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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
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

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

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

SuitePro Wall Plate Adapter,White
Calibration/Wrench Kit
Subbase,Thermostat
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

Temperature Sensor,2-1/2 In L
  • JOHNSON CONTROLS
  • Temperature Sensor, 2-1/2 In LTemperature Sensor,2-1/2 In L
  • Item # 36P611
  • Mfr. Model # TE-6000-100
  • Temperature Sensor, Resistance Tolerance +/-0.1 Percent, Color Gray, Length (In.) 2-1/2, Dia. (In.) 1/4, 1k,...More

Surface Mounting Bracket
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

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

Personal Comfort Station,w/Batteries
  • HONEYWELL
  • Personal Comfort Station, w/BatteriesPersonal Comfort Station,w/Batteries
  • Item # 3RCN8
  • Mfr. Model # REM5000R1001
  • Personal Comfort Station, Replacement Remote, For Use With Redlink Enabled Thermostats And Accessories,...More

Coverplate,Plastic
  • HONEYWELL
  • Coverplate, PlasticCoverplate,Plastic
  • Item # 4YE44
  • Mfr. Model # 50001137-001
  • Cover Plate, Color White, Material Plastic, Height 5 In, Width 6 7/8 In, For Use With Thermostats 4YE42, 4YE43...More

Remote Sensor,Water Tight
  • HONEYWELL
  • Remote Sensor, Water TightRemote Sensor,Water Tight
  • Item # 2GZP5
  • Mfr. Model # T775-SENS-WT
  • Remote Sensor, Water Tight, Switch Type SPDT, Control Range -40 to 270 F, Insertion Depth 2 In, Overall...More

Wireless Indoor Sensor
  • HONEYWELL
  • Wireless Indoor SensorWireless Indoor Sensor
  • Item # 12Z045
  • Mfr. Model # C7189R1004
  • Wireless Indoor Sensor, Redlink Enabled Wireless, For Use With RedLink Enabled Thermostats And Accessories,...More

Backplate,Plastic,White
  • ROBERTSHAW
  • Backplate, Plastic, WhiteBackplate,Plastic,White
  • Item # 1TKG3
  • Mfr. Model # 9010-1
  • Backplate, Plastic, For Use With Robertshaw 9400, 9500, 9550, 9600 Series Thermostats, Covers Unwanted Marks...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

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

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

Plug,Thermocouple,K
10 K Ohm Remote Temp Sensor, Wall Module
  • HONEYWELL
  • 10 K Ohm Remote Temp Sensor, Wall Module10 K Ohm Remote Temp Sensor, Wall Module
  • Item # 3RCP6
  • Mfr. Model # TR21-A
  • Remote Sensor, Wall Module, Replaces Model (6WY21) T7770A3002, 10K Ohm For Averaging Only, Color White,...More

Decorative Cover Plate,For 4EY30,4EY31
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

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

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

Coverplate,Wall,White
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

Humidity Sensor,Duct Mount
  • JOHNSON CONTROLS
  • Humidity Sensor, Duct MountHumidity Sensor,Duct Mount
  • Item # 12Y970
  • Mfr. Model # HE-67S3-0N00P
  • Humidity Sensor, Duct, For Use With C450RCN-1C, Color Tan, Height (In.) 2, Width (In.) 1-1/2, Depth (In.)...More

Temperature Dial,Black
CO2 Sensor,Indoor,White
  • JOHNSON CONTROLS
  • CO2 Sensor, Indoor, WhiteCO2 Sensor,Indoor,White
  • Item # 20RG60
  • Mfr. Model # CD-W00-00-1
  • CO2 Sensor, Indoor, For Use With BAS System, Color White, Height (In.) 4-23/32, Width (In.) 3-5/32, Depth...More

Wiring Module,Use With THX9000 Stats
  • HONEYWELL
  • Wiring Module, Use With THX9000 StatsWiring Module,Use With THX9000 Stats
  • Item # 6TNZ1
  • Mfr. Model # THP9045A1023
  • Wiring Module, Wireless, Color Gray, Height (In.) 4-1/4, Width (In.) 1-1/4, Length (In.) 2-3/4, Terminal...More

Water Temp Sensor
  • HONEYWELL
  • Water Temp SensorWater Temp Sensor
  • Item # 3TZ85
  • Mfr. Model # 198212CA
  • Replacement Water Temp Sensor, For Honeywell Electronic Remote Temperature Controller, Outdoor, Water Tight,...More

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