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
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

Plug,Thermocouple,K
  • VULCAN
  • Plug, Thermocouple, KPlug,Thermocouple,K
  • Item # 3HL36
  • Mfr. Model # N56/05013-K
  • Thermocouple Plug, Type K, Plug/Connector Female, Color Yellow, Quick Disconnect, Cromel Alumel, Plug and...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

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

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

Calibration/Wrench Kit
SuitePro Wall Plate Adapter,White
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

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

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 Dial,Infinite
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

Coverplate,Wall,White
Line Voltage Thermostat Knob for 6EDY9
Surface Mounting Bracket
Plug,Thermocouple,J
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

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

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

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,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

Plug,Thermocouple,J
  • VULCAN
  • Plug, Thermocouple, JPlug,Thermocouple,J
  • Item # 3HL35
  • Mfr. Model # N56/05013-J
  • Thermocouple Plug, Type J, Plug/Connector Female, Color Black, Quick Disconnect, Iron Constantan, Plug and...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

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

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,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,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

Wall Mounting Plate
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

Temperature Sensor,36 In
  • JOHNSON CONTROLS
  • Temperature Sensor, 36 InTemperature Sensor,36 In
  • Item # 36P610
  • Mfr. Model # TE-6000-1
  • Temperature Sensor, Resistance Tolerance +/-1.0 Percent, Color Gray, Length (In.) 36, Dia. (In.) 1/4, 1k,...More

Cover Plate,Arctic White
  • HONEYWELL
  • Cover Plate, Arctic WhiteCover Plate,Arctic White
  • Item # 3RCP4
  • Mfr. Model # 50028399-001
  • Cover Plate, Plastic, For Use With Prestige Thermostat Line, Used To Cover Previous Thermostats Foot Print,...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