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Thermostat Accessories

154 Results Found that Include 154 Products

Product availability based on selecting either shipping or pick up and a location. Dismiss
Results per page:  16 | 32 | 48
Temperature Sensor,1K Ohm
  • RANCO
  • Temperature Sensor, 1K Ohm Temperature 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

Remote Indoor Sensor,White,40 to 110F
Optional Knob,Marked 0-10,Use With 4TCZ1
Temperature Sensor,PVC Cable
  • JOHNSON CONTROLS
  • Temperature Sensor, PVC Cable Temperature 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

20 K Ohm Remote Temp Sensor, Wall Module
  • HONEYWELL
  • 20 K Ohm Remote Temp Sensor, Wall Module 20 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

Humidity Sensor, Wall Mount
  • JOHNSON CONTROLS
  • Humidity Sensor, Wall Mount Humidity Sensor, Wall Mount
  • Item # 12Y969
  • Mfr. Model # HE-67S3-0N0BT
  • Humidity Sensor, Wall, For Use With C450RCN-1C, Color Tan, Height (In.) 2, Width (In.) 1-1/2, Depth (In.)...More

Surface Mounting Bracket
Line Voltage Thermostat Knob for 6EDY9
Wall Mount Cover Plate
  • HONEYWELL
  • Wall Mount Cover Plate Wall 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 White Indoor 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, Black Outdoor 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

Adapter,Thermocouple
Temperature Sensor
  • JOHNSON CONTROLS
  • Temperature Sensor Temperature 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

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

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

10 K Ohm Remote Temp Sensor, Wall Module
  • HONEYWELL
  • 10 K Ohm Remote Temp Sensor, Wall Module 10 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
Plug,Thermocouple,J
  • VULCAN
  • Plug, Thermocouple, J Plug,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

Remote Sensor,Water Resistant
  • HONEYWELL
  • Remote Sensor, Water Resistant Remote 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

Wall Mount Humidity Sensor
  • CONTROL PRODUCTS
  • Wall Mount Humidity Sensor Wall 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

Calibration/Wrench Kit
Universal Cover Plate
  • HONEYWELL
  • Universal Cover Plate Universal 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

Outdoor sensor,w/Batteries
  • HONEYWELL
  • Outdoor sensor, w/Batteries Outdoor sensor,w/Batteries
  • Item # 3RCP2
  • Mfr. Model # C7089R1013
  • Outdoor Sensor, Replacement Sensor, For Use With Redlink Enabled Thermostats And Accessories, Senses Outdoor...More

Adapter,Thermocouple
Coverplate,Plastic
  • HONEYWELL
  • Coverplate, Plastic Coverplate,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,Use With T775 Series 2
  • HONEYWELL
  • Remote Sensor, Use With T775 Series 2 Remote 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

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

Plug,Thermocouple,K
Subbase,Thermostat
Plug,Thermocouple,K
  • VULCAN
  • Plug, Thermocouple, K Plug,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

Coverplate,Wall,White
Remote Sensor,Water Tight
  • HONEYWELL
  • Remote Sensor, Water Tight Remote 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

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