121 Temperature Selector is a critical control component designed for Selectra Series 21 and 31 electronic gas modulation systems. Specifically engineered for make up air heating and indirect fired units with atmospheric burners, this remote selector provides precise setpoint management within a 55 90 degrees F range. Unlike standard thermostats, the TD121 functions as a remote setpoint adjuster, communicating directly with the A1010 or