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OEM Honeywell C554A1463 Cadmium-Sulfide Flame Detector with 60 in Leads

$ 11.58 $ 6.94

Warrick Controls Gems Sensors Relay 16MC1A0 A.C. Line 120 Vac

$ 43.99 $ 26.39

Triangle Tube PTCON22 ProtoNode Bacnet FPC-N34 For Triangle Boilers

$ 669.88 $ 401.92

Siemens Qaa2232.Fwsn Room Temperature Sensor,Oled,Bacnet

$ 96.47 $ 57.88

Siemens Txa1.k24 Address Keys Brand New Free Shipping

$ 39.55 $ 23.73

Honeywell C7023B2013 10K ohm NTC Type III Duct Temperature Sensor, 12 in.Operati

$ 30.79 $ 18.47

Siemens Qaa2230.Fwsn Room Temperature Sensor,Oled

$ 143.75 $ 86.25

GOODMAN HOT SURFACE IGNITER 0230K00001 FOR FURNACES FROM 1992 TO PRESENT

$ 50.6 $ 30.36

BARBER COLMAN TKS-4032-0-1 Pneumatic Bulb Transmitter / NOS

$ 145.15 $ 87.09

Lumenite Control Technology, Inc. Wfltv-Dm-2011 Din Mount Level Control,1

$ 389.02 $ 233.41

Lumenite Control Technology, Inc. 3Daft2 Liquid Level Probe,12, 18 And24 In,2 In

$ 284.36 $ 170.61

Siemens RS540-Electronic Room Sensor, color Stpt SB1-2147 White - New!!!

$ 10.55 $ 6.33

Johnson Controls TE-6311M-1 Duct Probe Temperature Sensor, 1k Nickel Sensor, 8".

$ 13.8 $ 8.28

Protech 62-24044-71 Remote Flame Sensor Kit 622404471

$ 11.44 $ 6.86

Siemens QFA3000.DBU Room Humidity Sensor Relative Humidity 2-Percent Accuracy...

$ 79.15 $ 47.49

TRANE Pressure Transducer 4190-5051 S 12-40 VDC O 4-20mA

$ 30.8 $ 18.48

Waste Oil Heater Part Backflow Sensor 5 PRONG Relay 134-20203-301, #102385

$ 27.28 $ 16.36

Honeywell C7250A1001 Temperature Sensor

$ 8.79 $ 5.27

ACI Auomation Components A/CP-I-4"-GD 10k Thermistor Sensor 4" Immersion 123394

$ 17.59 $ 10.55

50HJ442730 Carrier Hall Effect Sensor OEM 50HJ442730

$ 27.23 $ 16.34

NEW TALENTUM 16783P FLAME FLICKER SENSOR

$ 748 $ 448.8

HONEYWELL INTERMITTENT PILOT BURNER IGNITOR-SENSOR Q345A1305 Style A STRAIGHT

$ 43.99 $ 26.39

Lennox 62K50 Flame Sensor Kit for 80MGF/ G24/ G25 Series LB-79982C

$ 105.59 $ 63.35

Triangle Tube FHETTP3-20 20 Plate 1" Threaded TTP Brazed Plate Heat Exchanger

$ 523.27 $ 313.96

FIREYE EUV1 ULTRA VIOLET FLAME AMPLIFIER MODULE

$ 83.6 $ 50.16

Yellow Jacket 40815 Refrigeration System Analyzer with Hoses and Leads Excellent

$ 382.8 $ 229.68

Appleton Incandescent Lighting Fixture Explosion Proof CJB100H-MT 10/00 FK24

$ 58.66 $ 35.19

NEW NOS WHITE RODGERS 3098-134 AUTOMATIC PILOT 48" INCH MERCURY FLAME SENSOR

$ 131.99 $ 79.19

moore square root extractor

$ 17.6 $ 10.56

Diversitech SOS-1 safety overflow switch

$ 17.6 $ 10.56

USED HONEYWELL 120VAC FLAME DETECTOR C7012E1278

$ 440 $ 264

Vaisala HMP233 Humidity and Temperature Transmitter AS IS

$ 61.55 $ 36.93

DiversiTech SOS-1 Safety Overflow Switch 24VAC, 1.25 Amp Load, SPST NC “NEW”

$ 15.83 $ 9.49

NEW, TRANE, SERVICE FIRST,X13790492-01,REV. B,WIRELESS ZONE SENSOR,SEN01364(1i-3

$ 70.39 $ 42.23

NEW HONEYWELL C7061A-1038 UV FLAME DETECTOR C7061A1038

$ 792 $ 475.2

JOHNSON CONTROLS TE-6100-1 Temperature Sensor TE-1100-16

$ 39.6 $ 23.76

NEW JOHNSON CONTROLS TE-6100-962 SILICON DUCT TEMPERATURE SENSOR -40 - 216 DEG F

$ 21.99 $ 13.19

50021579-001 Honeywell Std T775Sensor,Notforuornema 4 OEM 50021579-001

$ 68.59 $ 41.15

Johnson Controls TE-6316P-1 Averaging Temp Duct Sensor Ships Day of Purchase

$ 43.12 $ 25.87

New Mars 91321 24v 2-Pole 30A Condenser Definite Purpose Contactor Relay

$ 14.2 $ 8.52

Johnson Controls TE-6100-962 - Silicon Duct-Temperature Sensor Assembly - NOS

$ 17.94 $ 10.76

Tekmar 079 079 Slab Sensor 10' Cable

$ 60.08 $ 36.05

Thermo King 40-491 Universal Sensor Kit

$ 123.2 $ 73.92

TRANE X13790464-010 SEN01280 REV:B Digital Display Zone Sensor New

$ 7.04 $ 4.22

OEM Upgraded Replacement For Furnace Hot Surface Ignitor / Igniter 0130F00008S

$ 52.39 $ 31.43

Siemens 540670A wall sensor lot of 5 and spare board.

$ 48.4 $ 29.04

Siemens Building Technology Qah11.1 - Changeover/Remote Sensor

$ 22.87 $ 13.72

Carrier-Automated logic Sensor- ZS-ALC

$ 29.92 $ 17.95

Lot of 2 Trane X19091222 / 6400-2462-01 Rev. B Wireless zone sensor used

$ 35.2 $ 21.12

Thermo King RPM Sensor Brand New 44-9298 449298 RPM SENSOR ORIGINAL FAST SHIP

$ 78.32 $ 46.99

Trane X19091222 / 6400-2462-01 Rev. A Wireless zone sensor used

$ 8.8 $ 5.28

Johnson Controls A99BA-200 - SiliconSnsr 6.5ft shieldcable

$ 40.47 $ 24.28

Siemens Building Technology 544-973 - 1000 Ohm Wall Plate Sensor

$ 26.39 $ 15.83

HONEYWELL C7772F1004 - Wall Mnt Temp Sens W/O Logo

$ 32.55 $ 19.53

OEM Trane SEN01577 Programmable Zone Sensor BAYSENS119A X13790884-01 NIB

$ 192.72 $ 115.63

Lumenite Control Technology, Inc. Wfltv-Sm-2011 Octal Socket Level

$ 389.02 $ 233.41

Lot Of 6 Siemens Temp Sensors Qam2030.010

$ 43.95 $ 26.37

Lot of 8 Siemens 536-811 Duct TEC Temperature Sensor 100K Ohm Thermistor

$ 57.2 $ 34.32

1PC SEN02133 Trane temperature sensor

$ 138.24 $ 82.94

TRADE PRO CONDENSATE DRAIN LINE SWITCH TP-CS2

$ 8.82 $ 5.29

Mitsubishi Ductless Indoor PKA-A36FA Controls, Sensors, Vane Motor.

$ 92.4 $ 55.44

HH 79NZ 053 Carrier Factory Authorized Parts Cable Sensor A66

$ 19.46 $ 11.67

Schmersal SLC440-R0970-30-01 Safety Light Curtain Receiver

$ 319.77 $ 191.86

NIB Siemens Pressure reducing valve-single pressure 3-35 psi 1 year warranty

$ 175.99 $ 105.59

Johnson Controls TE-6363P-1 - 3" OutdoorAirThermistorSensor

$ 43.11 $ 25.86

Modus Industruments, Inc. T3006E015017 Pressure Transmitter Range 0-2" of Water

$ 39.6 $ 23.76

Honeywell RedLINK Wireless Outdoor Sensor C7089R1013

$ 59.83 $ 35.89

Honeywell C7046D1008 Platinum 1000 Discharge Sensor

$ 44 $ 26.4

Triangle Tube PARKIT79 Gas Valve Replacement PA299/399

$ 239.03 $ 143.42

Lumenite Control Technology, Inc. 2Daft2 Liquid Level Probe,12 And 24In,2In

$ 221.76 $ 133.05

Honeywell Discharge Air Sensor C7100C 1003

$ 48.4 $ 29.04

OEM YORK SOURCE 1 SETRA PRESSURE SENSOR S1-03109134000 2651005WDABT1C NEW

$ 52.71 $ 31.62

CARRIER AIR SENSOR TEMP & HUMIDITY OUTSIDE - # HH57AC081 FREE SHIPPING!!

$ 52.8 $ 31.67

Nordyne Intertherm Fasco OEM Inducer Blower Motor Assembly 902977

$ 171.6 $ 102.96

Polaris 6905055 Thermostat Sensor / E.C.O

$ 108.47 $ 65.08

Johnson Controls HT-6702-0N00W Wall mount humidity transmitter

$ 87.12 $ 52.27

NIB Carrier 33CSSEN-01 - Digital Remote Temperature Sensor

$ 57.19 $ 34.31

Lot of 3 RANCO Digital Cold Temperature Control New

$ 276.25 $ 165.75

Lot of 4 RANCO Digital Cold Temperature Control New

$ 365.06 $ 219.04

Yellow Jacket 69371 Replacement Combustible L.D. Sensor

$ 28.41 $ 17.04

NEW WAKO TOUCH SENSOR SYSTEM TSA-3G AMPLIFIER 169J

$ 75.23 $ 45.14

ACI A/RH1-D Relative Humidity Transmitter Duct Mount

$ 57.2 $ 34.32

Carel Spa URKSL00004 Water Level Sensor for Carel HeaterSteam UR

$ 86.8 $ 52.08

A-605-DWYE DWYER KIT AIR FILTER PACKAGE

$ 9.68 $ 5.8

FIREYE DE601-104F BASE SCANNER *NEW

$ 352 $ 211.2

Honeywell C7035A1064 Burner Flame Detector U.V. Ultraviolet Sensor

$ 169.84 $ 101.9

NEW MACOME CORP FS-1439 FSD1439 MAGNETIC SENSOR ASSEMBLY

$ 539 $ 323.39

S1-02426043000 - OEM Upgraded Replacement for Luxaire Blower Motor

$ 114.4 $ 68.64

Rheem 62-23543-01 Flame Sensor Rod for Rheem, Ruud and Weatherking Furnance

$ 4.4 $ 2.64

Jci Johnson Wall Mount Sensor He-6863-1n00ws Brand New In Box

$ 35.15 $ 21.09

Dolan Jenner SS950-36000 Safe Scan 9 Safety Light Curtain Transmitter & Receiver

$ 248.7 $ 149.22

Honeywell T2040na Self-Contained Control With Sensor

$ 45.83 $ 27.5

ICP 1071675 Low Ambient Kit

$ 43.99 $ 26.39

IDEC SA1K-FAN7 FULL COLOR MARK SENSOR with SA1K-TF3 FIBER OPTIC CABLE

$ 219.99 $ 131.99

FIREYE 45UV5-1000 USED

$ 527.99 $ 316.79

Triangle Tube PARKIT17 Gas Valve Kit for PA80/110 For Triangle Boilers

$ 138.8 $ 83.28

Zone Differential Pressure Transmitter ALC ZPS-05-SR01-EU-ST-D New with Probe

$ 77.44 $ 46.46

Honeywell Solid State Enthalpy Control Economizer HH57AC077

$ 131.99 $ 79.19

Danfoss 060G3990 / AKS 32 Pressure Transmitter, 0-200PSI Used Cut Out A6

$ 66 $ 39.6

Setra DPT2640-005D Pressure Differential Sensor 2641005WD2DA1D 0-5.0" WC New

$ 87.12 $ 52.27