YS4004
YoLink Thermostat 2, Dual-Stage Heat & Cool
Description
Control a compatible two-stage 24 V AC heating and cooling system, including supported heat-pump configurations, from the wall or YoLink app. Set schedules and ECO offsets, and use up to two compatible YS8007 or YS8017 thermometer-hygrometers as optional temperature sources.
A compatible two-stage 24 V AC HVAC system with a C wire or C-wire adapter is needed. A YoLink hub is needed separately for remote app control. Not for millivolt or 120/240 V systems.
Turn off HVAC power before wiring and match the selected conventional or heat-pump terminals to the installation guide.
Specifications
- Scheduled setpoint range
- 41–95°F (5–35°C)
- Power input
- 24 V AC
- Operating temperature
- −4–122°F (−20–50°C)
- Operating humidity
- Up to 95% RH, non-condensing
- Dimensions
- 115 × 115 × 22.2 mm (4.53 × 4.53 × 0.87 in)(L × W × D)
Manuals & support
Shipping, returns & warranty
Shipping
Free Shipping for Orders $50 and Up (U.S. Only)
Shipping policy ↗Returns
60-day returns from delivery. Customer-paid return shipping; condition and restocking terms apply.
Return policy ↗Warranty
Review the product warranty terms.
Warranty terms ↗