HVAC Sensors
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12,886 Results
SS2 style Low Voltage Condensate Safety Switch 3/4 PVC Float Switch DIY/HVAC
$18.00Free shipping73 soldOEM Genuine TRANE SEN02133 X13650726100 Temperature Sensor SEN2133 X13651507-03
$79.94or Best OfferFree shippingTrane 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!A O Smith Lochinvar 100233938 water heater 2" PVC Sound Suppressor 100158087
$39.99Free shippingJohnson Controls / York 025-41756-003 Pressure Transducer
$185.00or Best Offer$5.00 shippingTrane Programmable Zone Sensor BAYSENS019B
$199.99or Best Offer$6.12 shippingRanco 1309007-044 Temperature Sensor, Gray, 22 Gauge Cable
Free Shipping on orders over $75$18.15Was: $18.75$5.00 shipping62 soldJohnson Controls TE-68NP-1N00S Wall Mount Temp. Sensor 1K Nickel Modular Jack
$40.00or Best Offer$5.90 shippingOnly 1 left!Lennox 93J53 Return/Discharge Air Sensor
$41.72Free shippingBroan 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 shippingNew SEALED Fireye 45UV5-1009 Seft Check UV Scanner QTY
$1,000.00Free shippingJohnson Controls TE-635GV-2 4" Duct Probe Temperature Sensor (Flange Mount)
$7.99or Best OfferFree shippingDwyer Pafs-1007 Averaging Flow Sensor
$39.00or Best OfferFree shippingJohnson Controls, TE-6311P-1, Duct Probe Temp Sensor, New
$34.99$5.95 shippingResideo YCHW3000W3003 L1 WiFi Water Leak and Freeze Detector and Sensor Cable (3
$154.35Free shipping4 watchingDistech PS-ADPS01WCPRN *NEVER USED*
$29.99or Best OfferFree shippingAAON Incorporated P87930 2 Slot Modular I/O Sub Base Board - WattMaster YS101780
$125.00or Best OfferFree shippingDIVERSITECH CONDENSATE DRAIN LINE CLEANING KIT - CB-2
$219.00$8.00 shipping3 watchingDistech Controls TS-RMPX- Temperature Sensor, Stainless Steel Plate, Brand New!!
$19.95or Best Offer$6.95 shippingTrane 5000_1.04 CO2 Sensor BAYSENS251A
$85.00$6.15 shippingHoneywell 54G4401 Enthalpy Sensor, Free Shipping!
$39.99or Best OfferHoneywell 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 shippingQRA2 / QRA2M Burner Flame Sensor Flame UV Detector Flame Photocell probe SIEMENS
$60.63 to $201.48Was: $219.00$25.00 shippingHoneywell C7632B1002 CO2 Sensor Control
$299.99or Best Offer$6.12 shippingHoneywell R7849A1023 Flame Amplifier
$200.00Free shipping80 soldBard 8612-023A MC Control Series Remote Temperature Sensor w/ 35 feet Of Wire
$35.00or Best OfferFree shippingNew Carrier HH57ZC003 Differential Enthalpy Sensor Control Switch 33CSENTHSW
$39.95or Best OfferFree shippingNew Honeywell 545490 Sperian PHD6 Gas Monitor O2 Replacement Sensor 54-54-90
$85.00or Best OfferLiebert Vertiv LT410 Liqui-Tect Point Sensor Leak Detection 24V 50-60Hz New
$68.99Free shippingTrane 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 shippingLochinvar PLT3022 Flame Sensor And Gasket Kit For Knight Boilers 100165930
$16.20$5.25 shippingOnly 3 leftHoneywell 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 soldAquaMotion AMK-ODR Superflow under sink Hot water Circulation For Tankless
$110.00or Best OfferFree shippingIce-O-Matic Thermistor Sump Z 10K Genuine OEM ICE 9041112-01
$39.95or Best OfferFree shippingHoneywell 207762C Temperature Sensor A-1828
$20.00or Best OfferFree shippingCarrier Products Zone Sensor OEM HH79NZ074 In Sealed Package
$44.99Was: $49.99Free shippingSetra 230 P/N 2301025PB5V11B Wet to Wet Differential Pressure Transmitter
$99.00Free 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