PRO1 · Standalone

PRO1 T721 Non-Programmable Heat Pump Thermostat

The T721 controls a single-stage conventional system or a heat pump with up to two heating stages and one cooling stage.

PRO1 T721

PRO1 T721

Will this work with my system?

Match your equipment to these requirements before ordering.

Works with

  • Staging: 1 heat / 1 cool conventional; 2 heat / 1 cool heat pump

System requirements

  • Power: 2 AA alkaline batteries or 18–30 VAC, NEC Class II, 50/60 Hz
  • Electrical load limits: 1 A per terminal; 1.5 A maximum combined

Limitations & exclusions

  • Two-transformer systems are not supported by the installation application guide.

Check before you buy

  1. Match the full T721 model number and hardware revision to the manufacturer's equipment manual and accessory list.
  2. Compare the equipment terminals, control voltage and required operating sequence with the model-specific installation diagrams.
Manufacturer documentation (2)

Use these documents to compare your exact model and configuration.

Overview

The T721 controls a single-stage conventional system or a heat pump with up to two heating stages and one cooling stage. It uses local setpoint adjustment without a weekly schedule.

The 4-square-inch blue-backlit display shows room temperature, setpoint and operating indicators. The installation manual excludes two-transformer systems.

The thermostat can use two AA alkaline batteries or a suitable hardwired supply. Use the exact-model installation manual to match the thermostat configuration, equipment and wiring before installation.

Product details

Manufacturer
Pro1 iAQ
SKU
105416
Model / MPN
T721
Condition
New
Lifecycle
Current

Specifications

Stage modes
1 heat / 1 cool conventional; 2 heat / 1 cool heat pump
Scheduling modes
Non-programmable
Power sources
2 AA alkaline batteries or 18–30 VAC, NEC Class II, 50/60 Hz
Setpoint range
44 to 90 °F (7 to 32 °C)
Operating temperature
32 to 105 °F (0 to 41 °C)
Operating humidity
90% RH maximum, non-condensing
Backlit display
Blue backlight
Contact ratings
1 A per terminal; 1.5 A maximum combined
Setpoint limits
Adjustable heating maximum and cooling minimum; see installer settings
Dual transformer support
No, per installation application guide
Measurement channels
Temperature display range: 41 to 95 °F (5 to 35 °C)
Millivolt support
Yes, conventional systems, per installation application guide

Documents & downloads