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Thermostat Accessories

138 Results Found that Include 138 Products

Results per page: 16 | 32 | 48
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

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

Adapter,Thermocouple
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,PTC
  • ELIWELL
  • Temperature Sensor, PTCTemperature Sensor,PTC
  • Item # 6JZY4
  • Mfr. Model # SN7S0A1500
  • Temperature Sensor, PTC, Air Sensing, Color Gray, Length (In.) 54, Operating Temp. Range (F) -65 to 300,...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

Adapter,Thermocouple
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

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

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

Temperature Sensor Well Mounting Kit
Temperature Sensor,36 In
  • JOHNSON CONTROLS
  • Temperature Sensor, 36 InTemperature Sensor,36 In
  • Item # 36P617
  • Mfr. Model # TE-6300-603
  • Temperature Sensor, For Use With TE-6313P-1, Color Gray, Height (In.) 3, Length (In.) 36, Dia. (In.) 1/4,...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

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

Sensor,Remote
  • WHITE-RODGERS
  • 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,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

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

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

Humidty/Temperature Sensor
Carbon Dioxide Sensor,Wall ,LCD Display
  • HONEYWELL
  • Carbon Dioxide Sensor, Wall , LCD DisplayCarbon Dioxide Sensor,Wall ,LCD Display
  • Item # 6LJJ9
  • Mfr. Model # C7232A1008
  • CO2 Sensor, Wall Mount, For Use With HVAC Controllers, Color White, Height (In.) 5-1/16, Width (In.) 3-11/16,...More

Carbon Dioxide Sensor,Duct, LCD Display
  • HONEYWELL
  • Carbon Dioxide Sensor, Duct, LCD DisplayCarbon Dioxide Sensor,Duct, LCD Display
  • Item # 6LJK1
  • Mfr. Model # C7232B1006
  • CO2 Sensor, Duct Mount, For Use With HVAC Controllers, Color White, Height (In.) 5-5/8, Width (In.) 3-5/16,...More

Duct CO2 Sensor,24VAC
  • SIEMENS
  • Duct CO2 Sensor, 24VACDuct CO2 Sensor,24VAC
  • Item # 5WYE9
  • Mfr. Model # QPM2100
  • CO2 Duct Sensor, For Use With 0 - 10Vdc Controller Inputs, Color White, Height (In.) 1.625, Width (In.) 1.25,...More

Line Voltage Thermostat Knob for 6EDY9
Line Voltage Thermostat Housing
Surface Mounting Bracket
Adapter,Thermocouple
  • VULCAN
  • Adapter, ThermocoupleAdapter,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

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

Subbase,Thermostat
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

Coverplate,Wall,White
  • WHITE-RODGERS
  • Coverplate, Wall, WhiteCoverplate,Wall,White
  • Item # 3MY21
  • Mfr. Model # F61-2500
  • Wall Coverplate, Use with Thermostat 1RC44, 1RC45, 1RC47, 3MY12, 3MY13, 3MY14, 3MY15, 3MY16, 3MY17, Color...More

Optional Knob,Marked 0-10,Use With 4TCZ1
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

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!