We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

RESIDEO Low Voltage Non-Programmable Digital Thermostat: Heat Only, Auto and Manual - Standard Thermostats
RESIDEOStandard Thermostats

RESIDEO Low Voltage Non-Programmable Digital Thermostat: Heat Only, Auto and Manual

The RESIDEO Low Voltage Non-Programmable Digital Thermostat is a heat-only standard thermostat with a rectangular shape and push-button control. It supports up to 2H/1C heat pumps with auxiliary heat (default) or up…

SKU 3G-OTH-70938

Also listed as: TH1210U4001U · TH1210U4001 U · TH1210U4001-U

Brand
RESIDEO
Item
Low Voltage Non-Programmable Digital Thermostat: Heat Only, Auto and Manual
Category
Standard Thermostats
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RESIDEO
Manufacturer Part Number
TH1210U4001/U
Type
Auto and Manual, Horzontal
Shape
Rectangle
Stages
Up to 2H/1C Heat Pumps with Aux Heat (Default)
Application
Heat Only
Control Type
Push Button
Changeover Type
Automatic and Manual
Mounting Direction
Horzontal
Terminal Designations
L/A
Humidification Control
No
Programming Capability
Not Programmable
Temperature Control Range
50° to 99°F (Cool)

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

RESIDEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RESIDEO Low Voltage Non-Programmable Digital Thermostat is a heat-only standard thermostat with a rectangular shape and push-button control. It supports up to 2H/1C heat pumps with auxiliary heat (default) or up to 1H/1C conventional systems, with automatic and manual changeover. The thermostat has a temperature control range of 50° to 99°F (Cool) and terminal designations L/A.

Frequently Asked Questions

What is the RESIDEO TH1210U4001/U thermostat used for?

The RESIDEO TH1210U4001/U is a low-voltage non-programmable digital thermostat designed for heat-only applications. It supports up to 2H/1C heat pumps with auxiliary heat or 1H/1C conventional systems, making it suitable for residential or light commercial heating control.

What are the specifications of the RESIDEO TH1210U4001/U thermostat?

The RESIDEO TH1210U4001/U is a rectangular, push-button thermostat with automatic and manual changeover. It has a temperature control range of 50° to 99°F (Cool), terminal designations L/A, and supports up to 2H/1C heat pumps with aux heat or 1H/1C conventional systems. It is non-programmable and mounts horizontally.

Where to buy the RESIDEO TH1210U4001/U thermostat worldwide?

3G Electric supplies the RESIDEO TH1210U4001/U thermostat worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the RESIDEO TH1210U4001/U thermostat?

Install the RESIDEO TH1210U4001/U by mounting it horizontally on a wall, connecting wires to the L/A terminals per your system type (heat pump or conventional). Ensure power is off before wiring. Follow standard low-voltage thermostat practices and consult a professional if unsure.

Used in

Common applications for RESIDEO
Residential HVAC — Resideo TH1110U4000 thermostat for basic heat/cool control in single-family homes
Light commercial buildings — Resideo TH2210U4005 programmable thermostat for zone-based temperature scheduling
Heat pump systems — Resideo TH1320U4002/U thermostat managing up to 3 heat/2 cool stages
HVAC relay switching — Resideo R8222N1011 switching relay for boiler or zone valve activation
Damper or valve actuation — Resideo T3019DAW0NA actuator for modulating air or water flow in HVAC ducts

RESIDEO Products

3G Electric supplies RESIDEO standard thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
RESIDEO Low Voltage Thermostat: Heat and Cool, Auto and Manual, Auto-On-Circulate, Horizontal (MPN TH1320U4002)
RESIDEO
RESIDEO Low Voltage Thermostat: Heat and Cool, Auto and Manual, Auto-On-Circulate, Horizontal (MPN TH1320U4002)
RESIDEO Low Voltage Thermostat: Heat and Cool, Auto and Manual, Auto-On-Circulate, Auto-Circulate-On (MPN TH1210U4001)
RESIDEO
RESIDEO Low Voltage Thermostat: Heat and Cool, Auto and Manual, Auto-On-Circulate, Auto-Circulate-On (MPN TH1210U4001)
RESIDEO Thermostat: Heat Only, Heat, 40°F to 85°F, Push Button, 120V AC/240V AC, SPST, Open on Rise (MPN TH401)
RESIDEO
RESIDEO Thermostat: Heat Only, Heat, 40°F to 85°F, Push Button, 120V AC/240V AC, SPST, Open on Rise (MPN TH401)
Rectangular digital thermostat for heat and cool applications. Operates on 24V AC with automatic and manual changeover. Features softkey controls, fan settings (Auto-On-Circulate), and system settings (Auto-Heat-Cool-Off). Temperature differential +/-1°F, cool control range 50° to 99°F. Terminal designations include Y
RESIDEO
Rectangular digital thermostat for heat and cool applications. Operates on 24V AC with automatic and manual changeover. Features softkey controls, fan settings (Auto-On-Circulate), and system settings (Auto-Heat-Cool-Off). Temperature differential +/-1°F, cool control range 50° to 99°F. Terminal designations include Y

More from RESIDEO

View all RESIDEO parts
This RESIDEO thermostat provides automatic and manual changeover for heating and cooling applications. It features soft-key controls, a 1-week programming capability, and a heat temperature control range of 32° to 90°F. Designed for horizontal mounting, it includes terminal designations Y2 and supports A/C, G, K, R, Rc, S, U, W, W2 connections
RESIDEO
This RESIDEO thermostat provides automatic and manual changeover for heating and cooling applications. It features soft-key controls, a 1-week programming capability, and a heat temperature control range of 32° to 90°F. Designed for horizontal mounting, it includes terminal designations Y2 and supports A/C, G, K, R, Rc, S, U, W, W2 connections
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2110WF4008/U)
RESIDEO
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2110WF4008/U)
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2210U4005/U)
RESIDEO
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2210U4005/U)
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2110U4004/U)
RESIDEO
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2110U4004/U)
RESIDEO Low Voltage Non-Programmable Digital Thermostat: Heat and Cool, Auto and Manual, Horzontal (MPN TH1320U4002/U)
RESIDEO
RESIDEO Low Voltage Non-Programmable Digital Thermostat: Heat and Cool, Auto and Manual, Horzontal (MPN TH1320U4002/U)
RESIDEO Low Voltage Non-Programmable Digital Thermostat: Heat and Cool, Auto and Manual, Horizontal (MPN TH1110U4000/U)
RESIDEO
RESIDEO Low Voltage Non-Programmable Digital Thermostat: Heat and Cool, Auto and Manual, Horizontal (MPN TH1110U4000/U)
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2320WF4010/U)
RESIDEO
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2320WF4010/U)
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2320U4006/U)
RESIDEO
RESIDEO Low Voltage Programmable Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7-Day (MPN TH2320U4006/U)