Honeywell YTHX9421R5085WW | 278Y88 | Low Voltage Thermostat, Heat Pump with Aux, Heat and Cool, Auto and Manual, 7 Day | Raptor Supplies United Kingdom
We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
Sign In

Flat Shipping at £19.99 + VAT

HONEYWELL YTHX9421R5085WW Low Voltage Thermostat, Heat Pump with Aux, Heat and Cool, Auto and Manual, 7 Day, 4 | CR4DVM 278Y88

HONEYWELL YTHX9421R5085WW Low Voltage Thermostat, Heat Pump with Aux, Heat and Cool, Auto and Manual, 7 Day

Item: CR4DVM Model: YTHX9421R5085WWCross Ref: 278Y88
In Stock

Get it by Tuesday, Dec 31

£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates

£748.97 /unit (Inc. VAT)
Trade Prices Available
Add To Cart
Request a Quote

Payment Methods

Delivery Partners

How NET30 Works

Step 1 Add the items into your cart or submit a Purchase order

Step 2 Checkout, select NET30 payment (provide company registration and VAT number)

Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days

Step 4 Make payment via BACS to our factoring partner,

Product Specifications:

ApplicationHeat And Cool
Battery BackupNo
Battery IncludedYes
Changeover TypeAutomatic And Manual
Compatible System TypeHeat Pump With Aux
Contact Rating18-30V AC
Control TypeTouch Screen
Dehumidification ControlYes
Differential Temp.1°F
Differential TypeAdjustable
Digit SizeStandard
Display TypeTri Lingual
Dual Transformer CompatibleNo
Electrical Connection TypeScrew Terminals
Fan SettingsAuto Circulate On
Filter Change ReminderYes
Frequency50/60 Hz
Housing ColorWhite
Humidification ControlYes
IncludesEquipment Interface Module And 2 Duct Sensor, Portable Comfort Control, Truesteam Humidifier With Wireless Adapter And Truezone Zoning Panel With Wireless Adapter, Wireless Entry/Exit
Includes Positive OffYes
Key FeaturesMultiple Staging Options To Provide Comfort Or Energy Savings, Patented Interview Based Programming And Installer Setup, Smart Schedule
Key Pad LockoutYes
Low-battery IndicatorYes
Max. Control Temp.99°F
Max. Operating Temp.120°F
Maximum Operating Humidity90%
Millivolt CompatibleNo
Min. Control Temp.40°F
Min. Operating Temp.32°F
Minimum Operating Humidity5%
Mounting DirectionHorizontal
Mounting LocationWall
Number Of Cooling Stages (conventional System)2
Number Of Cooling Stages (heat Pump System)2
Number Of Heating Stages (conventional System)3
Number Of Heating Stages (heat Pump System)4
Number Of Zones1
Occupancy SensorCompatible With Occupancy Sensor
Overall Depth7/8"
Overall Height3 1/2"
Overall Width4 1/2"
Programming Capability7 Day
Sensor LocationRemote
ShapeRectangle
System SettingsAuto-Cool-Emergency Heat-Heat-Off
Temp. Sensitivity-1°F to +1°F
Temperature LimitingYes
Temperature ReadoutYes
Temperature ScaleCelsius, Fahrenheit
Temperature Settings Per Day4
Temporary Program OverrideYes
Temporary Temperature HoldYes
Terminal DesignationsA, A-L/A, B, C, D, G, R, Rc, Rh, S1, S2, S3, S4, U1, U2, U3, W-O/B, W2-Aux1, W3-Aux2, Y, Y2
Thermostat TypeLow Voltage
Voltage18-30V AC
WirelessNo

Shipping Info:

Ship weight (kg) 0.95
Ship height (cm)8.89
Ship length (cm)2.22
Ship width (cm)11.43
Country of OriginMX

Product Variants

ProductModelItemPrice
HONEYWELL TB7100A1000/U Fan Coil Thermostat, Fan Coil Unit | CR4DVC 278Y50
TB7100A1000/UFan Coil Thermostat£316.37
HONEYWELL TH6220D1028 Low Voltage Thermostat, Heat and Cool, Auto, 2 Heating Stages Conventional System | CR4DVK 6WY13
TH6220D1028Low Voltage Thermostat£239.77
HONEYWELL TH2210DV1006/U Low Voltage Thermostat, Heat Pump with Aux, Heat and Cool, Manual, 5-2, Vertical | CR4DVN 278Y87
TH2210DV1006/ULow Voltage Thermostat£136.76
HONEYWELL TH6110D1021 Low Voltage Thermostat, Heat Pump without Aux, Heat and Cool, Auto, 5-1-1/5-2, Clear | CR4DVP 6WY11
TH6110D1021Low Voltage Thermostat£191.64
HONEYWELL TH6100AF2004/U Low Voltage Thermostat, Hydronic Systems | CR4DVQ 443W18
TH6100AF2004/ULow Voltage Thermostat£183.41
HONEYWELL TC500A-N Smart Thermostat, Heat Or Cool, Auto/Manual, 3 Heating Stages - Conventional System | CR4DVT 804HT2
TC500A-NThermostat£651.72
HONEYWELL TH6320R1004 Wireless Thermostat, Heat Pump with Aux | CR4DVX 279A62
TH6320R1004Wireless Thermostat£405.14

Explore Products

Contact us

Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.

HONEYWELL YTHX9421R5085WW Low Voltage Thermostat, Heat Pump with Aux, Heat and Cool, Auto and Manual, 7 Day
£748.97 /unit (Inc. VAT)