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HONEYWELL HOME Wireless Thermostat Kit: Heat and Cool, Auto and Manual, 7 Day, Horizontal - Wireless Thermostats
HONEYWELL HOMEWireless Thermostats

HONEYWELL HOME Wireless Thermostat Kit: Heat and Cool, Auto and Manual, 7 Day, Horizontal

The HONEYWELL HOME Wireless Thermostat Kit (SKU 12Z042, MPN YTHX9421R5101WW/U) is a touch-screen wireless thermostat for heat and cool applications. It supports 3H/2C conventional and 4H/2C heat pump stages, with…

SKU 3G-OTH-70334

Brand
HONEYWELL HOME
Item
Wireless Thermostat Kit: Heat and Cool, Auto and Manual, 7 Day, Horizontal
Category
Wireless Thermostats
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Technical Specifications

HONEYWELL HOME
Manufacturer Part Number
YTHX9421R5101WW/U
Type
Auto and Manual, Horizontal, Rectangle
Day
7
Shape
Rectangle
Stages
3H/2C Conventional, 4H/2C Heat Pump
Application
Heat and Cool
Control Type
Touch Screen
Changeover Type
Automatic and Manual
Mounting Direction
Horizontal
Terminal Designations
A
Humidification Control
Yes
Programming Capability
7 Day
Temperature Control Range
40° to 99°F
View Full Spec Sheet

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

Product Description

The HONEYWELL HOME Wireless Thermostat Kit (SKU 12Z042, MPN YTHX9421R5101WW/U) is a touch-screen wireless thermostat for heat and cool applications. It supports 3H/2C conventional and 4H/2C heat pump stages, with automatic and manual changeover, 7-day programming, and a temperature control range of 40° to 99°F. This rectangle-shaped unit mounts horizontally and includes humidification control and terminal designation A.

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 HONEYWELL HOME Wireless Thermostat Kit used for?

The HONEYWELL HOME Wireless Thermostat Kit controls heating and cooling in residential or light commercial HVAC systems. It supports 3H/2C conventional and 4H/2C heat pump stages, with automatic or manual changeover, 7-day programming, and humidification control for comfort management.

What are the specifications of the HONEYWELL HOME Wireless Thermostat Kit?

This thermostat supports 3H/2C conventional and 4H/2C heat pump stages, with a temperature control range of 40° to 99°F. It features a touch screen, automatic and manual changeover, horizontal mounting, 7-day programming, terminal designation A, and humidification control. The shape is rectangle.

Where to buy the HONEYWELL HOME Wireless Thermostat Kit worldwide?

3G Electric supplies the HONEYWELL HOME Wireless Thermostat Kit (MPN YTHX9421R5101WW/U) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the HONEYWELL HOME Wireless Thermostat Kit?

Installation requires mounting the thermostat horizontally on a wall, connecting wires per terminal designation A, and pairing it wirelessly with the receiver. Follow the manufacturer's manual for wiring and setup. For best results, ensure the system is powered off during installation and test operation after completion.

Used in

Common applications for HONEYWELL HOME
Residential HVAC — Honeywell Home TH115-A-120S/U thermostat for 7-day programmable temperature control in homes.
Light commercial buildings — Honeywell Home TL8230A1003 line-voltage thermostat for electric heating systems in offices.
Hydronic heating systems — Honeywell Home L4006E1117 immersion controller for high-limit temperature regulation in boilers.
Indoor air quality monitoring — Honeywell Home C7263A1008 air quality sensor for gas analysis in commercial facilities.
Furnace control — Honeywell Home ST9120U1011 timer controller for circulating fan timing in integrated furnace systems.
HVAC switching — Honeywell Home RA889A1001 switching relay for 24V AC control of zone valves or dampers.

HONEYWELL HOME Products

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

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