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Thermostat Accessories

138 Results Found that Include 138 Products 

Results per page: 16 | 32 | 48
Calibration/Wrench Kit
  • SIEMENS
  • Calibration/Wrench Kit
  • Item # 4E891
  • Mfr. Model # 192-632
  • Calibration/Wrench Kit, For Landis And Staefa (192-643), Includes 5 Wrenches and Pocket Clip

Indoor Sensor, Cover Color White
  • HONEYWELL
  • 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

Surface Mounting Bracket
Coverplate,Plastic
  • HONEYWELL
  • 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

Temperature Sensor,1K Ohm
  • RANCO
  • 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

Plug,Thermocouple,J
  • VULCAN
  • Plug, Thermocouple, J
  • Item # 3HL33
  • Mfr. Model # N56/05012-J
  • Thermocouple Plug, Type J, Plug/Connector Male, Color Black, Quick Disconnect, Iron Constantan

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

Universal Cover Plate
  • HONEYWELL
  • 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

Adapter,Thermocouple
  • VULCAN
  • Adapter, Thermocouple
  • Item # 3HL26
  • Mfr. Model # N56/05000-1
  • Bayonet Mount Thermocouple Adapter, Thread NPT 1/8-27 Inch, Diameter 7/16 Inch, Length 7/8 Inch

Plug,Thermocouple,J
  • VULCAN
  • 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

Adapter,Thermocouple
  • VULCAN
  • 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

Adapter,Thermocouple
  • VULCAN
  • Adapter, Thermocouple
  • Item # 3HL27
  • Mfr. Model # N56/05000-10
  • Bayonet Mount Thermocouple Adapter, Thread NPT 1/8-27 Inch, Diameter 7/16 Inch, Length 2 1/2 Inches

Plug,Thermocouple,K
  • VULCAN
  • Plug, Thermocouple, K
  • Item # 3HL34
  • Mfr. Model # N56/05012-K
  • Thermocouple Plug, Type K, Plug/Connector Male, Color Yellow, Quick Disconnect, Cromel Alumel

Temperature Sensor,PTC
  • ELIWELL
  • Temperature 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

Plug,Thermocouple,K
  • VULCAN
  • 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

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

Remote Indoor Sensor,White,40 to 110F
  • ROBERTSHAW
  • Remote 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

Adapter,Thermocouple
  • VULCAN
  • Adapter, Thermocouple
  • Item # 3HL28
  • Mfr. Model # N56/05000-16
  • Bayonet Mount Thermocouple Adapter, Thread NPT 1/8-27 Inch, Diameter 7/16 Inch, Length 4 Inches

Remote Sensor,Indoor
  • ROBERTSHAW
  • Remote 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 Dial,Black
  • ROBERTSHAW
  • Temperature Dial, Black
  • Item # 26X369
  • Mfr. Model # 40-355
  • Temperature Dial, Single Piece, LO, 1, 2, 3, 4, 5, 6, HI and Off, Color Black, Dia. (In.) 2-1/4

SuitePro Wall Plate Adapter,White
  • HONEYWELL
  • SuitePro Wall Plate Adapter, White
  • Item # 3RCL1
  • Mfr. Model # 50033847-001/U
  • SuitePro Wall Plate Adapter, Plastic, For Use With 3RCK7, 3RCK8, 3RCK9, 3RCL2, Direct Mount On Junction Box,...More

Temperature Sensor
  • JOHNSON CONTROLS
  • 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

Backplate,Plastic,White
  • ROBERTSHAW
  • Backplate, Plastic, White
  • Item # 1TKG3
  • Mfr. Model # 9010-1
  • Backplate, Plastic, For Use With Robertshaw 9400, 9500, 9550, 9600 Series Thermostats, Covers Unwanted Marks...More

Temperature Dial,Infinite
  • ROBERTSHAW
  • Temperature Dial, Infinite
  • Item # 26X370
  • Mfr. Model # 40-158
  • Temperature Dial, Infinite, LO, 1, 2, 3, 4, 5, 6, HI and Off, Color Black/Chrome, Dia. (In.) 1-7/8

Remote Sensor,Water Resistant
  • HONEYWELL
  • 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

Optional Knob,Marked 0-10,Use With 4TCZ1
Decorative Cover Plate,For 4EY30,4EY31
  • HONEYWELL
  • Decorative Cover Plate, For 4EY30,4EY31
  • Item # 2VRT1
  • Mfr. Model # 50000066-001
  • Decorative Cover Plate, Wall Mount, For Use With 4EY30, 4EY31, Color White, Dia 5 1/2 In, Includes Wall Plate...More

Remote Sensor,Use With T775 Series 2
  • HONEYWELL
  • 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

Line Voltage Thermostat Knob for 6EDY9
Coverplate,Wall,White
  • WHITE-RODGERS
  • Coverplate, Wall, White
  • Item # 3MY21
  • Mfr. Model # F61-2500
  • Wall Coverplate, Use with Thermostat 1RC44, 1RC45, 1RC47, 3MY12, 3MY13, 3MY14, 3MY15, 3MY16, 3MY17, Color...More

Electric Heat Interface Module,Red Link
  • HONEYWELL
  • Electric Heat Interface Module, Red Link
  • Item # 14A011
  • Mfr. Model # TLM1110R1000
  • Electric Heat Interface Module, Redlink Enabled, For Use With YTL9160AR1000, Color White, Operating Temp....More

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

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!