PRO1 IAQ Low-voltage Digital Thermostat Type 

• Breakdown of the Code
• T751: The exact manufacturer model number.
• T700: The baseline hardware platform/family design it is built on.
• NON-PROG: Non-Programmable, meaning it operates via manual temperature adjustments rather than scheduled calendar routines.
• 3H/2C: 3 Stages of Heating / 2 Stages of Cooling max capacity.
• STAT: Short for Thermostat. 
• Key Specifications
  • System Compatibility: Universal application supporting up to 2 Heat / 2 Cool conventional setups or up to 3 Heat / 2 Cool heat pump systems.
  • Power Source: Hybrid configuration allowing 24V hardwired connection or dual AA battery power.
  • Display Size: Large, high-visibility 7 square inch screen featuring an upgraded blue backlight.
  • Physical Features: Glow-in-the-dark light activation button and easy-wire color-coded terminal blocks.
  Brand Details

  • Parent Company: Manufactured and distributed by Pro1 Thermostats (Pro1 IAQ).
  • Market Focus: Designed primarily for professional HVAC contractors and commercial property managers rather than retail retail consumers.
  • Product Line: Specializes in reliable, trade-grade climate control solutions ranging from simple manual stats to internet-connected wireless systems.

  Display & Interface Features

  • 7 Sq. Inch Screen: Generous display footprint with large, easy-to-read ambient temperature digits.
  • Blue Backlight: Enhanced visual contrast that stays lit for several seconds after button use.
  • Glow-in-the-Dark Button: The physical light button self-illuminates in the dark, allowing you to easily activate the backlighting at night.
  • Flush Screen Styling: Sleek, glossy outer design that modernizes standard non-programmable models

  System Control & Intelligence

  • Auto Changeover: Automatically switches between heating and cooling modes to maintain the desired temperature without user intervention.
  • Adjustable Setpoint Limits: Technicians can lock high and low temperature limits to prevent energy waste.
  • Independent Cycle Rate (Swing): Separate heating and cooling swing adjustments (from 0.2° to 2.0°) to fine-tune system cycles.
  • Room Temperature Calibration: Allows manual adjustment of the displayed temperature to match existing room thermometers.
  • Filter Change Reminder: Selectable prompt on the screen to remind users when it is time to swap HVAC filters. 

  Hardware & Safety Protections

  • 5-Minute Compressor Protection: Selectable delay feature that prevents short-cycling to protect the air conditioner or heat pump compressor.
  • Cooling Fan Delay: Keeps the indoor blower fan running for a short time after the AC shuts off to pull lingering cool air out of the ducts.
  • Multi-Speed Fan Options: Configurable for continuous Low, Medium, High, or Auto fan speeds—ideal for PTAC / hotel-style systems.
  • Universal Sub-Base: The modular wall bracket makes installing, leveling, or replacing the faceplate incredibly fast.
  • Color-Coded Blocks: Clearly labeled, color-matched terminal blocks for straightforward up-to-8-wire setup.