
PRO-1 T855SH Universal Programmable Thermostat – Up to 5 Heat / 3 Cool, Auto Changeover
PRO-1 T855SH Universal Programmable Thermostat – Residential & Light Commercial HVAC Control
Take complete control of your HVAC system with the PRO-1 T855SH Universal Programmable Thermostat. Designed for both residential and light commercial applications, this thermostat supports up to 5 Heat / 3 Cool stages for heat pumps and 2 Heat / 2 Cool for conventional systems, making it one of the most versatile options available. Featuring auto changeover, an intuitive programming menu, and a large 8 sq. inch backlit display, the T855SH offers convenience, flexibility, and precision temperature control.
Key Features & Benefits:
✅ Universal Compatibility – Works with heat pumps (5H/3C) and conventional HVAC systems (2H/2C).
✅ Programmable or Non-Programmable Modes – Choose 7-day, 5/1/1, or non-programmable settings based on your needs.
✅ Auto Changeover – Automatically switches between heating and cooling for year-round comfort.
✅ Large 8 Sq. Inch Display – Blue backlit LCD screen for easy readability in any lighting conditions.
✅ Intuitive Programming Icons – Wake, leave, return, and sleep icons simplify scheduling.
✅ Glow-in-the-Dark Light Button – Easily adjust settings at night.
✅ Programmable Fan Control – Customize fan settings for optimal airflow and energy efficiency.
✅ Room Temperature Calibration Adjustment – Fine-tune temperature accuracy for precise comfort.
✅ Heating & Cooling Cycle Rate Adjustments – Set separate cycle rates for heating and cooling, including 2nd-stage adjustments.
✅ Keypad Lockout & Setpoint Limits – Prevent unauthorized temperature adjustments.
✅ 5-Minute Compressor Delay Protection – Protects your HVAC system from short cycling (selectable on/off).
✅ Filter Change Indicator – Set reminders for air filter changes (selectable on/off).
✅ Easy Installation – Features color-coded terminal blocks, a universal sub-base, and wall/junction box mounting for quick setup.
✅ Electric or Gas Configurable – Compatible with both electric and gas heating systems.
✅ Battery or Hardwire Power – Operates on batteries or a 24V power source.
✅ 5-Year Warranty – Backed by a 5-year manufacturer warranty for peace of mind.
Specifications:
- Brand: PRO-1
- Model: T855SH
- System Compatibility: Universal (Residential & Light Commercial)
- Heat/Cool Stages: 5 Heat / 3 Cool (Heat Pump), 2 Heat / 2 Cool (Conventional)
- Thermostat Type: Programmable (7-Day, 5/1/1) or Non-Programmable
- Power Options: Battery or Hardwire (24V)
- Display: 8 sq. inch blue backlight
- Mounting: Wall or Junction Box
- Thermostat Mobility: Stationary
- Warranty: 5 Years
Why Choose the PRO-1 T855SH?
The PRO-1 T855SH Universal Thermostat is ideal for homeowners, property managers, and businesses looking for a high-quality, feature-rich thermostat that offers maximum control over heating and cooling systems. Whether you're using a high-stage heat pump or a conventional system, this thermostat delivers energy efficiency, ease of use, and advanced programming options.
Need Help? Contact Us!
If you have any questions about the PRO-1 T855SH Universal Programmable Thermostat, please call us to speak with a customer service representative. They will be happy to help!
As always, purchase your MRCOOL parts and equipment from the USA’s most trusted MRCOOL dealer, MRCOOL DIY Direct.
Original: $171.00
-65%$171.00
$59.85PRO-1 T855SH Universal Programmable Thermostat – Up to 5 Heat / 3 Cool, Auto Changeover
PRO-1 T855SH Universal Programmable Thermostat – Residential & Light Commercial HVAC Control
Take complete control of your HVAC system with the PRO-1 T855SH Universal Programmable Thermostat. Designed for both residential and light commercial applications, this thermostat supports up to 5 Heat / 3 Cool stages for heat pumps and 2 Heat / 2 Cool for conventional systems, making it one of the most versatile options available. Featuring auto changeover, an intuitive programming menu, and a large 8 sq. inch backlit display, the T855SH offers convenience, flexibility, and precision temperature control.
Key Features & Benefits:
✅ Universal Compatibility – Works with heat pumps (5H/3C) and conventional HVAC systems (2H/2C).
✅ Programmable or Non-Programmable Modes – Choose 7-day, 5/1/1, or non-programmable settings based on your needs.
✅ Auto Changeover – Automatically switches between heating and cooling for year-round comfort.
✅ Large 8 Sq. Inch Display – Blue backlit LCD screen for easy readability in any lighting conditions.
✅ Intuitive Programming Icons – Wake, leave, return, and sleep icons simplify scheduling.
✅ Glow-in-the-Dark Light Button – Easily adjust settings at night.
✅ Programmable Fan Control – Customize fan settings for optimal airflow and energy efficiency.
✅ Room Temperature Calibration Adjustment – Fine-tune temperature accuracy for precise comfort.
✅ Heating & Cooling Cycle Rate Adjustments – Set separate cycle rates for heating and cooling, including 2nd-stage adjustments.
✅ Keypad Lockout & Setpoint Limits – Prevent unauthorized temperature adjustments.
✅ 5-Minute Compressor Delay Protection – Protects your HVAC system from short cycling (selectable on/off).
✅ Filter Change Indicator – Set reminders for air filter changes (selectable on/off).
✅ Easy Installation – Features color-coded terminal blocks, a universal sub-base, and wall/junction box mounting for quick setup.
✅ Electric or Gas Configurable – Compatible with both electric and gas heating systems.
✅ Battery or Hardwire Power – Operates on batteries or a 24V power source.
✅ 5-Year Warranty – Backed by a 5-year manufacturer warranty for peace of mind.
Specifications:
- Brand: PRO-1
- Model: T855SH
- System Compatibility: Universal (Residential & Light Commercial)
- Heat/Cool Stages: 5 Heat / 3 Cool (Heat Pump), 2 Heat / 2 Cool (Conventional)
- Thermostat Type: Programmable (7-Day, 5/1/1) or Non-Programmable
- Power Options: Battery or Hardwire (24V)
- Display: 8 sq. inch blue backlight
- Mounting: Wall or Junction Box
- Thermostat Mobility: Stationary
- Warranty: 5 Years
Why Choose the PRO-1 T855SH?
The PRO-1 T855SH Universal Thermostat is ideal for homeowners, property managers, and businesses looking for a high-quality, feature-rich thermostat that offers maximum control over heating and cooling systems. Whether you're using a high-stage heat pump or a conventional system, this thermostat delivers energy efficiency, ease of use, and advanced programming options.
Need Help? Contact Us!
If you have any questions about the PRO-1 T855SH Universal Programmable Thermostat, please call us to speak with a customer service representative. They will be happy to help!
As always, purchase your MRCOOL parts and equipment from the USA’s most trusted MRCOOL dealer, MRCOOL DIY Direct.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
PRO-1 T855SH Universal Programmable Thermostat – Residential & Light Commercial HVAC Control
Take complete control of your HVAC system with the PRO-1 T855SH Universal Programmable Thermostat. Designed for both residential and light commercial applications, this thermostat supports up to 5 Heat / 3 Cool stages for heat pumps and 2 Heat / 2 Cool for conventional systems, making it one of the most versatile options available. Featuring auto changeover, an intuitive programming menu, and a large 8 sq. inch backlit display, the T855SH offers convenience, flexibility, and precision temperature control.
Key Features & Benefits:
✅ Universal Compatibility – Works with heat pumps (5H/3C) and conventional HVAC systems (2H/2C).
✅ Programmable or Non-Programmable Modes – Choose 7-day, 5/1/1, or non-programmable settings based on your needs.
✅ Auto Changeover – Automatically switches between heating and cooling for year-round comfort.
✅ Large 8 Sq. Inch Display – Blue backlit LCD screen for easy readability in any lighting conditions.
✅ Intuitive Programming Icons – Wake, leave, return, and sleep icons simplify scheduling.
✅ Glow-in-the-Dark Light Button – Easily adjust settings at night.
✅ Programmable Fan Control – Customize fan settings for optimal airflow and energy efficiency.
✅ Room Temperature Calibration Adjustment – Fine-tune temperature accuracy for precise comfort.
✅ Heating & Cooling Cycle Rate Adjustments – Set separate cycle rates for heating and cooling, including 2nd-stage adjustments.
✅ Keypad Lockout & Setpoint Limits – Prevent unauthorized temperature adjustments.
✅ 5-Minute Compressor Delay Protection – Protects your HVAC system from short cycling (selectable on/off).
✅ Filter Change Indicator – Set reminders for air filter changes (selectable on/off).
✅ Easy Installation – Features color-coded terminal blocks, a universal sub-base, and wall/junction box mounting for quick setup.
✅ Electric or Gas Configurable – Compatible with both electric and gas heating systems.
✅ Battery or Hardwire Power – Operates on batteries or a 24V power source.
✅ 5-Year Warranty – Backed by a 5-year manufacturer warranty for peace of mind.
Specifications:
- Brand: PRO-1
- Model: T855SH
- System Compatibility: Universal (Residential & Light Commercial)
- Heat/Cool Stages: 5 Heat / 3 Cool (Heat Pump), 2 Heat / 2 Cool (Conventional)
- Thermostat Type: Programmable (7-Day, 5/1/1) or Non-Programmable
- Power Options: Battery or Hardwire (24V)
- Display: 8 sq. inch blue backlight
- Mounting: Wall or Junction Box
- Thermostat Mobility: Stationary
- Warranty: 5 Years
Why Choose the PRO-1 T855SH?
The PRO-1 T855SH Universal Thermostat is ideal for homeowners, property managers, and businesses looking for a high-quality, feature-rich thermostat that offers maximum control over heating and cooling systems. Whether you're using a high-stage heat pump or a conventional system, this thermostat delivers energy efficiency, ease of use, and advanced programming options.
Need Help? Contact Us!
If you have any questions about the PRO-1 T855SH Universal Programmable Thermostat, please call us to speak with a customer service representative. They will be happy to help!
As always, purchase your MRCOOL parts and equipment from the USA’s most trusted MRCOOL dealer, MRCOOL DIY Direct.
