PRO1 IAQ Low Voltage Thermostat: Heat and Cool, Manual, B/G/O/RC/RH/W/Terminal Designations
The PRO1 IAQ Low Voltage Thermostat (MPN T501M) is a square analog thermostat for heat and cool applications, operating on 24V AC. It features a manual changeover type with system settings of Cool-Heat-Off, an…
SKU 3G-OTH-71075
Need installation or engineering help?
Ask a question
Product Description
The PRO1 IAQ Low Voltage Thermostat (MPN T501M) is a square analog thermostat for heat and cool applications, operating on 24V AC. It features a manual changeover type with system settings of Cool-Heat-Off, an exposed dial control, and fan settings of Auto-On-Circulate. The thermostat has a temperature control range of 50° to 90°F with a 1˚F temperature differential, and includes terminal designations Y, B/G/O/RC/RH/W.
Frequently Asked Questions
What is the PRO1 IAQ T501M thermostat used for?
The PRO1 IAQ T501M is a low voltage analog thermostat for heat and cool applications. It is used in residential or light commercial HVAC systems to control temperature via manual changeover between cooling, heating, and off settings, with a 24V AC power supply.
What are the specifications of the PRO1 IAQ T501M thermostat?
The PRO1 IAQ T501M operates on 24V AC with a temperature control range of 50° to 90°F and a 1˚F differential. It features manual changeover, system settings Cool-Heat-Off, fan settings Auto-On-Circulate, exposed dial control, and terminal designations Y, B/G/O/RC/RH/W. It is square-shaped and mounts vertically.
Where to buy the PRO1 IAQ T501M thermostat worldwide?
3G Electric supplies the PRO1 IAQ T501M thermostat worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this thermostat for your HVAC project.
How to install the PRO1 IAQ T501M thermostat?
To install the PRO1 IAQ T501M, first turn off power to the HVAC system. Mount the thermostat vertically on a wall, connect the 24V AC wires to the appropriate terminals (Y, B/G/O/RC/RH/W), and secure the faceplate. Restore power and test the Cool-Heat-Off settings. Always follow local electrical codes.
Used in
Common applications for PRO1 IAQPRO1 IAQ Products
3G Electric supplies PRO1 IAQ analog thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.



