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1149856 Honeywell Q3450C1045 Smart Valve Sensor Ignitor

$ 79.19 $ 47.51

SIEMENS QRI2A2.B180B Infrared Burner Flame Detector Front Facing Sensor.

$ 145.19 $ 87.11

Yellow Jacket 69064 Sensor for 69060 And 69063

$ 133.19 $ 79.91

Duct Relative Humidity Sensor, 0-100% , 2% Acc., 24 AC/DC in, 0-5 VDC Out, NEW

$ 35.2 $ 21.12

WattMaster Auto Zone 2 Controls Room Sensor OE213-02 YS101858

$ 30.8 $ 18.48

New in box Honeywell C7061A1012 Flame Sensor C7061A 1012 One year warranty

$ 853.6 $ 512.16

C7035A1080 Honeywell Uv Minipeeper W/600F 6'Leadwre OEM C7035A1080

$ 498.91 $ 299.34

NEW SOURCE1 / YORK S1-02517620014 REFRIDGERATOR PRESSURE CONTROL FREE SHIPPING

$ 12.76 $ 7.65

Nordyne Intertherm Fasco OEM Inducer Blower Motor Assembly 621949

$ 171.6 $ 102.96

American Ultraviolet Co. Part# CC18-1-120 HVAC Ultraviolet Kit

$ 132.87 $ 79.72

GENUINE YORK 025 42149 000 SENSOR TEMP

$ 175.95 $ 105.57

BAYSEN02ATEMPAA Outdoor Temp Sensor SEN1304 GUARANTEED / RETURNS ACCEPTED

$ 43.12 $ 25.87

TELEDYNE LAARS RE0093200 TEMP. SENSOR

$ 123.2 $ 73.92

Carrier 33ZCSPTCO2-01 CO2 Ventilation Sensor T8100-CA

$ 205.37 $ 123.22

Mamac Systems, Humidity & Temp. Sensor HU-224-3-MA

$ 57.2 $ 34.32

AVU-3-V Air Velocity Transmitter, Duct-Mount, 0-10 VDC Output, ±5% FS Accuracy

$ 154 $ 92.4

STI Mini Safe MS46-20-870-X Light Curtain Sensor Transmitter

$ 355.28 $ 213.16

A-B Allen Bradley T4D0900-N Guard Master Safety Light Curtain 900mm Transmitter

$ 266.46 $ 159.87

Temp Sensor - 1K Nickel OHM w/ Phone Jack, Warmer/Cooler Temp Setpoint TE-67NP-1

$ 44 $ 26.4

KMC THW-1102NW - Wireless temperature & humidity sensor for 902 MHz White - KMC

$ 528.75 $ 317.25

CN4-600 Neutra Safe Condensate

$ 79.2 $ 47.52

Trane BAYSEN02ATEMPAA Outdoor Temp Sensor

$ 12.27 $ 7.36

AAON Incorporated P87930 2 Slot Modular I/O Sub Base Board - WattMaster YS101780

$ 130.24 $ 78.14

HONEYWELL MODEL 972AA2HI-D3P-LF PROXIMITY SENSOR NEW

$ 30.8 $ 18.48

~Discount HVAC~ HK05ZG001 - Carrier Transducer - LBL-2028 - 0-5 Water Column

$ 96.54 $ 57.92

Averaging Temp. Sensor Assembly

$ 176 $ 105.6

Neptronics AROB24TGVH Universal Wall-Mount Controller w/IAQ Sensor NEW FREE SHIP

$ 109.56 $ 65.73

KMC STE-1412 - 12-foot Duct Averaging (Copper) Temp. Sensor (10K Type III) - KMC

$ 195.65 $ 117.39

INVENSYS T150-1046 TEMPERATURE TRANSMITTER

$ 39.6 $ 23.76

Waste Oil Heater Cad Cell Eye Flame Sensor, Fits Most Waste Oil Burners C-10 NEW

$ 7.39 $ 4.43

Dolan-Jenner SS950-48000 Safe Scan 9 Safety Light Curtain Transmitter & Receiver

$ 230.93 $ 138.56

Honeywell C7189R2002-2 2 Pack RedLINK 3.0 Indoor Sensor Works ONLY with THX32...

$ 95.73 $ 57.44

TEKMAR D080 UNIVERSAL SENSOR ENCLOSURE

$ 44 $ 26.4

SCHNEIDER ELECTRIC SE7652B5045P Room Controler

$ 110 $ 66

Rotronic HF56W XMTR HygroFlex HVAC Humidity Transmitter 85-240 VAC

$ 87.99 $ 52.79

Setra Systems SRCMR05WBA1H2B | NEVER USED

$ 88 $ 52.8

Minco 1000 Ohm 375 Platinum Averaging Sensors AVG 50FT 1K OHM 375 RTD DUCT SENS

$ 171.6 $ 102.96

Setra DPT2640-0R1B Very Low Pressure Transducer

$ 34.32 $ 20.59

Novar FTS-4 Futura Temperature Sensor NOS

$ 26.14 $ 15.68

ServiceFirst Trane X13511528-01 Rev A BAYSENS077A Wired Zone Sensor (Lot of 5)

$ 52.79 $ 31.67

LOT OF 3 MAXITROL TS114E DISCHARGE AIR SENSOR 100-2 50F

$ 43.95 $ 26.37

Johnson Controls HL-67N5-8N00P Temperature Humidity Sensor

$ 145.19 $ 87.11

Lochinvar Tasseron Water Temperature Outlet Sensor TSD91AC 29-19 NL

$ 46.72 $ 28.03

NIB HONEYWELL Q347A1012 SINGLE ROD IGNITOR SENSOR 90 DEGREE FREE SHIPPING AP

$ 39.59 $ 23.75

129464M Honeywell Uv Sensingtube 0-250Fnoreturns OEM 129464M

$ 395.07 $ 237.04

KELE & ASSOC SENSOR WITH R.E TECHNOLOGY P100B 0-30 HG AND TSE 282-1208 BOARD

$ 79.2 $ 47.52

Honeywell C7012 UV Flame Detector C7012 E 1112 C7012E1112 120V Used

$ 543.84 $ 326.3

Tekmar 077 Indoor Sensor

$ 83.66 $ 50.19

York 025-27773-700 02527773700 025-27773-000 02527773000 Flame Sensor -New OEM

$ 26.97 $ 16.18

Siemens QPA2000 Room Air Quality CO2 Sensor - New in Box

$ 88 $ 52.8

Johnson Controls JCI TE-631S-1 Temperature Sensor, 1k Nickel, Strap Mount, 3"

$ 10.56 $ 6.33

Automation Components inc ACI WH2630BR Wireless Wall Room Temperature

$ 396 $ 237.6

Y75RJ-1C JOHNSON CONTROLS BASO ELECTRODE SENSOR PROBE 27 KIT

$ 35.15 $ 21.09

STI Mini Safe MS46-20-870-R-FP Light Curtain Sensor Receiver

$ 373.05 $ 223.83

Watlow LF Series Temperature Limit Controller LFC4HW0600AAAAA

$ 64.9 $ 38.94

Trane Comparative Enthalpy Kit - BAYENTH004A w/dual humidity sensors, thermistor

$ 70.39 $ 42.23

Johnson Controls SHL10A-603R Bulb Weather Shield Assembly Penn-Baso SHL10A603R

$ 36.96 $ 22.17

TCS Basys Controls , TS3030, 3-Space Temperature Sensor New Zone 3 Temp

$ 87.12 $ 52.27

Turck Bi20-CK40130-VP4X2-H1141/S1009 Gage Sensor 4283596 JBL Systems DF2GB200-3

$ 137.23 $ 82.34

Honeywell Wall Mount Room Temp Sensor TR23    F/C RELATIVE SETPOINT

$ 35.2 $ 21.12

TACO LTA1203S-2 Low Water Cutoff,NPT,Electronic,NEMA 1

$ 124.6 $ 74.76

Sensor Boiler Return for SMB/SMW 200/250 EBP/ED 110-175 Series Boilers

$ 69.52 $ 41.71

Dolan-Jenner SS950-48000 Safescan 9 Safety Light Bar Curtain Set W/SS930-11010

$ 355.28 $ 213.16

ACCUTHERM ADJUSTABLE ACCUSTAT SENSOR AS-90 t1

$ 52.79 $ 31.67

ATC 6235-B01B01PX Transducer 6235B01B01PX New

$ 87.95 $ 52.77

Automation Components A/CO2-R2L CO2 Carbon Dioxide Detector Wall Sensor ACI New

$ 101.2 $ 60.72

Kele PTX1-05 Stainless Steel Pressure Transmitter 0-30 PSI 4-20 MA

$ 130.89 $ 78.53

HONEYWELL 2AQ04700424 CO2 SENSOR UNIT MOUNT KIT 151199

$ 563.2 $ 337.92

LUMENITE CONTROL TECHNOLOGY, INC. 2DAFT3M Liquid Level Probe 4in

$ 92.35 $ 55.41

Danfoss 013G8562 Remote Setpoint & Sensor - Wall Mount

$ 108.38 $ 65.03

Trane BAYCO2K003B CO2 Sensing Kit Duct Mount New

$ 436.43 $ 261.86

ACCUSTAT TEMPERATURE SENSOR 66 F/18.9 C MERCURY SENSOR

$ 8.79 $ 5.27

ICP 1380679 - OEM Upgraded Furnace Flame Sensor Rod

$ 36.24 $ 21.74

co2 sensors baysen251a

$ 43.12 $ 25.87

Neptronic NF STC8-13 Duct Temperature Sensor

$ 44 $ 26.4

Lot of 7 NIP Schneider ETR102 Room Temp. Sensor

$ 57.2 $ 34.32

Siebe MN-SDT Micronet 2000 U-Link Duct Temperater Transmitter 4"-8" Adjustable

$ 66 $ 39.6

FIREYE NX1040-1 NEXUS SERIES BOILER TEMPERATURE SENSOR NEW IN BOX

$ 572 $ 343.2

HONEYWELL H7012B1O15 ROOM HUMIDITY SENSOR

$ 253 $ 151.79

BARD MV5000 Control Board with Sensor 8612-048 (201218)

$ 330 $ 198

ROBERTSHAW 10-528 INDOOR REMOTE SENSOR

$ 17.59 $ 10.55

TRANE 41904101 VAC02DUCT010 CO2 DEMAND-CONTROLLED VENTILATION DUCT

$ 96.8 $ 58.08

NEW NOT IN BOX SKAN-A-MATIC C32-SKAMP PHOTOELECTRIC SENSOR

$ 104.19 $ 62.51

SETRA 264120 18 Model C264 24VDC 4-20MA Pressure Transmitter

$ 74.8 $ 44.88

SIEMENS QAA2290.FWNC WIRELESS THERMOSTAT SENSOR, WHITE, NIB

$ 87.95 $ 52.77

LENNOX/DUCANE/ARMSTRONG 70°-15°F TEMPERATURE SENSOR 37TV21 102527-01

$ 20.23 $ 12.14

JOHNSON CONTROLS NS-DTN7043-0 NETWORK DISCHARGE AIR SENSOR

$ 79.15 $ 47.49

**NEW IN BOX** ROBERTSHAW 3411-091 / DS11-1528 DE-ICE SENSOR CONTROL

$ 55.43 $ 33.25

Carel Temperature And Humidity Wall Mounted Sensor-DPWC112000

$ 61.6 $ 36.96

NEW, KELE, GMT-H2-S2, HYDROGEN SENSOR IN DUCT MOUNT. (14F-2)

$ 330.83 $ 198.5

VERIS INDUSTRIES TIWD1D0 IMMERSION SENSOR WITH WELL 8" 10K

$ 17.59 $ 10.55

FC1000B1001 Control Box Honeywell Flame Detector Controller Replace R4343D1017

$ 148.72 $ 89.23

HONEYWELL SATRONIC MZ 770 S PHOTO RESISTOR PLUG-IN, WITH JACK 50001 (10 Pcs)

$ 43.12 $ 25.87

Aaon OE217-00 Digital Room Temp Sensor OEM (Wattmaster)

$ 175.12 $ 105.07

Duct Relative Humidity Sensor, 0-100% , 2% Acc., 24 AC/DC in, 0-5 VDC Out, NEW

$ 35.2 $ 21.12

LIEBERT LT410 REV 10 LIQUI-TECT POINT SENSOR 24V~50/60HZ 0.1A, 3VA *New*

$ 66 $ 39.6

Schneider Electric SXWSATXXXSLX Temperature Sensor for SmartX Controllers

$ 57.19 $ 34.31

Setra Pressure Transducers DPT2640-005D

$ 96.8 $ 58.08

SSE-1002 Kreuter 8"Insert;3-Wire Veloc.Sensor OEM SSE-1002

$ 176.83 $ 106.1

T.A.C. Invensys MN-S3-500 Sensor w/ Adjustable Set Point & Override in Off-White

$ 30.79 $ 18.47