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Maxitrol's TD121B Remote Temperature Selector is an essential component for single furnace operation in make-up air heating systems. Compatible with Series 21 systems, this selector enhances control over discharge temperatures from 120 degrees Fahrenheit to 170 degrees Fahrenheit.
The TD121B model is engineered for precision in controlling heating temperatures, making it a top choice for professional HVAC installations. It is specifically designed to match the temperature range of Series 21 discharge temperature sensors for optimized performance.
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