RESIDEO Low Voltage Thermostat: Heat and Cool, Auto and Manual, Auto-On-Circulate
The RESIDEO Low Voltage Thermostat (MPN TH1210U4001) is a round digital thermostat for heat and cool applications, operating on 20 to 30V AC. It features push-button control with system settings for…
SKU 3G-OTH-70457
Need installation or engineering help?
Ask a question
Product Description
The RESIDEO Low Voltage Thermostat (MPN TH1210U4001) is a round digital thermostat for heat and cool applications, operating on 20 to 30V AC. It features push-button control with system settings for Auto-Heat-Cool-Off, fan settings for Auto-On-Circulate, and automatic and manual changeover. The thermostat has a temperature control range of 32° to 120°F with a +/-1°F differential and terminal designation Y.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the RESIDEO TH1210U4001 thermostat used for?
The RESIDEO TH1210U4001 is a low voltage digital thermostat for heat and cool applications in residential or light commercial HVAC systems. It provides automatic and manual changeover, fan settings including Auto-On-Circulate, and push-button control for system settings like Auto-Heat-Cool-Off.
What are the specifications of the RESIDEO TH1210U4001 thermostat?
The RESIDEO TH1210U4001 operates on 20 to 30V AC with a temperature control range of 32° to 120°F and a +/-1°F differential. It has a round shape, terminal designation Y, and supports Auto-Heat-Cool-Off system settings with Auto-On-Circulate fan settings.
Where to buy the RESIDEO TH1210U4001 thermostat worldwide?
3G Electric supplies the RESIDEO TH1210U4001 thermostat to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this thermostat to your facility, ensuring compliance with international shipping requirements.
How to install the RESIDEO TH1210U4001 thermostat?
Install the RESIDEO TH1210U4001 by mounting it horizontally on a wall, connecting the Y terminal to your HVAC system's cooling contactor, and wiring the 20 to 30V AC power supply. Ensure the thermostat is level and away from drafts for accurate temperature sensing.
Used in
Common applications for RESIDEORESIDEO Products
3G Electric supplies RESIDEO digital thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





