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Air Monitor Corp Veltron II Differential Pressure and Flow Transmitter 24V AC/DC

$ 176 $ 105.6

SIEMENS QFA3000.WU HUMIDITY ROOM SENSOR, WHITE

$ 158.35 $ 95.01

Honeywell TR71-H Zio Wall Module Temperature Humidity Ships Same Day of Purchase

$ 211.2 $ 126.71

NEW IN BOX: Electro Controls, EFS-02, Air Difference Pressure Switch, 0.13/30mb

$ 39.6 $ 23.76

Johnson Controls Temperature Sensor SEN-600-1

$ 50.16 $ 30.09

NEW, VAISALA, HMD112, HUMIDITY & TEMP TRANSMITTER, 100%RH. (22L-2)

$ 210.32 $ 126.19

Heatcraft, Beacon Refrigeration Systems, Temperature Sensor, Controller Sensor

$ 44.45 $ 26.67

Kele HO30K Humidity Transmitter 3% Outside Air RH XMTR H030K

$ 105.59 $ 63.35

Fenwal 22-100001-067 Ignitor Sensor - New

$ 55.06 $ 33.03

HEATWISE 11905105 SU-5 FLAME SENSOR LONG

$ 29.21 $ 17.52

Veris Duct Mounted CO2 Sensor

$ 127.6 $ 76.55

5 VERIS TRAHOB TEMP REMOTE PROBE

$ 39.59 $ 23.75

5 VERIS TRAJOB TEMP REMOTE PROBE

$ 39.59 $ 23.75

LENNOX 51M85 Sensor Eco Sensor for Hm61 Series New in box

$ 52.8 $ 31.67

Keyence SL-C44H-R 24 VDC Light Curtain Receiver W/Cord

$ 175.99 $ 105.59

Chromalox PIT-15 Industrial Thermostat w/Rain-Tight Enclosure 0°-150° F 120/277V

$ 94.16 $ 56.49

Trane Wired Display Temperature Sensor BAYSENS 135A HVAC X13790886-05 Parts

$ 66 $ 39.6

Umbilical Cord for Refrigerant Tank Overfill Sensor, 6', 3 Prong Brad Harrison

$ 26.4 $ 15.83

Honeywell 7125019-002 535-59DV26-303 Probe Sensor

$ 4.48 $ 2.69

SETRA, DPT2641-001D, DIFFERENTIAL PRESSURE TRANSDUCER, 0-1" WC

$ 30.8 $ 18.48

Carrier 33CSPS-02 Pressure Sensor

$ 329.95 $ 197.97

ECLIPSE 10002242-2 SENSOR, FLAME, ELECTRODE NEW IN PACKAGE

$ 44 $ 26.4

Robertshaw 5225-121 High Temperature Limit

$ 61.55 $ 36.93

New ---- Johnson Controls HT-6702-0N00W

$ 30.8 $ 18.48

Winland Electronics HVAC Humid-Alert Humidity Detector HA-1 / 1190 - NEW

$ 43.99 $ 26.39

BAPI Gas Sensors, CO2 Room Sensor Series PN# BA/BS3X-ACD05-Z-LED

$ 149.57 $ 89.74

10K Type III Thermistor Room Sensor (Proliphix)

$ 30.8 $ 18.48

Triangle Tube PTRKIT123 Flue Temperature Sensor 60/110175/250/399 PTE 110 NiB

$ 48.4 $ 29.04

Lot Of 10 PAN CS-3 Flood Prevention Float Switch Condensate Switch Clip (T)

$ 79.2 $ 47.52

Bradford White 239-40918-00 Hot Surface Ignitor & Flame Sensor

$ 100.36 $ 60.21

NEW, SEALED BOX, WRZ-TTP0000-0, WIRELESS MESH SENSOR-TRANSMITTER. (7B-1)

$ 110.83 $ 66.5

Senva Duct RH Thermistor 3% HD-3

$ 246.4 $ 147.84

NEW YAMATAKE HONEYWELL PJ7-T7-903 SENSOR KIT INCLUDES 2 SENSORS PJ7-T7R PJ7-T7E

$ 74.8 $ 44.88

Used EPP101 Schneider Electric Panel Mount Pressure Sensor

$ 131.95 $ 79.17

NEW IN BOX JOHNSON CONTROLS PENN-BASO ELECTRONIC ROOM SENSOR T91BCC-1

$ 176 $ 105.6

ACI RH 1% Duct Outside Transmitter Humidity Temperature Sensor X13790829030 NEW

$ 36.07 $ 21.64

tekmar 070-1 Outdoor Sensor

$ 28.15 $ 16.89

New BKI BKIT0047 Thermistor Probe

$ 110 $ 66

ALC 10K-2-RSO Thermistor 10K @ 77F Blank Logo

$ 35.15 $ 21.09

NEW in box Lennox 87N53 CO2 Ventilation Controller

$ 87.99 $ 52.79

TAPESWITCH, TS-47, SENSING EDGE, 1 FT, 28 VAC/VDC, LOT OF 2, NNB *PZB*

$ 146.71 $ 88.02

New Functional Devices Inc 10 RIBXGA Split Core Current Switch RIB24P RIB21CDC

$ 209.44 $ 125.66

YORK 025-47673-000 3K ohm temperature sensor. Suction, liquid line, eductor temp

$ 83.6 $ 50.16

Kele KCO-R-S-25PPM Carbon Monoxide Sensor KCO51658

$ 87.98 $ 52.78

Johnson Controls TE-6311P-1 Duct Mount Probe New Old Stock -free shipping

$ 59.84 $ 35.9

Siemens Building Technology QFM3100 SENSOR DUCT RH 0-10VDC

$ 210.32 $ 126.19

NNB - Schneider Electric EPD102-LCD Differential Pressure Transmitter

$ 50.11 $ 30.06

Honeywell C7027A-1049 Flame Detector C7027A1049

$ 80.95 $ 48.57

Honeywell C7035A1080 Sensor

$ 108.84 $ 65.3

Honeywell T7750D1004 20K ohm NTC Temperature Wall Module, VAV1 Only, use with W7

$ 64.23 $ 38.53

SEN2039 Trane Fast Response Temp Sensor OEM SEN2039

$ 162.75 $ 97.65

Honeywell 392431 Igniter Sensor Assembly NEW

$ 35.6 $ 21.36

Schneider Electric EPP102 Differential Pressure Sensor Dry (New)

$ 154.87 $ 92.92

SSL Co2 Reliable Controls Smart Space Sensor SSLCO2 SSL-CO2 Building Controller

$ 87.99 $ 52.79

Siemens HVAC Automation Room Temperature Sensor 536-753A - Desert Beige - NOS

$ 87.12 $ 52.27

NOS Veris HD2NVSTK HD Deluxe humidity transmitter 2% accuracy 10k Ω thermistor

$ 307.95 $ 184.77

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

$ 21.99 $ 13.19

S1-031-09130-000 York Controls Outside/Return Air Temp Sensor OEM

$ 72.11 $ 43.26

Danfoss Temperature sensor, AKS 11 084N0005

$ 42.24 $ 25.34

TRANE SEN00249 DUCT TEMPERATURE SENSOR

$ 39.6 $ 23.76

White Rodgers 790-843A1 Universal Flame Sensor

$ 17.59 $ 10.55

SETRA 2651001WD2BT1G 0-1” WC, 24 VDC / 0-5 VDC, Terminal Strip, ±1%

$ 79.2 $ 47.52

NEW HONEYWELL ML7475A1012

$ 66 $ 39.6

Schneider Electric TSMN-57011-850 Room Temperature Sensor NEW IN BOX

$ 26.4 $ 15.83

Trane Service First Wired Zone Temperature Thermostat Sensor SEN01447 - 6-Pack

$ 63.82 $ 38.29

1PCS New Honeywell C7061A 1012 Flame Sensor

$ 979.88 $ 587.92

HL-67N5-8N00P | HUMIDITY DEVICE-FREE SHIPPING

$ 130.23 $ 78.13

1PC Honeywell C7027A 1049 Flame Sensor C7027A1049 New

$ 99.36 $ 59.61

FIREYE EUV1 ULTRA VIOLET FLAME AMPLIFIER MODULE

$ 189.2 $ 113.52

ROBERTSHAW MP50-8601 3450-006 GARD-PAK V MOTOR PROTECTOR W/ DELAY & SHORT SENSOR

$ 219.99 $ 131.99

Honeywell P761A-1064 Pressure Transmitter P761A1064 New

$ 86.24 $ 51.74

Johnson Controls P266snr-2C Pressure Transducer,0 To 754 Psi

$ 80.6 $ 48.36

New Siemens 544-578 -40/240F 1K Ohm Outside Air Temperature Sensor Free Shipping

$ 43.99 $ 26.39

Johnson Controls NS-BTP7001-2 Temperature Sensor 80 X 120 Network Sensor Modular

$ 63.86 $ 38.31

York S1-025-32701-016 - 10K Ohm Temperature Sensor

$ 38.71 $ 23.22

JOHNSON CONTROLS PENN-BASO ELECTRONIC ROOM SENSOR T91BCC-1

$ 74.75 $ 44.85

LOT OF 4 USED KELE DPA-4-10-LCD DIFFERENTIAL PRESSURE TRANSMITTER

$ 79.2 $ 47.52

Honeywell Room Humid-U-Stat HP900A 1004 2

$ 44 $ 26.4

Lochinvar Inlet Water Sensor 100208549

$ 35.19 $ 21.11

Service First SEN01183 Trane Sensor, Assembly-Ambient

$ 87.98 $ 52.78

Alerton 10k Wall Plate Temperature Sensor TS-1101-WA-10-AA

$ 26.39 $ 15.83

Rheem Ruud Weather King Corsaire Furnace Flame Sensor Rod 62-23543-01

$ 6.6 $ 3.95

TRANE X13790099180 Sensor Thermistor Brand NEW

$ 10.56 $ 6.33

Honeywell 50062329-001 10K Discharge/Return Air Sensor

$ 4.4 $ 2.64

Genuine Aprilaire 50 Sensing Relay

$ 31.05 $ 18.63

Carrier HK05ZG018 Electric Transducer

$ 105.6 $ 63.35

NEW Trane Wired Zone Sensor Wall Cover X13511530-01 SEN01450 BAYSENS073A

$ 43.12 $ 25.87

HONEYWELL C7100A1015 DISCHARGE AIR SENSOR

$ 39.6 $ 23.76

Trane Remote Indoor Temperature Sensor ZZSENSAL0800AAB

$ 35.2 $ 21.12

RANCO TEMPERATURE CONTROL RELAY ETC-1120000-000

$ 43.99 $ 26.39

Automation Components A/RH2-CP-R20-10 Space Temp/Humidity Sensor, Free Shipping

$ 122.32 $ 73.39

Honeywell VisionPRO Remote Indoor Sensor C7189U1005

$ 37.83 $ 22.69

SOLENOID JOHNSON CONTROLS 3 WAY VALVE V11HAA-115 13-25 PSI HIGH LIMIT NEW

$ 52.79 $ 31.67

American Ultraviolet Co. Part# TNKAA0001 Tube Guard Ultraviolet 120V 60HZ

$ 44 $ 26.4

ACT PTA Pulse Width Modulated Input to Analog Current or Voltage Output

$ 61.55 $ 36.93

HTP 7700P-073 Combination Supply / ECO Sensor

$ 82.73 $ 49.64

Siemens TEC 540-863JN extended I/O controller

$ 66 $ 39.6

ELAN INDUSTRIES MODEL FD-22 VINTAGE FLAME DETECTOR [10Q.1]

$ 46.64 $ 27.98

Honeywell C7232A1016 Wall Mount Co2 Carbon Dioxide Sensor Controller HVAC

$ 165.88 $ 99.53

Banner/Beam Array BMLV48C 48" Light Curtain

$ 791.99 $ 475.19