Skip Content

Filter Results By

Item
Brand
Price
Shop By

Thermostat Accessories

137 Results Found that Include 137 Products

Product availability based on selecting either shipping or pick up and a location. Dismiss
Results per page: 16 | 32 | 48
Surface Mounting Bracket
Temperature Sensor,1K Ohm
  • RANCO
  • Temperature Sensor, 1K OhmTemperature Sensor,1K Ohm
  • Item # 44C531
  • Mfr. Model # 1309007-044
  • Temperature Sensor, For Use With Ranco ETC Series Controllers, 22 Gauge Cable, Color Gray, Length (In.) 96,...More

Wall Mount Cover Plate
  • HONEYWELL
  • Wall Mount Cover PlateWall Mount Cover Plate
  • Item # 6WY15
  • Mfr. Model # 32003796-001
  • Wall Mount Cover Plate, White, Plastic Material, Height 5 1/2 In, Width 7 9/10 In, For Use With 4NE58, 4NE59,...More

Thermostat Knob
  • VULCAN
  • Thermostat KnobThermostat Knob
  • Item # 3HL23
  • Mfr. Model # N15/4000-14
  • Thermostat Knob, Temperature Range 60 to 250 Degrees Fahrenheit, Fits Stock Number 3HL19, Fits Vulcan Model...More

20 K Ohm Remote Temp Sensor, Wall Module
  • HONEYWELL
  • 20 K Ohm Remote Temp Sensor, Wall Module20 K Ohm Remote Temp Sensor, Wall Module
  • Item # 3RCP5
  • Mfr. Model # TR21
  • Remote Sensor, Wall Module, Replaces Model (6WY20) T7770A1006, 20 K Ohm NTC Non-Linear Temp, Color White,...More

Remote Sensor,Use With T775 Series 2
  • HONEYWELL
  • Remote Sensor, Use With T775 Series 2Remote Sensor,Use With T775 Series 2
  • Item # 3CHJ9
  • Mfr. Model # 50021579-001
  • Remote Sensor, Standard, For Use With T775 Series 2, Control Range -40 to 158 F, Temperature Sensitivity (+ -...More

Indoor Sensor, Cover Color White
  • HONEYWELL
  • Indoor Sensor, Cover Color WhiteIndoor Sensor, Cover Color White
  • Item # 6WY16
  • Mfr. Model # C7189U1005
  • Indoor Sensor, White, Operating Temp Range 45 to 88 F, 10K Nominal Sensor Ohms @ 75F, Plastic Material, 1 1/2...More

Outdoor Sensor,Black
  • HONEYWELL
  • Outdoor Sensor, BlackOutdoor Sensor,Black
  • Item # 6WY17
  • Mfr. Model # C7089U1006
  • Outdoor Sensor, Black, Operating Temp Range -40 to 120 F, 10K Nominal Sensor Ohms @ 75F, Plastic Material,...More

Wall Mount Humidity Sensor
  • CONTROL PRODUCTS
  • Wall Mount Humidity SensorWall Mount Humidity Sensor
  • Item # 6CJN6
  • Mfr. Model # HS-50-S
  • Humidity Sensor, Indoor Wall Mounted, For Use With HC-110S-24, Color White, Height (In.) 3-1/8, Width (In.)...More

Sensor,Remote
  • EMERSON
  • Sensor, RemoteSensor,Remote
  • Item # 3MY18
  • Mfr. Model # F145-1328
  • Remote Sensor, Indoor, For Use With Any Wired White-Rodgers Thermostat with Remote Sensing Capability,...More

Temperature Sensor
  • JOHNSON CONTROLS
  • Temperature SensorTemperature Sensor
  • Item # 12Y968
  • Mfr. Model # A99BB-200C
  • Temperature Sensor, For Use With C450RCN-1C, Color Gray, Length (In.) 1, Dia. (In.) 1/4, Operating Temp....More

Temperature Sensor
  • JOHNSON CONTROLS
  • Temperature SensorTemperature Sensor
  • Item # 36P561
  • Mfr. Model # A99BC-300C
  • Temperature Sensor, High Temperature Silicon Cable, For Use With System 350, System 450, Color Gray, Height...More

Universal Cover Plate
  • HONEYWELL
  • Universal Cover PlateUniversal Cover Plate
  • Item # 6WY14
  • Mfr. Model # 50002883-001
  • Universal Cover Plate, White, Plastic Material, Height 6 In, Width 8 5/16 In, For Use With 6WU98, 6WU99,...More

Calibration/Wrench Kit
Plug,Thermocouple,K
Remote Sensor,Water Resistant
  • HONEYWELL
  • Remote Sensor, Water ResistantRemote Sensor,Water Resistant
  • Item # 2GZP4
  • Mfr. Model # T775-SENS-WR
  • Remote Sensor, Water Resistant, Switch Type SPDT, Control Range -40 to 270 F, Insertion Depth 2 In, Overall...More

RedLink Internet Gateway
  • HONEYWELL
  • RedLink Internet GatewayRedLink Internet Gateway
  • Item # 12Z044
  • Mfr. Model # THM6000R1002
  • RedLink Internet Gateway, Redlink Enabled Wireless, For Use With RedLink Enabled Thermostats And Accessories,...More

CO2 Sensor,Indoor,White
  • JOHNSON CONTROLS
  • CO2 Sensor, Indoor, WhiteCO2 Sensor,Indoor,White
  • Item # 20RG59
  • Mfr. Model # CD-P00-00-0
  • CO2 Sensor, Indoor, For Use With BAS System, Color White, Height (In.) 3-5/32, Width (In.) 3-3/16, Length...More

Plug,Thermocouple,J
Remote Indoor Sensor,White,40 to 110F
  • ROBERTSHAW
  • Remote Indoor Sensor, White, 40 to 110FRemote Indoor Sensor,White,40 to 110F
  • Item # 1TKJ2
  • Mfr. Model # 9020i
  • Remote Sensor, Indoor, For Use With Robertshaw i2 Series thermostat, Max Lead Length 330 Ft, Color White,...More

Remote Sensor,Indoor
  • ROBERTSHAW
  • Remote Sensor, IndoorRemote Sensor,Indoor
  • Item # 6FWJ3
  • Mfr. Model # 10-528
  • Remote Sensor, Indoor, For Use With 1TKG5, 1TKG7 1TKG8, 1TKG9, Color White, Height (In.) 2.5, Width (In.)...More

Adapter,Thermocouple
Temperature Sensor,PVC Cable
  • JOHNSON CONTROLS
  • Temperature Sensor, PVC CableTemperature Sensor,PVC Cable
  • Item # 36P557
  • Mfr. Model # A99BB-25C
  • Temperature Sensor, PVC Cable, For Use With System 350, System 450, Color Gray, Height (In.) 3, Length (In.)...More

Adapter,Thermocouple
SuitePro Wall Plate Adapter,White
Wallplate,White,6-3/4inWx4-1/2H
  • EMERSON
  • Wallplate, White, 6-3/4inWx4-1/2HWallplate,White,6-3/4inWx4-1/2H
  • Item # 38GN47
  • Mfr. Model # F61-2663
  • Wallplate, Wall Mount, For Use With Sensi Wi-Fi Thermostat, Cover Most Paint or Wallpaper Issues Left From...More

Thermostat Housing
Interface Module,2 Duct Sensors
  • HONEYWELL
  • Interface Module, 2 Duct SensorsInterface Module,2 Duct Sensors
  • Item # 12Z040
  • Mfr. Model # YTHM5421R1010/U
  • Equipment Interface Module, Redlink Enabled Wireless, For Use With RedLink Enabled Thermostats And...More

Thermostat Wall Plate,White
Occupancy Sensor,Motion Sensor
  • PECO
  • Occupancy Sensor, Motion SensorOccupancy Sensor,Motion Sensor
  • Item # 2NCC2
  • Mfr. Model # SB200-001
  • Occupancy Sensor, Motion Sensor, For Use With 2NCA6, 2NCA7, 6FFW5, 6FFW8, -, Color White, Height (In.) 4-3/8,...More

Temperature Stage Module
  • JOHNSON CONTROLS
  • Temperature Stage ModuleTemperature Stage Module
  • Item # 36P592
  • Mfr. Model # S350AA-1C
  • Temperature Stage Module, For Use With System 350, Color Blue, Height (In.) 5, Width (In.) 3, Depth (In.) 3,...More

Electric Heat Interface Module,Red Link
Results per page: 16 | 32 | 48

Check out HVAC thermostat accessories at Grainger to complete or enhance your climate control system or replace worn out parts. You’ll find a variety of accessories such as indoor sensors, remote sensors, universal cover plates, calibration wrench kits, surface mounting brackets, thermocouple plugs, thermocouple adapters and much more. Make the most of your thermostat with accessories from Grainger!

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More