S1-THEH21NS
The S1-THEH21NS thermostat offers basic operation of heat pump equipment at an affordable price. Operating on either 24V system power or 2 AA batteries (included), the S1-THEH21NS is compatible with heat pump equipment. The front loading compartment makes battery replacements a snap.
The auxiliary heat control switch allows manual activation of the 2nd stage electric heater.
S1THECH21NS
- 2-Stage Heat / 1-Stage Cool thermostat
- Works with Heat Pumps
- Auxiliary heat control switch and indicator
- Emergency heat mode
- Setpoints are never lost in power failure
- Fully electronic for accurate, responsive temperature control
- Battery operated or 24VAC
- Large LCD
- Room temperature & set temperature displayed
- Easy to operate
- Heat/Off/Cool – Fan On/Fan Auto
S1-THEH21NS Specifications:
- Width: 5.85"
- Height: 3.67"
- Depth: 1.15"
- Weight: 5 oz
- Supply power: 24 VAC or 2 AA Batteries
S1-THEH21NS is compatible with the following accessories:
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The following downloads are available for S1-THEH21NS:
