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The Maxitrol TD121E is a remote temperature selector specially designed to enhance control in HVAC systems, particularly for single furnace operation within Selectra Series 21 systems. Engineered for use with make-up air heating and indirect fired units, this robust controller offers efficient monitoring and adjustment capabilities.
This temperature selector is ideal for professionals in the HVAC industry seeking precise control over furnace operations and air temperature management.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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