We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

HONEYWELL HOME THX9421R5021WW/U Wireless Thermostat - Wireless Thermostats
HONEYWELL HOMEWireless Thermostats

HONEYWELL HOME THX9421R5021WW/U Wireless Thermostat

The HONEYWELL HOME Wireless Thermostat (MPN THX9421R5021WW/U) is a touch-screen, rectangle-shaped thermostat for heat and cool applications. It supports 3H/2C Conventional and 4H/2C Heat Pump stages, with automatic…

SKU 3G-OTH-70340

Also listed as: THX9421R5021WWU · THX9421R5021WW U · THX9421R5021WW-U

Brand
HONEYWELL HOME
Item
THX9421R5021WW/U Wireless Thermostat
Category
Wireless Thermostats
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HONEYWELL HOME
Manufacturer Part Number
THX9421R5021WW/U
Type
Auto, C/R, 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
Mounting Direction
Horizontal
Terminal Designations
R
Humidification Control
Yes
Programming Capability
7 Day
Temperature Control Range
40° to 99°F

Technical Documents

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

Product Description

The HONEYWELL HOME Wireless Thermostat (MPN THX9421R5021WW/U) is a touch-screen, rectangle-shaped thermostat for heat and cool applications. It supports 3H/2C Conventional and 4H/2C Heat Pump stages, with automatic changeover and 7-day programming capability. The thermostat has a temperature control range of 40° to 99°F, terminal designation R, and includes humidification control.

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 THX9421R5021WW/U used for?

This wireless thermostat controls heating and cooling in residential or light commercial HVAC systems. It supports 3H/2C conventional and 4H/2C heat pump stages, with automatic changeover and 7-day programming for energy savings.

What are the specifications of the HONEYWELL HOME THX9421R5021WW/U thermostat?

Key specs include a touch screen, rectangle shape, horizontal mounting, temperature range 40° to 99°F, terminal R, automatic changeover, and humidification control. It supports 3H/2C conventional or 4H/2C heat pump stages with 7-day programming.

Where to buy the HONEYWELL HOME THX9421R5021WW/U thermostat worldwide?

3G Electric supplies this HONEYWELL HOME 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 HONEYWELL HOME wireless thermostat THX9421R5021WW/U?

Installation requires mounting the thermostat horizontally on a wall, connecting the R terminal wire, and configuring the system type (conventional or heat pump) and 7-day schedule. Always follow the manufacturer's manual and turn off power before wiring.

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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Rectangular touch-screen thermostat for heat and cool applications. Supports 4H/2C heat pump stages with automatic or manual changeover. Fully customizable in-app programming. Temperature control range 40° to 99°F with humidification control. Terminal designation R
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Wireless thermostat for heat and cool applications with automatic changeover. Supports 2H/2C conventional or 3H/2C heat pump stages. Features a touch screen, 7-day programming, and humidification control. Temperature control range 40° to 99°F. Suitable for residential and light commercial HVAC systems
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Wireless thermostat for heat and cool applications with automatic changeover. Supports 2H/2C conventional or 3H/2C heat pump stages. Features a touch screen, 7-day programming, and humidification control. Temperature control range 40° to 99°F. Suitable for residential and light commercial HVAC systems
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