YTH9421C1010 | Honeywell VisionPRO IAQ Total Home Comfort System Thermostat
YTH9421C1010 | Honeywell VisionPRO IAQ Total Home Comfort System Thermostat
YTH9421C1010 | Honeywell VisionPRO IAQ Total Home Comfort System Thermostat
    YTH9421C1010 | Honeywell VisionPRO IAQ Total Home Comfort System Thermostat
YTH9421C1010 | Honeywell VisionPRO IAQ Total Home Comfort System Thermostat

YTH9421C1010 | Honeywell VisionPRO IAQ Total Home Comfort System Thermostat

Part #: YTH9421C1010 Manufactured by: Honeywell
Regular price
$708.00
Sale price
$708.00
Regular price
1 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The YTH9421C1010 is a touchscreen thermostat supporting multi-stage dual fuel, heat pump, and conventional HVAC systems wi...  Read more
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warranty
IQElectro 2-Year Warranty
Warranty for Product #: YTH9421C1010
IQElectro offers a free 2-year warranty on all products. You can trust that every purchase is a reliable investment in the future of your company. Warranty Terms
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IQElectro is Not an authorized distributor for Honeywell
Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: YTH9421C1010

Description / Specifications

Description 

The YTH9421C1010 is an advanced total home comfort thermostat from Honeywell's VisionPRO IAQ series. Designed for flexible HVAC system control, it offers multi-stage heating and cooling support, remote sensing, and a user-friendly touchscreen interface.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Honeywell
Category
Controls & Indicators
Part Number YTH9421C1010
Subcategory Thermostat
Display Touchscreen
System Compatibility Dual fuel, heat pump, conventional
Stages (Dual Fuel HP/Gas) 2 Heat / 2 Cool
Stages (Heat Pump) 4 Heat / 2 Cool
Stages (Conventional) 3 Heat / 2 Cool
Programming 7-day
Fan Control On / Auto / Circulate
Programmable Fan Yes
Millivolt Compatibility No
Terminal Connections 1, 2, 3, C, R, Rc, Rh, W1-O/B, W2-Aux, W3-Aux2, Y, Y2, G, L, Out1, Out2, In1, In2, Dats1, Dats2, Hum1, Hum2, Dhm1, Dhm2, Vnt1, Vnt2
System Switch Positions Cool / Auto / Heat / EM Heat / Off
Dimensions (W x H x D) 6 x 4-9/16 x 1-1/4 in.
Weight 2.25 lbs

  

 

Information About YTH9421C1010

The YTH9421C1010 is a professional-grade thermostat designed to manage a wide range of HVAC configurations, including dual fuel systems, heat pumps, and conventional heating/cooling. It supports up to 4 stages of heat and 2 stages of cool for heat pumps and 3H/2C for conventional systems. Featuring a large touchscreen display, the thermostat provides intuitive access to settings, schedules, and diagnostics. It includes both indoor and outdoor remote sensors (C7189U1005 and C7089U1006), allowing the system to respond more accurately to real-world conditions. With its 7-day programming, programmable fan, and broad terminal compatibility, this model is ideal for homes requiring precise, customizable comfort control.

Key Features:

  • Comprehensive HVAC Support: Manages up to 4 heat/2 cool stages for heat pumps, 3H/2C for conventional systems, and 2/2 for dual fuel setups, making it compatible with complex residential installations.
  • Touchscreen User Interface: Provides a clear, responsive interface for temperature control, scheduling, and system configuration, improving ease of use for homeowners and technicians.
  • Remote Sensors Included: Comes with an outdoor sensor (C7089U1006) and supports an optional indoor sensor (C7189U1005), enhancing system responsiveness to temperature variations.
  • Dual Fuel Ready: Capable of integrating heat pump and gas systems intelligently without additional relays or controls, maximizing energy efficiency and comfort.
  • Flexible Terminal Connections: Supports a wide array of inputs and outputs including humidification, dehumidification, and ventilation controls, with terminals like W1-O/B, W2-Aux, Hum1/2, Dhm1/2, and Vnt1/2.

The YTH9421C1010 combines high-end control features with system versatility, making it suitable for modern homes with advanced comfort requirements. Its integrated touchscreen, sensor capabilities, and staging flexibility provide a truly tailored climate experience.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The YTH9421C1010 is an advanced total home comfort thermostat from Honeywell's VisionPRO IAQ series. Designed for flexible HVAC system control, it offers multi-stage heating and cooling support, remote sensing, and a user-friendly touchscreen interface.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Honeywell
Category
Controls & Indicators
Part Number YTH9421C1010
Subcategory Thermostat
Display Touchscreen
System Compatibility Dual fuel, heat pump, conventional
Stages (Dual Fuel HP/Gas) 2 Heat / 2 Cool
Stages (Heat Pump) 4 Heat / 2 Cool
Stages (Conventional) 3 Heat / 2 Cool
Programming 7-day
Fan Control On / Auto / Circulate
Programmable Fan Yes
Millivolt Compatibility No
Terminal Connections 1, 2, 3, C, R, Rc, Rh, W1-O/B, W2-Aux, W3-Aux2, Y, Y2, G, L, Out1, Out2, In1, In2, Dats1, Dats2, Hum1, Hum2, Dhm1, Dhm2, Vnt1, Vnt2
System Switch Positions Cool / Auto / Heat / EM Heat / Off
Dimensions (W x H x D) 6 x 4-9/16 x 1-1/4 in.
Weight 2.25 lbs

  

 

Information About YTH9421C1010

The YTH9421C1010 is a professional-grade thermostat designed to manage a wide range of HVAC configurations, including dual fuel systems, heat pumps, and conventional heating/cooling. It supports up to 4 stages of heat and 2 stages of cool for heat pumps and 3H/2C for conventional systems. Featuring a large touchscreen display, the thermostat provides intuitive access to settings, schedules, and diagnostics. It includes both indoor and outdoor remote sensors (C7189U1005 and C7089U1006), allowing the system to respond more accurately to real-world conditions. With its 7-day programming, programmable fan, and broad terminal compatibility, this model is ideal for homes requiring precise, customizable comfort control.

Key Features:

  • Comprehensive HVAC Support: Manages up to 4 heat/2 cool stages for heat pumps, 3H/2C for conventional systems, and 2/2 for dual fuel setups, making it compatible with complex residential installations.
  • Touchscreen User Interface: Provides a clear, responsive interface for temperature control, scheduling, and system configuration, improving ease of use for homeowners and technicians.
  • Remote Sensors Included: Comes with an outdoor sensor (C7089U1006) and supports an optional indoor sensor (C7189U1005), enhancing system responsiveness to temperature variations.
  • Dual Fuel Ready: Capable of integrating heat pump and gas systems intelligently without additional relays or controls, maximizing energy efficiency and comfort.
  • Flexible Terminal Connections: Supports a wide array of inputs and outputs including humidification, dehumidification, and ventilation controls, with terminals like W1-O/B, W2-Aux, Hum1/2, Dhm1/2, and Vnt1/2.

The YTH9421C1010 combines high-end control features with system versatility, making it suitable for modern homes with advanced comfort requirements. Its integrated touchscreen, sensor capabilities, and staging flexibility provide a truly tailored climate experience.

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