Detectors & Sensors

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

There are 4271 ads in this category.

Flame Sensor Rheem Part # 62-23543-01

Flame sensor rheem part # 62-23543-01

  • Cleveland, Ohio, United States
  • Jan 29th
New in box flame sensor 62-23543-01
Precon Model ST-U Universal Mount Sensor - ST-U3-XL9

Precon model st-u universal mount sensor - st-u3-xl9

  • Landenberg, Pennsylvania, United States
  • Jan 29th
The Precon Model ST-U Universal Mount Sensor from PreCon provides precise remote temperature sensing in multiple applications such as duct, OSA, and immersion installations for Building Automation Systems, BAS. The active sensing element is a highly stable precision thermistor material or platinum RTD. The sensing element is sealed with a thermally conductive compound in a 4-7/8" (12.38 cm) long stainless steel probe and is attached to a 2.5" (6.35 cm) square enclosure.
Protech remote flame sensor kit 62-24044-71

Protech remote flame sensor kit 62-24044-71

  • Camano Island, Washington, United States
  • Jan 29th
New old warehouse stock- Protech remote flame sensor kit 62-24044-71 Please make sure this is what you need prior to bidding. Don't miss out. Check out my other listings for more great deals from JSF Industrial!
NEW WHITE-RODGERS UNIVERSAL THERMOCOUPLE 30"

New white-rodgers universal thermocouple 30"

  • Whitesboro, New York, United States
  • Jan 29th
Packaging has been cut down but thermocouple has never been used. Zoom in on the tip and you will see no burn marks. Thanks For Looking!!!!
NEW CHATHAM 24" THERMOCOUPLE REPLACEMENT KIT

New chatham 24" thermocouple replacement kit

  • Whitesboro, New York, United States
  • Jan 29th
Brand New in Package. Thanks for Looking!!!!!
NEW CHATHAM 36" THERMOCOUPLE REPLACEMENT KIT

New chatham 36" thermocouple replacement kit

  • Whitesboro, New York, United States
  • Jan 29th
Brand New in Package. Thanks for Looking!!!!!
NEW CHATHAM 48" THERMOCOUPLE REPLACEMENT KIT

New chatham 48" thermocouple replacement kit

  • Whitesboro, New York, United States
  • Jan 29th
Brand New in Package. Thanks for Looking!!!!!
Trane X13511527-01 Trane 10k Wired Zone Sensor

Trane x13511527-01 trane 10k wired zone sensor

  • El Sobrante, California, United States
  • Jan 29th
Slightly used Trane 10k Sensor.
Product Preservers Water Heater Thermostat, 40832-1, Fits A.O. Smith, New

Product preservers water heater thermostat, 40832-1, fits a.o. smith, new

  • Hawley, Pennsylvania, United States
  • Jan 29th
Single Pole-Double Throw Upper Thermostat With Hi-Limit Control. I bought this for my water heater but ended up replacing it with a tankless. Never been opened, still in original packaging
NEW CPS LSXVF Replacement Water Vapor Filter for LS780A & LS790A PRO SET S-187

New cps lsxvf replacement water vapor filter for ls780a & ls790a pro set s-187

  • Eaton Park, Florida, United States
  • Jan 29th
BRAND NEW IN PACK.. 2 TIPS TOTAL Description: For use with CPS LS780A and LS790A Description: Replacement Water Vapor Filter for LS780A & LS790A; Mfg. #: LSXVF; WE HAVE OTHER PICTURES IF YOU THERE IS ANY THAT YOU WOULD LIKE.
Magnetrol Model No. 910-A1A0-004

Magnetrol model no. 910-a1a0-004

  • Athens, Tennessee, United States
  • Jan 29th
This is a Magnetrol Model 910-A1A0-004 Input 120 Vac Output 10A DPDA I bought this at an estate sale with some plumbing and electrical supplies. It is used. So I am selling it as is.
Sensor, Coil Yellow Sen00266 Trane 73" and 75"

Sensor, coil yellow sen00266 trane 73" and 75"

  • Shawnee, Kansas, United States
  • Jan 29th
Sensor, Coil Yellow Sen00266 Trane 73" and 75" wire lengths Not sure what this goes to but less than half the price of parts suppliers. Thanks for looking.
Honeywell C7089u 1006 outdoor temperature sensor

Honeywell c7089u 1006 outdoor temperature sensor

  • Camano Island, Washington, United States
  • Jan 29th
New old warehouse stock- Honeywell C7089u 1006 outdoor temperature sensor. Please make sure this is what you need prior to bidding. Don't miss out.
37311428700 (373-11428-700) York Coleman OEM Outdoor Ambient Sensor Kit (00151)

37311428700 (373-11428-700) york coleman oem outdoor ambient sensor kit (00151)

  • Greensboro, North Carolina, United States
  • Jan 29th
NEW & UNUSED ITEM. OPENED ONLY TO OBTAIN PHOTOS. Some writing is on the carton.
White Rodgers 3098-134 Mercury Flame Sensor (Bulb Style #19), 3098134

White rodgers 3098-134 mercury flame sensor (bulb style #19), 3098134

  • Plainview, New York, United States
  • Jan 29th
WHITE RODGERS 3098-134 MERCURY FLAME SENSORS
HONEYWELL LP914A-1052-2 INSERTION TEMP SENSOR 40-240 F 6.5" ELEMENT  NEW

Honeywell lp914a-1052-2 insertion temp sensor 40-240 f 6.5" element new

  • Chillicothe, Ohio, United States
  • Jan 29th
New in box Honeywell temperature sensor LP914A 1052 2 Operating temperature: 40 - 240 F (5 - 115 C) Length of element: 6 1/2"
Ignition Sensor  50HJ 401 431 Carrier/Bryant

Ignition sensor 50hj 401 431 carrier/bryant

  • Hugo, Minnesota, United States
  • Jan 29th
Ignition Sensor 50HJ 401 431 Carrier/Bryant Used but works fine
Honeywell C7189U1005 Indoor Remote Sensor for VisionPRO Thermostats

Honeywell c7189u1005 indoor remote sensor for visionpro thermostats

  • Pottstown, Pennsylvania, United States
  • Jan 29th
Overview The Remote Indoor Temperature Sensor is used to sense temperature remotely.
Honeywell  Tradeline oil burner stack relay

Honeywell tradeline oil burner stack relay

  • Sevierville, Tennessee, United States
  • Jan 29th
For sale is a Honeywell Tradeline, RA 117 A, oil burner stack relay. The box is labeled Factory Replacement Exchange Control, 120 volts, 60 cycles. This item came from my father in-laws estate and is in the original box.

By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.

Accept All Cookies