HVAC Sensors
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12,845 Results
OEM Genuine TRANE SEN02133 X13650726100 Temperature Sensor SEN2133 X13651507-03
$79.94or Best OfferFree shippingSS2 style Low Voltage Condensate Safety Switch 3/4 PVC Float Switch DIY/HVAC
$18.00Free shipping73 soldTrane SEN02076 Reliatel Non-Programmable Wired Display Zone Sensor
$39.99Free shipping305 soldTrane Programmable Zone Sensor BAYSENS019C
$199.99or Best Offer$4.38 shippingSAFE-T-SWITCH MODEL SS2 Condensate Overflow Shut Off Switch
$18.00or Best OfferFree shippingOnly 1 left!SmartZone-4X Control :4 zone controller KIT w/Temp sensor - Universal Replac..
$229.00Free shipping56 soldCarrier HH79NZ086 THERMISTOR. New & Free Shipping
$41.00Free shippingOnly 1 left!Johnson Controls / York 025-41756-003 Pressure Transducer
$185.00or Best Offer$5.00 shippingA O Smith Lochinvar 100233938 water heater 2" PVC Sound Suppressor 100158087
$39.99Free shippingLennox 93J53 Return/Discharge Air Sensor
$41.72Free shippingTrane Programmable Zone Sensor BAYSENS019B
$199.99or Best Offer$6.12 shippingDistech Controls TS-RMPX- Temperature Sensor, Stainless Steel Plate, Brand New!!
$19.95or Best Offer$6.95 shippingJohnson Controls TE-68NP-1N00S Wall Mount Temp. Sensor 1K Nickel Modular Jack
$40.00or Best Offer$5.90 shippingOnly 1 left!Broan Bathroom Override 20/40/60 Minute Wall Control VBATHW New IN BOX
$13.50Trending at $16.23eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingJohnson Controls TE-635GV-2 4" Duct Probe Temperature Sensor (Flange Mount)
$7.99or Best OfferFree shippingJohnson Controls, TE-6311P-1, Duct Probe Temp Sensor, New
$34.99$5.95 shippingNew SEALED Fireye 45UV5-1009 Seft Check UV Scanner QTY
$1,000.00Free shippingDwyer Pafs-1007 Averaging Flow Sensor
$39.00or Best OfferFree shippingDistech PS-ADPS01WCPRN *NEVER USED*
$29.99or Best OfferFree shippingHoneywell 54G4401 Enthalpy Sensor, Free Shipping!
$39.99or Best OfferFree shippingRanco 1309007-044 Temperature Sensor, Gray, 22 Gauge Cable
Free Shipping on orders over $75$18.15Was: $18.75$5.00 shipping62 sold2024 UPGRADED DewPoint Transmitter FREE Shipping + FREE 60 Days Returns
$450.00or Best OfferFree shippingQRA2 / QRA2M Burner Flame Sensor Flame UV Detector Flame Photocell probe SIEMENS
$60.63 to $201.48Was: $219.00$25.00 shippingTrane 5000_1.04 CO2 Sensor BAYSENS251A
$85.00$6.15 shippingNew ListingSIEMENS - QFM2101 - 5% DUCT HUMIDITY SENSOR - (5%) 4-20mA - (NEW in BOX)
$32.930 bids$10.98 shippingEnding May 20 at 5:22AM PDT6d 23hHoneywell C7027A1023 Ultraviolet Flame Detector
$150.00Trending at $155.00eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping157 soldGREYSTONE ENERGY SYSTEMS CDD3A100 ROOM CO2 SENSOR BACNET 0-10K NIB
$34.89or Best OfferFree shippingJohnson Controls 4 inch PROBE NS-DTN7043; NETWORK DISCHARGE AIR SENSOR 4 INCH
$50.00or Best Offer$18.05 shippingJOHNSON CONTROLS HX-68P3-0N000U Outside Humidity and Temperature Transmitter
$350.00or Best OfferFree shippingHoneywell C554A1463 Cadmium Sulfide Flame Detector New Sealed Free Shipping
(11)11 product ratings - Honeywell C554A1463 Cadmium Sulfide Flame Detector New Sealed Free Shipping$23.99Trending at $24.96eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.or Best OfferFree shippingResideo YCHW3000W3003 L1 WiFi Water Leak and Freeze Detector and Sensor Cable (3
$154.35Free shipping4 watchingNew Carrier HH57ZC003 Differential Enthalpy Sensor Control Switch 33CSENTHSW
$39.95or Best OfferFree shippingBard 8612-023A MC Control Series Remote Temperature Sensor w/ 35 feet Of Wire
$35.00or Best OfferFree shippingNew Honeywell 545490 Sperian PHD6 Gas Monitor O2 Replacement Sensor 54-54-90
$85.00or Best OfferHoneywell R7849A1023 Flame Amplifier
$200.00Free shipping80 soldLiebert Vertiv LT410 Liqui-Tect Point Sensor Leak Detection 24V 50-60Hz New
$68.99Free shippingC554A1794 Waste Oil Heater Flame Sensor For Reznor 123195 Cleanburn 33116 Lanair
$22.76Estimated delivery dateEst. delivery Thu, May 16278 soldLochinvar PLT3022 Flame Sensor And Gasket Kit For Knight Boilers 100165930
$16.20$5.25 shippingOnly 3 leftIce-O-Matic Thermistor Sump Z 10K Genuine OEM ICE 9041112-01
$39.95or Best OfferFree shippingHoneywell RM7890A1015 On-Off Primary Burner Control
$440.25Trending at $451.30eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping83 soldTrane BAYSENS119A SEN01577 X13790884-01 Zone Sensor NEW
$130.00$5.90 shipping- AquaGuard AG-3180E Micro Pan Sensor New in package free shipping
$15.00Free shippingAquaMotion AMK-ODR Superflow under sink Hot water Circulation For Tankless
$110.00or Best OfferFree shippingHoneywell C7632B1002 CO2 Sensor Control
$299.99or Best Offer$6.12 shippingTrane Wireless Zone Sensor (SEN02263 - BAYSENS202A)
$100.00$4.43 shipping
Top Rated
- Furnace Electode Flame Sensor for Rheem Ruud Weatherking 62-23543-01 Pfs301100% agree - Good value$7.51 New