No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
PRO1 IAQ T721i Pro1 IAQ Thermostat 2H/1C HP, 1H/1C AC - 24V
Product details
General specs
- Brand: PRO1 IAQ
- Model: T721i Pro1
Starting from €83.35
Last price update: 10/3/26
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| Brand | PRO1 IAQ | Honeywell | vine | Honeywell Home | Honeywell | AprilAire |
| Model | T721i Pro1 | TH6220WF2006/U | TJ-560 | S200 | T6 Pro | S86WMUPR |
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| Price | €83.35 | €124.51 | €97.70 | €92.92 | €112.04 | €99.63 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 |
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