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Thermostat Accessories

136 Results Found that Include 136 Products

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Results per page: 16 | 32 | 48
Plug,Thermocouple,K
Plug,Thermocouple,K
  • 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

Temperature Sensor,1K Ohm
  • 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

Coverplate,Plastic
  • 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

20 K Ohm Remote Temp Sensor, Wall Module
  • 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

Subbase,Thermostat
Calibration/Wrench Kit
Indoor Sensor, Cover Color White
  • 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

Temperature Sensor
  • 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

Remote Sensor,Use With T775 Series 2
  • 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 Tight
  • 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

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

Carbon Dioxide Sensor,Wall ,LCD Display
  • 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

Duct CO2 Sensor,24VAC
  • 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
Surface Mounting Bracket
Adapter,Thermocouple
Wireless Indoor Sensor
  • 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 Dial,Infinite
Temperature Sensor,PVC Cable
  • 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

Decorative Cover Plate,For 4EY30,4EY31
Universal Cover Plate
  • 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

Remote Indoor Sensor,White,40 to 110F
Plug,Thermocouple,J
Remote Sensor,Indoor
  • 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

Adapter,Thermocouple
  • 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

Optional Knob,Marked 0-10,Use With 4TCZ1
Plug,Thermocouple,J
  • 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

CO2 Sensor,Indoor,White
  • 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

Adapter,Thermocouple
RedLink Internet Gateway
  • 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

Thermostat Knob
  • Thermostat KnobThermostat 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

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