![Installing new Amazon smart thermostat from a RWG non-smart Honeywell...I have a C wire but on the HVAC there are already 2 wires (red and blue) in the C connection on the Installing new Amazon smart thermostat from a RWG non-smart Honeywell...I have a C wire but on the HVAC there are already 2 wires (red and blue) in the C connection on the](https://preview.redd.it/s6hk8xkhg9y71.jpg?width=3180&format=pjpg&auto=webp&s=bf0d76a458c03c2c838e10db30c7f164c4bf0701)
Installing new Amazon smart thermostat from a RWG non-smart Honeywell...I have a C wire but on the HVAC there are already 2 wires (red and blue) in the C connection on the
![Honeywell TH6210U2001/U T6 Pro Programmable Thermostat, 2 Heat / 1 Cool Heat Pump Or 1 Heat / 1 Cool Conventional: Amazon.com: Tools & Home Improvement Honeywell TH6210U2001/U T6 Pro Programmable Thermostat, 2 Heat / 1 Cool Heat Pump Or 1 Heat / 1 Cool Conventional: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/61T6dIzqnoL._AC_UF1000,1000_QL80_.jpg)
Honeywell TH6210U2001/U T6 Pro Programmable Thermostat, 2 Heat / 1 Cool Heat Pump Or 1 Heat / 1 Cool Conventional: Amazon.com: Tools & Home Improvement
![AC 220V-250V 6A 60HZ 2 Pin Freezer Refrigerator Thermostat WPF-20: Amazon.com: Industrial & Scientific AC 220V-250V 6A 60HZ 2 Pin Freezer Refrigerator Thermostat WPF-20: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61GyqaGDz3L._AC_UF1000,1000_QL80_.jpg)
AC 220V-250V 6A 60HZ 2 Pin Freezer Refrigerator Thermostat WPF-20: Amazon.com: Industrial & Scientific
![Meross Smart Thermostat for Combi Boilers and Underfloor Water Heating, Glass Touch Panel, Schedule and Multi-room Function, Hubless, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant : Amazon.co.uk: DIY & Tools Meross Smart Thermostat for Combi Boilers and Underfloor Water Heating, Glass Touch Panel, Schedule and Multi-room Function, Hubless, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/51JFCf7NImL._AC_SY550_.jpg)
Meross Smart Thermostat for Combi Boilers and Underfloor Water Heating, Glass Touch Panel, Schedule and Multi-room Function, Hubless, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant : Amazon.co.uk: DIY & Tools
![Amazon.com: Heagstat H721 Non-Programmable Heat Pump Thermostat, 2 Heat/1 Cool, with 4.5 sq. Inch Display Amazon.com: Heagstat H721 Non-Programmable Heat Pump Thermostat, 2 Heat/1 Cool, with 4.5 sq. Inch Display](https://m.media-amazon.com/images/I/61DB7EVocZL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Heagstat H721 Non-Programmable Heat Pump Thermostat, 2 Heat/1 Cool, with 4.5 sq. Inch Display
![Robertshaw RS9220 Pro Series 7-Day Programmable Thermostat, Multi-Stage, 2 Heat / 2 Cool - - Amazon.com Robertshaw RS9220 Pro Series 7-Day Programmable Thermostat, Multi-Stage, 2 Heat / 2 Cool - - Amazon.com](https://m.media-amazon.com/images/I/61kDR6KMw4L._AC_UF894,1000_QL80_.jpg)
Robertshaw RS9220 Pro Series 7-Day Programmable Thermostat, Multi-Stage, 2 Heat / 2 Cool - - Amazon.com
![EconoHome Non-Programmable Thermostat for Home - Heat & Cooling Temperature Control - Easy to Install - Digital Thermostat for Central Gas, Oil, Electric Furnaces, Single Stage Systems - - Amazon.com EconoHome Non-Programmable Thermostat for Home - Heat & Cooling Temperature Control - Easy to Install - Digital Thermostat for Central Gas, Oil, Electric Furnaces, Single Stage Systems - - Amazon.com](https://m.media-amazon.com/images/I/41HOH0VeCOL.jpg)
EconoHome Non-Programmable Thermostat for Home - Heat & Cooling Temperature Control - Easy to Install - Digital Thermostat for Central Gas, Oil, Electric Furnaces, Single Stage Systems - - Amazon.com
![Honeywell TH8321WF1001 Touchscreen Thermostat WiFi Vision Pro 8000 with Stages Upto 3 Heat / 2 Cool - - Amazon.com Honeywell TH8321WF1001 Touchscreen Thermostat WiFi Vision Pro 8000 with Stages Upto 3 Heat / 2 Cool - - Amazon.com](https://m.media-amazon.com/images/I/61I8K0hX-jL._AC_UF894,1000_QL80_.jpg)
Honeywell TH8321WF1001 Touchscreen Thermostat WiFi Vision Pro 8000 with Stages Upto 3 Heat / 2 Cool - - Amazon.com
![EconoHome WiFi Thermostat Plug Outlet - Wireless Plug in Smart Thermostat with App Controller, Programmable Home Temperature Controller with Timer - Compatible with Google Assistant & Amazon Alexa EconoHome WiFi Thermostat Plug Outlet - Wireless Plug in Smart Thermostat with App Controller, Programmable Home Temperature Controller with Timer - Compatible with Google Assistant & Amazon Alexa](https://m.media-amazon.com/images/I/61zXNq4se7L._AC_UF894,1000_QL80_.jpg)
EconoHome WiFi Thermostat Plug Outlet - Wireless Plug in Smart Thermostat with App Controller, Programmable Home Temperature Controller with Timer - Compatible with Google Assistant & Amazon Alexa
![Amazon.com: Inkbird WiFi Heat Mat Reptile Thermostat Controller Temperature Controller with 2 Probes and 2 Outlets, IPT-2CH Reptiles Heat Mat Thermostat (Max 250W per Outlet) : Automotive Amazon.com: Inkbird WiFi Heat Mat Reptile Thermostat Controller Temperature Controller with 2 Probes and 2 Outlets, IPT-2CH Reptiles Heat Mat Thermostat (Max 250W per Outlet) : Automotive](https://m.media-amazon.com/images/I/71ww3nq4kYL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Inkbird WiFi Heat Mat Reptile Thermostat Controller Temperature Controller with 2 Probes and 2 Outlets, IPT-2CH Reptiles Heat Mat Thermostat (Max 250W per Outlet) : Automotive
![Heagstat H721 Non-Programmable Heat Pump Thermostat, 2 Heat/1 Cool, with 4.5 sq. Inch Display : Amazon.ca: Tools & Home Improvement Heagstat H721 Non-Programmable Heat Pump Thermostat, 2 Heat/1 Cool, with 4.5 sq. Inch Display : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/61DB7EVocZL._AC_SX466_.jpg)
Heagstat H721 Non-Programmable Heat Pump Thermostat, 2 Heat/1 Cool, with 4.5 sq. Inch Display : Amazon.ca: Tools & Home Improvement
![Amazon.com: STEEl, Wall Plate for 3 2 1 Generation Google Nest Learning Thermostat, FOR ELECTRIC BOX (Screws Included) : Tools & Home Improvement Amazon.com: STEEl, Wall Plate for 3 2 1 Generation Google Nest Learning Thermostat, FOR ELECTRIC BOX (Screws Included) : Tools & Home Improvement](https://m.media-amazon.com/images/I/51dva9HsZ5L._AC_UF894,1000_QL80_.jpg)
Amazon.com: STEEl, Wall Plate for 3 2 1 Generation Google Nest Learning Thermostat, FOR ELECTRIC BOX (Screws Included) : Tools & Home Improvement
![Amazon.com : VIVOSUN Digital Heat Mat Thermostat Temperature Controller 40–108 ºF for Seedlings, Germination, Rooting, Fermentation and Reptiles : Patio, Lawn & Garden Amazon.com : VIVOSUN Digital Heat Mat Thermostat Temperature Controller 40–108 ºF for Seedlings, Germination, Rooting, Fermentation and Reptiles : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/71m2OjIqrdL._AC_UF894,1000_QL80_.jpg)
Amazon.com : VIVOSUN Digital Heat Mat Thermostat Temperature Controller 40–108 ºF for Seedlings, Germination, Rooting, Fermentation and Reptiles : Patio, Lawn & Garden
![Lux WIN100 Automatic Heating & Cooling 5-2 Day Programmable Outlet Thermostat, Compatible with Portable A/C, Fans, and Space Heaters - Programmable Household Thermostats - Amazon.com Lux WIN100 Automatic Heating & Cooling 5-2 Day Programmable Outlet Thermostat, Compatible with Portable A/C, Fans, and Space Heaters - Programmable Household Thermostats - Amazon.com](https://m.media-amazon.com/images/I/31uAuGMm3DL._AC_UF894,1000_QL80_.jpg)
Lux WIN100 Automatic Heating & Cooling 5-2 Day Programmable Outlet Thermostat, Compatible with Portable A/C, Fans, and Space Heaters - Programmable Household Thermostats - Amazon.com
![Amazon.com: Aowel Heat Pump Thermostat Programmable for Home 2 Heat / 1 Cool : Tools & Home Improvement Amazon.com: Aowel Heat Pump Thermostat Programmable for Home 2 Heat / 1 Cool : Tools & Home Improvement](https://m.media-amazon.com/images/I/61ElGHT3hjL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Aowel Heat Pump Thermostat Programmable for Home 2 Heat / 1 Cool : Tools & Home Improvement
![Thermostat, 5-1-1 Day Programmable, Stages 3 Heat/2 Cool - Programmable Household Thermostats - Amazon.com Thermostat, 5-1-1 Day Programmable, Stages 3 Heat/2 Cool - Programmable Household Thermostats - Amazon.com](https://m.media-amazon.com/images/I/71iO8trGUXL._AC_UF894,1000_QL80_.jpg)
Thermostat, 5-1-1 Day Programmable, Stages 3 Heat/2 Cool - Programmable Household Thermostats - Amazon.com
![Bosch Smart Home Radiator Thermostat II, Smart Thermostat with App Function, Compatible with Amazon Alexa, Google Home and Apple HomeKit : Amazon.de: DIY & Tools Bosch Smart Home Radiator Thermostat II, Smart Thermostat with App Function, Compatible with Amazon Alexa, Google Home and Apple HomeKit : Amazon.de: DIY & Tools](https://m.media-amazon.com/images/I/41HyBi7-CLL._AC_SX355_.jpg)