Detectors & Sensors

The average price for current category was $135.90 last month.

There are 4271 ads in this category.

AQUAGUARD AG-1100 E Secondary Pan Sensor - Metal Pans - NIB

Aquaguard ag-1100 e secondary pan sensor - metal pans - nib

  • Naples, Florida, United States
  • Aug 24th
AQUAGUARD AG-1100 E Secondary Pan Sensor - BRAND NEW SEALED
Trane / Kavlico pressure transducer P592-5038

Trane / kavlico pressure transducer p592-5038

  • Friendship, Wisconsin, United States
  • Aug 23rd
Trane / Kavlico pressure transducer P592-5038. Out of working system, several available.
Factory Authorized Parts  LH 33WZ 512  Ignitor with Lockout   NEW

Factory authorized parts lh 33wz 512 ignitor with lockout new

  • Minneapolis, Minnesota, United States
  • Aug 23rd
Factory Authorized Parts LH 33WZ 512 Ignitor with Lockout NEW. Box shows a bit of shelf wear but item is new. LOC Rack 3C
Carrier Remote Zone Sensor - Wired

Carrier remote zone sensor - wired

  • Denver, Colorado, United States
  • Aug 23rd
Carrier Remote Zone Sensor - Wired. Condition is "New". Shipped with USPS First Class.
47-22861-01 - Rheem OEM Furnace Replacement Limit Switch L350

47-22861-01 - rheem oem furnace replacement limit switch l350

  • Phoenix, AZ, United States
  • Aug 23rd
47-22861-01 - Rheem OEM Furnace Replacement Limit Switch L350 This is a Brand New OEM Furnace Replacement Limit Switch This is a Brand New OEM Furnace Replacement Limit Switch Top Qualty OEM Replacement Part! L350
Liebert LT410 Rev 10 Liqui-Tec Point Water Dectection Sensor 24V~5060HZ

Liebert lt410 rev 10 liqui-tec point water dectection sensor 24v~5060hz

  • Dallas, Texas, United States
  • Aug 23rd
Liebert LT410 Rev 10 Liqui-Tec Point Water Dectection Sensor 24V~5060HZ
Carrier Bryant Airflow Sensor Board 1081-83-3F CES0130028-00 1081-1 (173)

Carrier bryant airflow sensor board 1081-83-3f ces0130028-00 1081-1 (173)

  • Osseo, Minnesota, United States
  • Aug 22nd
You are buying a used Carrier Bryant Airflow Sensor Board. This board was pulled from a working unit. The board will come as pictured in good working condition.
VERTIV LT410 Liqui-tect Sensor Liebert

Vertiv lt410 liqui-tect sensor liebert

  • Oneonta, Alabama, United States
  • Aug 22nd
VERTIV LT410 Liqui-tect Sensor Liebert Brand new, opened box to take pictures. I do not accept returns. Message me questions.
Siemens QAM2032.250 Temperature Sensor, Duct, Averaging

Siemens qam2032.250 temperature sensor, duct, averaging

  • Wooster, Ohio, United States
  • Aug 22nd
Order the Siemens QAM2032.250 Temperature Sensor today. We offer fast and free shipping on this item, so why pay extra for slow shipping? With varying lengths of up to 24 feet and a range of output signals available, these duct temperature sensors are compatible with any HVAC control system.
Servicefirst Progammable Zone Sensor X13790884-01 Baysens119A

Servicefirst progammable zone sensor x13790884-01 baysens119a

  • Plainfield, New Hampshire, United States
  • Aug 22nd
Servicefirst Progammable Zone Sensor X13790884-01 Baysens119A.
SIEMENS QAA2012 Room Temperature Sensor.

Siemens qaa2012 room temperature sensor.

  • Doha, Qatar
  • Aug 22nd
SIEMENS QAA2012 Room Temperature Sensor.See the Pictures before Order. You will get all what you see in the pictures.
Lochinvar PLT3023 Flame Sensor And Gasket Kit 100165931

Lochinvar plt3023 flame sensor and gasket kit 100165931

  • Ellington, Connecticut, United States
  • Aug 22nd
Lochinvar PLT3023 Flame Sensor And Gasket Kit 100165931.
Navien Outdoor Temperature Sensor OTS-01 (ncb) 32029bvpav19130398

Navien outdoor temperature sensor ots-01 (ncb) 32029bvpav19130398

  • North Scituate, Rhode Island, United States
  • Aug 22nd
With the Navien OTS-01, you can better regulate your heating and cooling systems to ensure they're operating at optimal levels. Get yours today and start taking control of your indoor climate! This innovative device helps improve your HVAC system's efficiency by providing real-time data on external temperatures.
5x Navien Outdoor Temperature Sensor OTS-01 (NCB) Lot Of 5

5x navien outdoor temperature sensor ots-01 (ncb) lot of 5

  • North Scituate, Rhode Island, United States
  • Aug 22nd
5x Navien Outdoor Temperature Sensor OTS-01 (NCB) Lot Of 5.
SmartZone-2X : 2 Zone HVAC Controller KIT w/Temp Sensor; Dual climate control...

Smartzone-2x : 2 zone hvac controller kit w/temp sensor; dual climate control...

  • Walnut, California, United States
  • Aug 21st
SmartZone-2X : 2 Zone HVAC Controller KIT w/Temp Sensor; Dual climate control to replace Honeywell, EWC, Zonefirst, Zonex, Durozone & more Description SmartZone is the smart choice ECOJAY SmartZone residential & light commercial zoning Controllers are Easily configurable to satisfy a wide range of application and equipment requirements. Simple installation and setup make smartzone perfect f
Trane Temp Sensor SEN00226

Trane temp sensor sen00226

  • Riverside, Illinois, United States
  • Aug 21st
For sale, qty-1 Trane Temp Sensor SEN00226. New and unused but is old stock. Free shipping is included.
honeywell sensor/controller

Honeywell sensor/controller

  • Snellville, Georgia, United States
  • Aug 21st
This listing is for one item, we have 3 total. Originally sells for at least $221 we have 3 left over. Non-dispersive Infrared (NDIR) Carbon Dioxide Sensor w/ LCD Display, Wall Mount The Carbon Dioxide (CO2) Sensors and Controllers are stand-alone carbon dioxide (CO2) sensors for use in determining ventilation necessity with HVAC controllers.
ROBERTSHAW 2374-495 Pressure Sensing Switch,.25-1.0

Robertshaw 2374-495 pressure sensing switch,.25-1.0

  • Minooka, Illinois, United States
  • Aug 21st
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**OEM**  Honeywell C554a1463 Flame Sensor, R Calcium Sulfide, Super Tradeline

**oem** honeywell c554a1463 flame sensor, r calcium sulfide, super tradeline

  • Midlothian, Virginia, United States
  • Aug 21st
**OEM** Honeywell C554a1463 Flame Sensor, R Calcium Sulfide, Super Tradeline. New in box with instructions. Please see pictures for fitment details on box.

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