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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

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

Coverplate,Wall,White
Surface Mounting Bracket
Adapter,Thermocouple
RedLink Internet Gateway
  • HONEYWELL
  • RedLink Internet Gateway RedLink Internet Gateway
  • Item # 12Z044
  • Mfr. Model # THM6000R1002
  • RedLink Internet Gateway, Redlink Enabled Wireless, For Use With RedLink Enabled Thermostats And Accessories,...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

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

Humidity Sensor,Duct Mount
  • JOHNSON CONTROLS
  • Humidity Sensor, Duct Mount Humidity 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

Line Voltage Thermostat Knob for 6EDY9
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

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

Plug,Thermocouple,J
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

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

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

Plug,Thermocouple,K
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

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

Thermostat Knob
  • VULCAN
  • Thermostat Knob Thermostat 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

Adapter,Thermocouple
  • VULCAN
  • Adapter, Thermocouple Adapter,Thermocouple
  • Item # 3HL29
  • Mfr. Model # N56/05000-5
  • Bayonet Mount Thermocouple Adapter, Material Nickel Plated Steel, Thread NPT 1/8-27 Inch, Diameter 7/16 Inch,...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

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,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

SuitePro Wall Plate Adapter,White
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

Calibration/Wrench Kit
Decorative Cover Plate,For 4EY30,4EY31
Wall Mounting Plate
Line Voltage Thermostat Housing
Temperature Sensor
  • JOHNSON CONTROLS
  • Temperature Sensor Temperature Sensor
  • Item # 36P561
  • Mfr. Model # A99BC-300C
  • Temperature Sensor, High Temperature Silicon Cable, For Use With System 350, System 450, Color Gray, Height...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