Shop 4 wire thermostat replacement

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$32.00
$33.92
New! Honeywell Home Non-Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, X1N, White
Amazon.com
187
$32.00
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New! Honeywell Home Non-Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, X1N, White
Amazon.com
187
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WE4M181 Dryer Cycling 4 Wire Thermostat For GE Dryer AP2044414 PS267926
Amazon.com
21
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WE4M181 Dryer Cycling 4 Wire Thermostat For GE Dryer AP2044414 PS267926
Amazon.com
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2 PCS 240 V Only 4-Wire Manual Electric Baseboard Heater Thermostat For Home, Yelodeer
Amazon.com
31
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2 PCS 240 V Only 4-Wire Manual Electric Baseboard Heater Thermostat For Home, Yelodeer
Amazon.com
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New! Honeywell Home Smart Thermostat, Conventional/Heat Pump Compatibility, Wifi Thermostat For Home, X2S, White
Amazon.com
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New! Honeywell Home Smart Thermostat, Conventional/Heat Pump Compatibility, Wifi Thermostat For Home, X2S, White
Amazon.com
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Google Nest Learning Thermostat (4Th Gen, 2024) With Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible With Alexa, Apple Homekit
Amazon.com
1K+
Free shipping
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$229.99
$279.99
Google Nest Learning Thermostat (4Th Gen, 2024) With Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible With Alexa, Apple Homekit
Amazon.com
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New! Honeywell Home Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, 5-2 Day Schedule, X2P, White, RTH20B
Amazon.com
241
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New! Honeywell Home Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, 5-2 Day Schedule, X2P, White, RTH20B
Amazon.com
241
$125.29
Honeywell TH114-A-120S, Non-Programmable Line Volt Electric Heating Thermostat, 4 Wires/SPST, 120V
Oswald Supply Co
$125.29
Honeywell TH114-A-120S, Non-Programmable Line Volt Electric Heating Thermostat, 4 Wires/SPST, 120V
Oswald Supply Co
$147.05
$342.95
Honeywell TH8320R1003 Honeywell Visionpro Heat/Cool Digital Thermostat, White
Amazon.com
831
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Honeywell TH8320R1003 Honeywell Visionpro Heat/Cool Digital Thermostat, White
Amazon.com
831
$119.91
120V SPST Line Volt 4 Wire Non Programmable Digital Thermostat W Backlite 40-86F At International Lighting
Interlight US
$119.91
120V SPST Line Volt 4 Wire Non Programmable Digital Thermostat W Backlite 40-86F At International Lighting
Interlight US
$116.93
$139.99
Ecobee Smart Thermostat Essential - Energy Star Certified Programmable Wi-Fi Thermostat - Works With Siri, Alexa, And Google Assistant
Amazon.com
156
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16% off
$116.93
$139.99
Ecobee Smart Thermostat Essential - Energy Star Certified Programmable Wi-Fi Thermostat - Works With Siri, Alexa, And Google Assistant
Amazon.com
156
$62.31
PRO1 Line Voltage Thermostat Non-Programmable 4 Wire T501ML4
DkHardware.com
$62.31
PRO1 Line Voltage Thermostat Non-Programmable 4 Wire T501ML4
DkHardware.com
$124.96
208240Vac 4 Wire DPST 7 Day Programmable Line Volt Hardwired Thermostat For Electric Heating 40-86F At International Lighting
Interlight US
$124.96
208240Vac 4 Wire DPST 7 Day Programmable Line Volt Hardwired Thermostat For Electric Heating 40-86F At International Lighting
Interlight US
$9.52
$11.12
Allpoints 420504 Electric Thermostat Universal 4 Way Black Chrome-Plated Plastic | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
14% off
$9.52
$11.12
Allpoints 420504 Electric Thermostat Universal 4 Way Black Chrome-Plated Plastic | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
$33.38
White-Rodgers 1F78-144 Digital Heat/Cool Thermostat, White
Amazon.com
258
$33.38
White-Rodgers 1F78-144 Digital Heat/Cool Thermostat, White
Amazon.com
258
$21.35
$23.99
Non-Programmable Thermostat For Home Single-Stage Systems, 1 Heat/1 Cool, Easy DIY Install, Blue Backlight
Amazon.com
42
11% off
$21.35
$23.99
Non-Programmable Thermostat For Home Single-Stage Systems, 1 Heat/1 Cool, Easy DIY Install, Blue Backlight
Amazon.com
42
$180.27
Qmark Heater 240V 4-Wire Non-Programmable Thermostat, TRIAC Switch (Qmark Heater TH114A240DBA)
HomElectrical
$180.27
Qmark Heater 240V 4-Wire Non-Programmable Thermostat, TRIAC Switch (Qmark Heater TH114A240DBA)
HomElectrical
$52.98
Emerson 1F86 0244 Non Programmable Thermostat 1H/1C, Blue
Amazon.com
217
Free shipping
$52.98
Emerson 1F86 0244 Non Programmable Thermostat 1H/1C, Blue
Amazon.com
217
$123.20
Honeywell Th114-A-120S 120V Spst Line Volt 4 Wire Non Programmable Digital Thermostat Withbacklite 40-86 | V04-127659
NorthStock, Inc.
$123.20
Honeywell Th114-A-120S 120V Spst Line Volt 4 Wire Non Programmable Digital Thermostat Withbacklite 40-86 | V04-127659
NorthStock, Inc.
$127.99
Honeywell TH115-A-120S 120V 4-Wire Spst TH115-A-12
Zoro.com
$127.99
Honeywell TH115-A-120S 120V 4-Wire Spst TH115-A-12
Zoro.com
$43.98
New! Honeywell Home Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, Flexible Schedule, X2P, White, RTH21B
Amazon.com
5
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$43.98
New! Honeywell Home Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, Flexible Schedule, X2P, White, RTH21B
Amazon.com
5
$31.99
Pro1 4-Wire Line Voltage Non-Programmable Mechanical Electric Heat Thermostat T501ML4
WebstaurantStore
$31.99
Pro1 4-Wire Line Voltage Non-Programmable Mechanical Electric Heat Thermostat T501ML4
WebstaurantStore
$89.99
Honeywell Home RENEWRTH9585WF Smart Color Thermostat (Renewed), Silver (RENEWRTH9585WF/U)
Amazon.com
831
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Honeywell Home RENEWRTH9585WF Smart Color Thermostat (Renewed), Silver (RENEWRTH9585WF/U)
Amazon.com
831
$83.72
Peco Industrial NEMA 4X Thermostat: Heat Or Cool, 120 /208/240/277/480 V AC Model: TF115-023
Grainger
$83.72
Peco Industrial NEMA 4X Thermostat: Heat Or Cool, 120 /208/240/277/480 V AC Model: TF115-023
Grainger
$69.99
240Vac Two Or Four Wire Digital Non Programmable Electronic Thermostat For Electric Heating 40-86F At International Lighting
Interlight US
$69.99
240Vac Two Or Four Wire Digital Non Programmable Electronic Thermostat For Electric Heating 40-86F At International Lighting
Interlight US
$61.22
Honeywell TH4110U2005, T4 Pro Programmable Thermostat, 1H/1C Heat Pump, 1H/1C Conventional]
Oswald Supply Co
$61.22
Honeywell TH4110U2005, T4 Pro Programmable Thermostat, 1H/1C Heat Pump, 1H/1C Conventional]
Oswald Supply Co
$1,762.99
Liebert Thermostat 4 Wire For 5-8 Tons Units 153210G2S
Zoro.com
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Liebert Thermostat 4 Wire For 5-8 Tons Units 153210G2S
Zoro.com
$44.38
PRO1 IAQ T771 Heat Or Cool Only Electronic Thermostat , White
Amazon.com
75
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PRO1 IAQ T771 Heat Or Cool Only Electronic Thermostat , White
Amazon.com
75
$91.17
Peco Industrial NEMA 4X Thermostat: Heat Or Cool, 120 /208/240/277/480 V AC Model: TRF 115-007
Grainger
$91.17
Peco Industrial NEMA 4X Thermostat: Heat Or Cool, 120 /208/240/277/480 V AC Model: TRF 115-007
Grainger
$39.28
Honeywell TH1110DV1009 Pro 1000 Non-Programmable Thermostat
Amazon.com
398
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Honeywell TH1110DV1009 Pro 1000 Non-Programmable Thermostat
Amazon.com
398
$46.80
$49.94
Emerson 1F86-344 Non-Programmable Thermostat For Single-Stage Systems
Amazon.com
974
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Emerson 1F86-344 Non-Programmable Thermostat For Single-Stage Systems
Amazon.com
974
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Non-Programmable Single Stage Thermostat 4 Wire 0.5 Differential
eBay
$42.99
Non-Programmable Single Stage Thermostat 4 Wire 0.5 Differential
eBay
$299.73
TH6320R-1004 HONEYWELL - Controls & Indicators & Thermostat Supplies
Radwell.com
$299.73
TH6320R-1004 HONEYWELL - Controls & Indicators & Thermostat Supplies
Radwell.com
$24.24
Emerson NP110 Non-Programmable Single Stage Thermostat, 4, 0.5
Amazon.com
2K+
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Emerson NP110 Non-Programmable Single Stage Thermostat, 4, 0.5
Amazon.com
2K+
$164.00
$249.95
Google Nest Learning Thermostat - 3rd Gen - Programmable Smart Thermostat For Home - Compatible With Alexa (Stainless Steel)
Amazon.com
52
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34% off
$164.00
$249.95
Google Nest Learning Thermostat - 3rd Gen - Programmable Smart Thermostat For Home - Compatible With Alexa (Stainless Steel)
Amazon.com
52
$2,256.99
Liebert Minimate II 4 Wire Thermostat 153210G4S
DkHardware.com
$2,256.99
Liebert Minimate II 4 Wire Thermostat 153210G4S
DkHardware.com
$32.99
Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant
Amazon.com
331
$32.99
Syston 18/4 Thermostat Doorbell HVAC Heating Control Cable Wire, 100% Solid Copper Conductors CL3R/FT4/CMR Riser-Rated UL/ETL Listed, UV Resistant
Amazon.com
331
How to Upgrade to a Smart Thermostat with Four Wires | This Old House: Live
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Shop 4 wire thermostat replacement

Sponsored
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$32.00
$33.92
New! Honeywell Home Non-Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, X1N, White
Amazon.com
187
$32.00
$33.92
New! Honeywell Home Non-Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, X1N, White
Amazon.com
187
$13.99
WE4M181 Dryer Cycling 4 Wire Thermostat For GE Dryer AP2044414 PS267926
Amazon.com
21
$13.99
WE4M181 Dryer Cycling 4 Wire Thermostat For GE Dryer AP2044414 PS267926
Amazon.com
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2 PCS 240 V Only 4-Wire Manual Electric Baseboard Heater Thermostat For Home, Yelodeer
Amazon.com
31
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2 PCS 240 V Only 4-Wire Manual Electric Baseboard Heater Thermostat For Home, Yelodeer
Amazon.com
31
$79.99
New! Honeywell Home Smart Thermostat, Conventional/Heat Pump Compatibility, Wifi Thermostat For Home, X2S, White
Amazon.com
9
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New! Honeywell Home Smart Thermostat, Conventional/Heat Pump Compatibility, Wifi Thermostat For Home, X2S, White
Amazon.com
9
$229.99
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Google Nest Learning Thermostat (4Th Gen, 2024) With Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible With Alexa, Apple Homekit
Amazon.com
1K+
Free shipping
17% off
$229.99
$279.99
Google Nest Learning Thermostat (4Th Gen, 2024) With Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible With Alexa, Apple Homekit
Amazon.com
1K+
$38.20
$49.99
New! Honeywell Home Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, 5-2 Day Schedule, X2P, White, RTH20B
Amazon.com
241
Free shipping
23% off
$38.20
$49.99
New! Honeywell Home Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, 5-2 Day Schedule, X2P, White, RTH20B
Amazon.com
241
$125.29
Honeywell TH114-A-120S, Non-Programmable Line Volt Electric Heating Thermostat, 4 Wires/SPST, 120V
Oswald Supply Co
$125.29
Honeywell TH114-A-120S, Non-Programmable Line Volt Electric Heating Thermostat, 4 Wires/SPST, 120V
Oswald Supply Co
$147.05
$342.95
Honeywell TH8320R1003 Honeywell Visionpro Heat/Cool Digital Thermostat, White
Amazon.com
831
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57% off
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Honeywell TH8320R1003 Honeywell Visionpro Heat/Cool Digital Thermostat, White
Amazon.com
831
$119.91
120V SPST Line Volt 4 Wire Non Programmable Digital Thermostat W Backlite 40-86F At International Lighting
Interlight US
$119.91
120V SPST Line Volt 4 Wire Non Programmable Digital Thermostat W Backlite 40-86F At International Lighting
Interlight US
$116.93
$139.99
Ecobee Smart Thermostat Essential - Energy Star Certified Programmable Wi-Fi Thermostat - Works With Siri, Alexa, And Google Assistant
Amazon.com
156
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$116.93
$139.99
Ecobee Smart Thermostat Essential - Energy Star Certified Programmable Wi-Fi Thermostat - Works With Siri, Alexa, And Google Assistant
Amazon.com
156
$62.31
PRO1 Line Voltage Thermostat Non-Programmable 4 Wire T501ML4
DkHardware.com
$62.31
PRO1 Line Voltage Thermostat Non-Programmable 4 Wire T501ML4
DkHardware.com
$124.96
208240Vac 4 Wire DPST 7 Day Programmable Line Volt Hardwired Thermostat For Electric Heating 40-86F At International Lighting
Interlight US
$124.96
208240Vac 4 Wire DPST 7 Day Programmable Line Volt Hardwired Thermostat For Electric Heating 40-86F At International Lighting
Interlight US
$9.52
$11.12
Allpoints 420504 Electric Thermostat Universal 4 Way Black Chrome-Plated Plastic | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
14% off
$9.52
$11.12
Allpoints 420504 Electric Thermostat Universal 4 Way Black Chrome-Plated Plastic | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
$33.38
White-Rodgers 1F78-144 Digital Heat/Cool Thermostat, White
Amazon.com
258
$33.38
White-Rodgers 1F78-144 Digital Heat/Cool Thermostat, White
Amazon.com
258
$21.35
$23.99
Non-Programmable Thermostat For Home Single-Stage Systems, 1 Heat/1 Cool, Easy DIY Install, Blue Backlight
Amazon.com
42
11% off
$21.35
$23.99
Non-Programmable Thermostat For Home Single-Stage Systems, 1 Heat/1 Cool, Easy DIY Install, Blue Backlight
Amazon.com
42
$180.27
Qmark Heater 240V 4-Wire Non-Programmable Thermostat, TRIAC Switch (Qmark Heater TH114A240DBA)
HomElectrical
$180.27
Qmark Heater 240V 4-Wire Non-Programmable Thermostat, TRIAC Switch (Qmark Heater TH114A240DBA)
HomElectrical
$52.98
Emerson 1F86 0244 Non Programmable Thermostat 1H/1C, Blue
Amazon.com
217
Free shipping
$52.98
Emerson 1F86 0244 Non Programmable Thermostat 1H/1C, Blue
Amazon.com
217
$123.20
Honeywell Th114-A-120S 120V Spst Line Volt 4 Wire Non Programmable Digital Thermostat Withbacklite 40-86 | V04-127659
NorthStock, Inc.
$123.20
Honeywell Th114-A-120S 120V Spst Line Volt 4 Wire Non Programmable Digital Thermostat Withbacklite 40-86 | V04-127659
NorthStock, Inc.