Maxitrol TD121 Temperature Selector 30067439-890 Key Benefits Universal Compatibility: Includes

Key Benefits Universal Compatibility: Includes an adapter to interface with standard Robertshaw and competitive thermocouples and thermopiles

The gun setting gauge is used to set the exact distance between the electrode tips and the nozzle face

Precision Balanced: Factory-balanced to reduce vibration

5 LPM flow regulator

Common Questions: What happens if a crankcase heater is not installed on an outdoor unit

Maxitrol TD121 Temperature Selector 30067439-890 Key Benefits Universal Compatibility: IncludesThe 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