HVAC & Refrigeration Thermostats

hvac & refrigeration thermostats — pre-owned

1,537listings

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
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UsedBuy It Now

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.

$19.99
Free ShippingKansas City, US
greenyef_comTOP
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99.5%Excellent· 5.3k
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tekmar WiFi Thermostat 562 Programmable, 2H/1C, Lot of 8
UsedBuy It NowBest Offer

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.

$160.00
See listingAnsonia, US
g-man1989
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100.0%Excellent· 36
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Verdant VX Series Wireless Thermostat White w/ Mounting Kit.
UsedBuy It NowBest Offer

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.

$110.00
See listingBinghamton, US
maverickk_007
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100.0%Excellent· 33
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Crestron CHV-TSTATW Heating and Cooling Thermostat (White)
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UsedBuy It Now

Crestron CHV-TSTATW Heating and Cooling Thermostat (White)

Looks great, works perfect.

$209.99$349.99-40%

You save $140.00

+$9.00Gilbert, US
broomstick6TOP
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99.8%Excellent· 26.2k
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Honeywell T775M2022 Electronic Remote Temperature Controller Nema 4X Thermostat
-25%
UsedBuy It NowBest Offer

Honeywell T775M2022 Electronic Remote Temperature Controller Nema 4X Thermostat

$299.99$399.99-25%

You save $100.00

See listingWest Middlesex, US
section8cubby
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99.9%Excellent· 8.8k
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Simple Comfort SC1900 Cool Non-Programmable Thermostat Fast Free Shipping
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UsedBuy It NowBest Offer

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!

$24.95
Free ShippingFall River, US
xtremegamergoodsTOP
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99.8%Excellent· 3.4k
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Columbus Electric KT-121 Portable Heater Thermostat 0°F - 100°F Excellent Cond
UsedBuy It NowBest Offer

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.

$29.99
See listingMason City, US
firedog420
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100.0%Excellent· 789
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Honeywell T775U2006 Series 2000 Electronic Universal Controller For Each
UsedBuy It Now

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.

$167.19
Free ShippingSan Gabriel, US
ac_bro
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99.7%Excellent· 829
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WHITE-ROGERS TYPE 24A15-5 LEVEL TEMP HEAT SEQUENCER
UsedBuy It NowBest Offer

WHITE-ROGERS TYPE 24A15-5 LEVEL TEMP HEAT SEQUENCER

OTHER HVAC NEEDS I HAVE FOR SALE.

$29.99
Free ShippingHillsboro, US
dencyou
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99.9%Excellent· 1.5k
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Finder 7T.81.0.000.2403 Panel Thermostat Heating Control 10A 250V
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UsedBuy It NowBest Offer

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.

$10.79$11.99-10%

You save $1.20

Free ShippingBaroda, US
maverickindustrialsalesTOP
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100.0%Excellent· 29.1k
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Honeywell T775B2024 Temperature Controller
UsedBuy It NowBest Offer

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

$165.99
Free ShippingLebanon, US
cashbear1986
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99.8%Excellent· 3.5k
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DigiTrace AMC-F5 Thermostat Line Sensing 40F  22amp Ships Fast
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UsedBuy It NowBest Offer

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!

$79.95
+$6.95Canton, US
alpaca_retrofindsTOP
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99.9%Excellent· 20.2k
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ENDA ATC9311-230VAC Analog Thermostat
UsedBuy It NowBest Offer

ENDA ATC9311-230VAC Analog Thermostat

(B 56) (9791)(Apr 26).

$125.00
Free ShippingEl Paso, US
interlab
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100.0%Excellent· 7.2k
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LOT OF 2 Alerton PM7147  Microset   BACtalk Wall Sensor Thermostat
UsedBuy It NowBest Offer

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.

$80.00
See listingBrooklyn, US
kingslandmedicalsystems
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99.7%Excellent· 6.3k
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Schneider Electric STR 250 Thermostat
UsedBuy It NowBest Offer

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.

$100.00
See listingBig Bend, US
katse9596
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100.0%Excellent· 35
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Kmc Controls Bac-120063Cw Controller,6 Relay,3 Universal Outputs
UsedBuy It NowBest Offer

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.

$280.00
See listingJackson, US
metalt6
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100.0%Excellent· 159
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Vintage Ranco Type 30 Carrier AC Capillary Thermostat A30-1660 HH22UB068 240V
UsedBuy It Now

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.

$14.99
Free ShippingCarmichael, US
rawsacto
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100.0%Excellent· 1.8k
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Daikin BRC1E73 Remote Controller
UsedBuy It NowBest Offer

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.

$125.00
See listingSpring, US
rwgaragesale
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100.0%Excellent· 30
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Amana Wireless Thermostat for Amana PTACs with Antennae
UsedBuy It NowBest Offer

Amana Wireless Thermostat for Amana PTACs with Antennae

Its rectangular shape and wall-mounted design make it easy to install and use.

$48.00
See listingJerome, US
kcin1169
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100.0%Excellent· 93
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Honeywell THM5320R1000 Redlink Interface Module THM5320R
UsedBuy It NowBest Offer

Honeywell THM5320R1000 Redlink Interface Module THM5320R

Honeywell THM5320R1000 Redlink Interface Module THM5320R From running unit York box

$50.00
Free ShippingVincentown, US
davekumpelhotmail.com
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99.9%Excellent· 4.6k
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Pelican Wireless Systems GW400 - Wireless Extended Range Ethernet Gateway
UsedBuy It Now

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.

$115.82
Free ShippingOakland, US
urbaningots
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99.5%Excellent· 1.1k
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Refurbished Digital Wall Electronic Programmable Thermostat Pro1 IAQ T705
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Seller refurbishedBuy It NowBest Offer

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.

$27.19
Free ShippingKansas City, US
greenyef_comTOP
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99.5%Excellent· 5.3k
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Barber Colman TP-8101-0-0-1 55-85F Solid State Room Controller Kit
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UsedBuy It NowBest Offer

Barber Colman TP-8101-0-0-1 55-85F Solid State Room Controller Kit

Shows signs of wear from use. John Deere.

$49.99
Free ShippingAshaway, US
instockmotorsportsTOP
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99.9%Excellent· 135.5k
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Google Nest Learning Thermostat 3rd Gen A0013 Kit Base Plate Screws Tools
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UsedBuy It NowBest Offer

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.

$59.49$69.99-15%

You save $10.50

+$4.99Wilmer, US
stevetimesellsstuffTOP
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99.8%Excellent· 819
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Daikin BRC944B2 wired remote controller kit  USED
UsedBuy It NowBest Offer

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.

$60.00
Free ShippingBerthoud, US
coloradooverflowsolutions
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100.0%Excellent· 3.2k
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Unbranded Water Furnace Harness-Comp In Red-Blk-Blu 11P781-08
UsedBuy It Now

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?.

$42.53
+$4.95Salt Lake City, US
cacsalesllc
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99.6%Excellent· 85.9k
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Honeywell T775B2024 Temperature Controller 24VAC
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UsedBuy It Now

Honeywell T775B2024 Temperature Controller 24VAC

$166.73$185.25-10%

You save $18.52

Free ShippingVancouver, US
freedom*resourcesTOP
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100.0%Excellent· 11.8k
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Powers Line Voltage Heating Thermostat 134-1026 Vintage Used
UsedBuy It NowBest Offer

Powers Line Voltage Heating Thermostat 134-1026 Vintage Used

Powers line voltage heating thermostat working when removed from service

$13.00
See listingSunman, US
dwhdwh.9owfjx6u
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100.0%Excellent· 51
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Carrier TP-PAC01  Comfort Series Programmable Thermostat
UsedBuy It NowBest Offer

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.

$100.00
See listingHuntsville, US
dank740
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100.0%Excellent· 526
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Carrier Infinity Touch Programmable Thermostat White SYSTXCCITN01-A
UsedBuy It NowBest Offer

Carrier Infinity Touch Programmable Thermostat White SYSTXCCITN01-A

Carrier Infinity Touch Programmable Thermostat White SYSTXCCITN01-A

$75.00
See listingManahawkin, US
hvacplumb_15
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100.0%Excellent· 2
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(50 PC) IEC Programmable 7 Day Thermostat For 2 Or 4 Pipe Fan Coil Systems EO55
UsedBuy It NowBest Offer

(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.

$499.00
See listingBronx, US
sale-all79
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100.0%Excellent· 108
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Distech ECYSTATFWWB ECLYPSE Thermostat Fan Coil Unit FCU 4UI 5DO 3DUO G2U
-70%
For parts or not workingBuy It Now

Distech ECYSTATFWWB ECLYPSE Thermostat Fan Coil Unit FCU 4UI 5DO 3DUO G2U

Check item specifics and photos to ensure you make the perfect choice.

$135.00$450.00-70%

You save $315.00

See listingBensenville, US
shipcycle
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97.2%Good· 50.9k
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GENUINE HONEYWELL T631A 1006 FARM-O-STAT TEMPERATURE CONTROLLER 35-100°F
UsedBuy It NowBest Offer

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

$75.00
Free ShippingWayland, US
wrdavison
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99.8%Excellent· 2.7k
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Price Industries Intelligent Controller PIC Thermostat PCT Occupancy  250051-100
-25%
UsedBuy It NowBest Offer

Price Industries Intelligent Controller PIC Thermostat PCT Occupancy 250051-100

$19.49$25.99-25%

You save $6.50

Free ShippingWest Middlesex, US
section8cubby
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99.9%Excellent· 8.8k
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Stemco,102B,Thermostat
UsedBuy It NowBest Offer

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!

$32.00
See listingGalion, US
surplusassetholdingsinc
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100.0%Excellent· 11.0k
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RITTAL SK3110 TEMPERATURE CONTROL UNIT  (See Description)
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For parts or not workingBuy It Now

RITTAL SK3110 TEMPERATURE CONTROL UNIT (See Description)

$23.52$29.40-20%

You save $5.88

Free ShippingNewnan, US
jimjim.2007TOP
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99.9%Excellent· 4.9k
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Powers TH832 Direct Acting Pneumatic Thermostat
UsedBuy It Now

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.

$24.99
Free ShippingWest Branch, US
mrsreporon
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99.6%Excellent· 52.8k
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JOHNSON CONTROLS A19ADB-1 Line Volt Mechanical Tstat
UsedBuy It Now

JOHNSON CONTROLS A19ADB-1 Line Volt Mechanical Tstat

In very good condition

$60.00
+$16.10Lakeside, US
sdiws2025
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99.5%Excellent· 897
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RobertShaw Chromalox 300-048518-012 D1/D18P Thermostat 0-100F 30A 120/277VAC
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UsedBuy It NowBest Offer

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

$214.95
Free ShippingPortland, US
mlindustrialincTOP
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100.0%Excellent· 13.8k
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tekmar 560 Digital Non-Programmable Heat-Off Wall-Mounted Thermostat Lot of 10
UsedBuy It NowBest Offer

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.

$65.00
See listingAnsonia, US
g-man1989
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100.0%Excellent· 36
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