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With a fixed thermal profile
While designed primarily for ADP air handlers
not just when the starter is energized
this model offers unmatched reliability in secondary pump control and burner low water fuel cut-off protection
where precise air-to-fuel ratios are required
Resideo TH6210U2001 Thermostat R-134A With a fixed thermal profileThe Resideo TH6210U2001 is a professional grade, programmable T6 Pro thermostat engineered for high reliability control of 1 Heat 1 Cool conventional systems and 2 Heat 1 Cool heat pump systems. As the direct replacement for 2220NC, this model utilizes the standardized UWP mounting system, allowing for rapid field swaps and a consistent installation footprint across the entire T Series line. Whether configured for 7 day, 5 2, or 5 1 1 day scheduling,