HVAC & Refrigeration Thermostats
hvac & refrigeration thermostats — pre-owned
Browse 1,537 hvac & refrigeration thermostats — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Pro1 IAQ T721 Digital Non-Programmable 2H/1C Heat Pump Thermostat - USED
Great Condition, used Thermostat. It has been tested and functions 100%. 5-minute compressor delay protection (select-able on or off). Battery or 24V power.

tekmar WiFi Thermostat 562 Programmable, 2H/1C, Lot of 8
Thermostats were taking off a working system The tekmar WiFi Thermostat 562 Programmable is a white, surface-mounted digital thermostat that operates on low voltage. It features a rectangular shape and offers 2 heat stages and 1 cool stage. With its programmable settings and WiFi capabilities, this thermostat allows for convenient control and scheduling of heating and cooling systems in a business or industrial setting. Easy to use and efficient, the tekmar WiFi Thermostat 562 is a reliable choice for maintaining optimal temperatures in HVAC systems.

Verdant VX Series Wireless Thermostat White w/ Mounting Kit.
Verdant VX Series Wireless Smart Thermostats that can be used on your PTAC units. Each thermostat shows heating and cooling graphs for each room along with other important stats. Each thermostat has LCD display, Built-in occupancy sensor, Energy Savings mode, Auto heat and cool mode, or manual mode.

Crestron CHV-TSTATW Heating and Cooling Thermostat (White)
Looks great, works perfect.
You save $140.00

Honeywell T775M2022 Electronic Remote Temperature Controller Nema 4X Thermostat
You save $100.00

Simple Comfort SC1900 Cool Non-Programmable Thermostat Fast Free Shipping
Was used in my house for my ac unit but switched to a google nest thermostat. Nothing wrong with the unit. Unit only. Little battery corrosion on one terminal but works fine. See photos for more details. Thanks for looking!

Columbus Electric KT-121 Portable Heater Thermostat 0°F - 100°F Excellent Cond
This Columbus Electric KT-121 Portable 110V Thermostat offers a reliable control range of 0°F - 100°F, making it suitable for use with portable heating equipment. With a temperature sensor technology and analog/mechanical control style, this thermostat provides accurate and efficient performance. The 3-wire wire configuration and corded electric power source ensure easy installation and operation. The black color and compact dimensions of 5 1/2" height, 2 1/2" width, and 2" depth make it a convenient choice for various HVAC applications.

Honeywell T775U2006 Series 2000 Electronic Universal Controller For Each
Price is for Each . Has no box and manual. Optimize your commercial or industrial HVAC systems with the Honeywell T775U Electronic Universal Controller.

WHITE-ROGERS TYPE 24A15-5 LEVEL TEMP HEAT SEQUENCER
OTHER HVAC NEEDS I HAVE FOR SALE.

Finder 7T.81.0.000.2403 Panel Thermostat Heating Control 10A 250V
If you are not able to pick up locally, we are able to get competitive freight quotes as well.
You save $1.20

Honeywell T775B2024 Temperature Controller
Ships the day you buy it. Fast! G-1-6-5 F-3-2-1 F-1-2-8 F-2-3-20

DigiTrace AMC-F5 Thermostat Line Sensing 40F 22amp Ships Fast
This item is in good condition with no major damage on it. Please see pictures for condition, and if you have any questions, feel free to reach out and ask. And feel free to check out our store for any other items you may be interested in, we offer combined shipping! So the more you buy, the better the deal! We make sure to get everything packaged securely, swiftly, and shipped out the same day/next day. Thanks!

ENDA ATC9311-230VAC Analog Thermostat
(B 56) (9791)(Apr 26).

LOT OF 2 Alerton PM7147 Microset BACtalk Wall Sensor Thermostat
No power cord. R2 READY FOR RESALE - TESTED FOR KEY FUNCTION. PICTURES SHOWN ARE OF THE AUCTUAL ITEM.

Schneider Electric STR 250 Thermostat
The Schneider Electric STR 250 Thermostat is a digital control device that uses temperature sensor technology to regulate heating and cooling systems in a building. As a product from Schneider Electric, known for its reliability in the HVAC and refrigeration industry, the STR250 model offers precision and efficiency in controlling the indoor climate. Designed with a focus on energy savings and comfort, this thermostat is a valuable addition to any commercial or industrial setting in need of precise temperature management.

Kmc Controls Bac-120063Cw Controller,6 Relay,3 Universal Outputs
This KMC CONTROLS BAC-120063CW controller is perfect for HVACR and appliance controls, as well as building automation needs. With 6 relay and 3 universal outputs, it allows for efficient and effective control of your system. The RTU features a display of 64 x 128 pixel dot matrix LCD, making it easy to read and interpret the data. The controller is compatible with KMC CONTROLS brand and has a voltage of 24VAC. It comes with a removable backplate and is designed for use with AHU. The package does not include a battery, and there is no bundle description or custom bundle. This product is made in the US and has a manufacturer warranty of 1 year.

Vintage Ranco Type 30 Carrier AC Capillary Thermostat A30-1660 HH22UB068 240V
My goal is to make sure people get what they expect! I won't try to make used products sound better than they are. I am very enthusiastic about re-use of parts and electronics, finding hidden treasures, getting people good deals, and also cutting down on waste generated in a throw-away society.

Daikin BRC1E73 Remote Controller
Daikin BRC1E73 (NAV control) wired remote controller. P1-P2 wired connection. compatible with Daikin VRV and mini split units. Thermostats are being sold as USED but are pretty much new and in excellent condition. thermostats were never used but they were mounted and will NOT come with the original box, packaging, manual, or mounting hardware.

Amana Wireless Thermostat for Amana PTACs with Antennae
Its rectangular shape and wall-mounted design make it easy to install and use.

Honeywell THM5320R1000 Redlink Interface Module THM5320R
Honeywell THM5320R1000 Redlink Interface Module THM5320R From running unit York box

Pelican Wireless Systems GW400 - Wireless Extended Range Ethernet Gateway
I have for sale a Pelican Wireless Systems GW400 - Wireless Extended Range Ethernet Gateway. Pelican Gateways are simple bridges that automatically connect all your on-site Pelican devices to your Pelican Web-app.

Refurbished Digital Wall Electronic Programmable Thermostat Pro1 IAQ T705
Refurbished Pro1IAQ Model T705 Programmable Thermostat. A great Programmable thermostat at a value price. 5/1/1 Programmable. Mounts on wall or junction box. Glow in the dark light button. Blue back-light.

Barber Colman TP-8101-0-0-1 55-85F Solid State Room Controller Kit
Shows signs of wear from use. John Deere.

Google Nest Learning Thermostat 3rd Gen A0013 Kit Base Plate Screws Tools
Google Nest Learning Thermostat 3rd Generation installation hardware kit. Includes the essential base plate with integrated level, decorative white trim plate, steel mounting plate, and a set of four mounting screws. Also features two signature Nest screwdrivers (Phillips and Flathead) to assist with a seamless DIY setup. Perfect for replacing lost components or moving your smart thermostat to a new location. Components are in clean, well-maintained condition.
You save $10.50

Daikin BRC944B2 wired remote controller kit USED
Universal S21 Support: Compatible with a wide array of Daikin indoor units, ensuring seamless integration with existing systems. It is particularly valued for itshardwired reliability, which effectively eliminates the line-of-sight limitations of standard wireless remotes.Opens in a new window.

Unbranded Water Furnace Harness-Comp In Red-Blk-Blu 11P781-08
MANUFACTURERS WARRANTY IS NOT APPLIED OR TRANSFERRED. What you see in the picture is what you get. Nothing else is included! Why buy through us?. Have an issue?.

Honeywell T775B2024 Temperature Controller 24VAC
You save $18.52

Powers Line Voltage Heating Thermostat 134-1026 Vintage Used
Powers line voltage heating thermostat working when removed from service

Carrier TP-PAC01 Comfort Series Programmable Thermostat
Pulled from a working environment, this Carrier TP-PAC01 Comfort Series Programmable Thermostat is a sleek square-shaped device designed for wall mounting. It boasts advanced features such as digital display and touch screen control, making it user-friendly and easy to program. With 7 periods per programmable day and compatibility with universal products, this thermostat offers energy-efficient climate control for your home. The white color and modern design enhance the aesthetics of any living space, while the 24 VAC voltage ensures reliable performance. Trust the Carrier brand for quality and efficiency in heating, cooling, and air systems.

Carrier Infinity Touch Programmable Thermostat White SYSTXCCITN01-A
Carrier Infinity Touch Programmable Thermostat White SYSTXCCITN01-A

(50 PC) IEC Programmable 7 Day Thermostat For 2 Or 4 Pipe Fan Coil Systems EO55
This IEC programmable 7 day thermostat is perfect for managing temperature in 2 or 4 pipe fan coil systems. You can easily program this thermostat to suit your needs using its touch control style, which allows you to set it up for a 7-day cycle. The thermostat shape is square, and it comes in a sleek white color that will match any decor. The voltage of this thermostat is 24V, and it is designed to be wall-mounted. The system switching of this thermostat is auto, so it will automatically switch between heating and cooling as required. Additionally, this thermostat is compatible with the 7 Day programmable model, making it easy to use.

Distech ECYSTATFWWB ECLYPSE Thermostat Fan Coil Unit FCU 4UI 5DO 3DUO G2U
Check item specifics and photos to ensure you make the perfect choice.
You save $315.00

GENUINE HONEYWELL T631A 1006 FARM-O-STAT TEMPERATURE CONTROLLER 35-100°F

Price Industries Intelligent Controller PIC Thermostat PCT Occupancy 250051-100
You save $6.50

Stemco,102B,Thermostat
What's Included?. See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. We're Not Perfect!

RITTAL SK3110 TEMPERATURE CONTROL UNIT (See Description)
You save $5.88

Powers TH832 Direct Acting Pneumatic Thermostat
We have listed all model information that we have available. We strive to provide all information that we have on hand and do our best to describe and photograph every part. If we say the item works, then it was tested to the best of our ability.

JOHNSON CONTROLS A19ADB-1 Line Volt Mechanical Tstat
In very good condition

RobertShaw Chromalox 300-048518-012 D1/D18P Thermostat 0-100F 30A 120/277VAC

tekmar 560 Digital Non-Programmable Heat-Off Wall-Mounted Thermostat Lot of 10
Thermostats were taking off a working system The tekmar 560 Digital Non-Programmable Heat-Off Wall-Mounted Thermostat Lot of 10 is a white, rectangular-shaped thermostat designed for wall mounting. Made of plastic and powered by a corded electric source, this thermostat operates on low voltage and features temperature sensor technology. With a control style of digital and a heat stage of 1, this thermostat is perfect for business and industrial HVAC applications. The tekmar brand ensures quality and reliability, making this thermostat a great choice for efficient heat management in 2021 and beyond.