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NEW RECTORSEAL SS3 SAFE-T-SWITCH CONDENSATE OVERFLOW SWITCH

$ 17.59 $ 10.55

Danfoss AK-PHOTO-ID Indoor Light Level Sensor / MAS PLC Skylight Sensor - NEW

$ 83.59 $ 50.15

Trane Sensor BAYSENS203A

$ 57.2 $ 34.32

Honeywell CO2 Sensor and Controller C7232B1006 - Duct - HVAC - RTU - Trane

$ 219.12 $ 131.47

ACI CO2 wall sensor T/CO2-R2SO-CP

$ 44 $ 26.4

1149856 Honeywell Q3450C1045 Smart Valve Sensor Ignitor *FREE SHIPPING*

$ 79.19 $ 47.51

Direct Brand DB0526 Ignitor/Flame Sensor Assembly Upgrade

$ 126.09 $ 75.65

1 PSG ACCUSTAT SENSOR 68 *F DEGREE SNAP * NEW IN BOX 1 pc Only Shows Orig Pack

$ 7.91 $ 4.74

* NEW GENUINE YORK 025 39517 000 TEMPERATURE SENSOR 3000 OHM 025-39517-000

$ 162.58 $ 97.55

Fireye Flame Monitor Module EP380 NOS

$ 541.15 $ 324.69

Schneider Electric (Barber Colman) MP-5413 - 24vVlvAct.S/R,2-12vdcStartpnt

$ 441.75 $ 265.05

Triangle Tube PSRKIT81 Prestige 110 Venturi Replacement Kit For Solo 110 Boilers

$ 85.69 $ 51.41

Triangle Tube PTRKIT122 NTC Sensor (REPLACES PSRKIT04)

$ 93.06 $ 55.84

NEW, JOHNSON CONTROLS, TE-6001-3, IMMERSION SENSOR MOUNTING ASSEMBLY. (23B-1)

$ 17.55 $ 10.53

Schneider Electric | HD2XVSX-T1 | RH Duct 2% 0-10VDC & TEMP XMTR 0-5/0-10V (New)

$ 165.43 $ 99.25

1149856 Honeywell Q3450C 1045 Smart Valve Sensor Ignitor NOS

$ 74.8 $ 44.88

new 371-01180-223 York Controls Ambient Temp. Sensor OEM 371-01180-223

$ 175.99 $ 105.59

Johnson Controls T-5210-1118 Pneumatic Temp. Transmitter, 17' Avg, Free Shipping

$ 198 $ 118.8

Omron F3S-B362P-D F3S-B362P-L 35" Light Curtain Set Emitter & Receiver

$ 230.93 $ 138.56

HOFFMAN B1125S-2 INVERTED BUCKET STEAM TRAP WITH STRAINER 1/2 IN. 125 PSI

$ 87.95 $ 52.77

Crown Boiler 230122 Supply NTC Sensor

$ 58.96 $ 35.37

Emerson White-Rodgers F29-0231 Thermostat Guard Clear w/ Keyed Lock Qty 3

$ 51.03 $ 30.61

Honeywell Solid State Economizer W4759A 1001

$ 79.19 $ 47.51

Honeywell CARRIER Temperature Humidity Sensor HH57AC081

$ 39.6 $ 23.76

HONEYWELL TR21-A TEMPERATURE SENSOR LESS NETWORK JACK

$ 17.55 $ 10.53

Siemens 587-620FB Talon Room Temperature Sensor, Free Shipping

$ 113.52 $ 68.11

Vaisala HMW60Y Humidity and Temperature Transmitter

$ 44 $ 26.4

Siemens 536-780 Surface Mounted Pipe Sensor (30 - 250F) hvac transmitter

$ 66 $ 39.6

Lennox 63A3601 62A36 De-Ice Sensor Control DS3411 Diaphragm Type Defrost Control

$ 79.15 $ 47.49

NEW Honeywell C7061A 1038 Self-Checking Ultraviolet Flame Detector, C7061A1038

$ 836 $ 501.6

ECOJAY SMARTZONE-4X 4-ZONE CLIMATE CONTROL ZS4X-2.0

$ 175.99 $ 105.59

NEW NOS Trane X13790501-010 Return Air Duct Sensor BAYSTAT059A SEN01379

$ 39.6 $ 23.76

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

$ 185.63 $ 111.38

WIESHAUPT gas burner gun tube sensor ignitor assembly natural propane boiler

$ 175.99 $ 105.59

System Sensor RTS451 Smoke Automatic Fire Detector 7OGO

$ 7.02 $ 4.21

Honeywell LP914A 1052 2 Pneumatic Well Temperature Sensor

$ 80.07 $ 48.04

P87140 Aaon Duct Temperature Sensor OEM P87140

$ 62.43 $ 37.46

Carrier / United Technologies HH79NZ029 replaces 30HW400408 Thermistor Sensor

$ 41.8 $ 25.08

TRANE 385 PLAT TEMP DUCT AVG 24' 4190-1119

$ 114.4 $ 68.64

VERIS HD2XVSX RH Duct,2%,5/10VDC

$ 140.8 $ 84.48

b) Preferred Parts FV Sensor Kit SP13447B

$ 51.91 $ 31.14

ServiceFirst SEN01524

$ 51.04 $ 30.62

TRANE 41904101 X137904023-010 CO2 DEMAND-CONTROLLED VENTILATION DUCT 1J-3009-G25

$ 105.6 $ 63.35

Johnson Controls Net Sensor HE-67N3-1B00W Screw Terminal Temperature Sensor

$ 114.39 $ 68.63

NEW Siemens Relative Humidity Temperature Room Sensor QFA3071.WU

$ 70.35 $ 42.21

New Honeywell C7735A1000 Discharge Return Air Temperature Sensor Free Shipping

$ 17.6 $ 10.56

47W36 Lennox 20K Indoor Zone Sensor OEM 47W36

$ 66.83 $ 40.1

1 USED HONEYWELL LP914A 1003 5 TEMPERATURE SENSOR ***MAKE OFFER***

$ 34.31 $ 20.58

ZPA-DTS Temp Stat Discharge Air Duct Temp Sensor OEM ZPA-DTS

$ 27.23 $ 16.34

Johnson Controls Ns-Btb7003-0 Network Sensor,White,Zoning Control Type

$ 96.8 $ 58.08

1/2" NPT 304 STAINLESS STEEL - IMMERSION THERMOWELL - 8" / 6" / 4" (PACK OF 2)

$ 21.99 $ 13.19

Daikin 669088101 Wall Sensor Override Brand New Maverick

$ 79.19 $ 47.51

Braeburn 5390 Remote Indoor Sensor,White,3" Hx3" W

$ 17.19 $ 10.31

BRAND NEW - ACI / AN-O Type III Thermistor Outside Air Temperature Sensor

$ 23.75 $ 14.25

DWYER Explosion-Proof RTD Temperature Sensor/Transmitter TTE-104-W, 9" Platnium

$ 220 $ 132

USED 61-5745-3 fireye shutter drive accessory use with 45UV5-1005/45UV5-1105

$ 88 $ 52.8

New Lennox LX-IDS Indoor Remote Temperature Sensor 26K57 98381-009A

$ 43.99 $ 26.39

Brand NEW Siebe Barber TS-8201-0-0-1 Solid State Duct/Immer Sensor TS8201001

$ 43.99 $ 26.39

Ashcroft 5' Stainless Bimetal Thermometer 0/250 deg F 1/2 NPT 50EI60L-040-0-250

$ 85.31 $ 51.18

Novar Futura Fts-4A 732501000 Wall Mount Temperature Sensor Range 50-90f NEW

$ 21.95 $ 13.17

safe-t-switch model SS2 97637

$ 7.21 $ 4.32

SIEMENS 544-780FB ELECTRONIC ROOM SENSOR

$ 39.6 $ 23.76

Honeywell Ultra Violet Flame Sensor, C027 1098

$ 84.93 $ 50.96

LOT OF 2, NEW, JOHNSON CONTROLS, TE-6311M-1, DUCT PROBE TEMPERATURE SENSOR(23B-3

$ 18.43 $ 11.06

Honeywell T100R1012 Thermostatic Control Range 86-158F , V135 Valve Bodies

$ 74.79 $ 44.87

Triangle Tube PSRKIT19 Prestige Transformer Kit w/Surge Protection

$ 81.95 $ 49.17

Veris PXPLX02S Series Dry Pressure Sensor Differential Pressure Transmitter -NEW

$ 87.12 $ 52.27

Switch Head for Parker LLSS Float Switch

$ 87.12 $ 52.27

BAPI 21946 EZPS SR in WC Pressure Sensor Delta 400392

$ 66 $ 39.6

Kele - DPL Series Differential Air Pressure Transmitter Sensor 266 / DPL-7-4

$ 110 $ 66

Fan Cycle Control - Pack of 10. Close 250 Open 200

$ 104.72 $ 62.83

Honeywell C7035A1023 Burner Flame Detector U.V. Ultraviolet Sensor

$ 169.84 $ 101.9

Service First X13790846-01 BAYSENS110A

$ 66.87 $ 40.12

FC1000A1001 Control Box Honeywell Flame Detector Controller Replace R4343E1014

$ 132.44 $ 79.46

Staefa Control System FKA-O1A Sensor FKA 01A

$ 175.99 $ 105.59

Honeywell C7027A-1049 Flame Detector C7027A1049

$ 146.75 $ 88.05

HVAC Thermistor Temperature Sensor NTC Air Conditioner Refrigeration Probe 100PC

$ 654.71 $ 392.82

Tekmar 084 Indoor Sensor Flush Mount

$ 34.32 $ 20.59

Mamac Systems - Tristate to Pneumatic HVAC Transducer - MMC325020 - NOS

$ 87.12 $ 52.27

Honeywell C7100B1013 Averaging Duct Temperature Sensor 13 Inch Insertion W7080

$ 61.02 $ 36.61

Honeywell Duct Sensors X2 - MPN 50062329-001

$ 8.79 $ 5.27

Johnson Controls Net Sensor TE-67PP-1N00 Modular Jack Temperature Sensor

$ 26.39 $ 15.83

Honeywell C7046A1004 Discharge Sensor, 8 inch, 40 - 140 degrees F

$ 17.16 $ 10.29

HONEYWELL INTERMITTENT PILOT BURNER IGNITOR-SENSOR Q345A1313 STYLE B LEFT

$ 54.12 $ 32.47

Automation Components Inc ACI A/1K-NI-SP Stainless Steel Plate Temp Sensor 1K NI

$ 8.8 $ 5.28

JOHNSON CONTROLS 26-18937 P-5210-3 PNEUMATIC PRESSURE TRANSMITTER 0-200 PSI 7828

$ 52.79 $ 31.67

Johnson Controls TE-6351P-1 - Duct Probe Sensor 8 inch

$ 63.35 $ 38.01

SENVA C02D-A Duct co2 Trans. w/relay w/display and menu

$ 202.4 $ 121.44

Fireye EUV1 Ultra Violet Flame Amplifier Module 9817 *Warranty~Fast Shipping*

$ 176 $ 105.6

Veris AA56 Wall Plate Remote Pickup For PX

$ 30.8 $ 18.48

Johnson Controls Temperature Sensor SET189A-600R System 350

$ 15.83 $ 9.49

A.O. Smith 9006029015 9006029015 KIT FV SENSOR AND BRACKET

$ 63.33 $ 38

Neptronic SHC80 HVAC Duct Humidity Sensor WITH Temp Sensor- 30 DAY RETURNS

$ 69.52 $ 41.71

HTS RM7890A1015 Automatic Primary Control 4-10 Sec PFEP Lockout Or

$ 381.91 $ 229.14

Honeywell Discharge Sensor, 0-140F, C7046A1004

$ 23.83 $ 14.29

New in Box Landis & Staefa 536 298 Room Humidity Sensor 0 to 100% 4 to 20mA

$ 189.2 $ 113.52

NEW Trane Service First SEN01447 BAYSENS074A Wired Zone Temperature Sensor

$ 35.2 $ 21.12

1173637 FAST HVAC OEM PARTS, SWITCH, TEMPERATURE, DEFROST SENSOR

$ 21.11 $ 12.66

Lennox 26K35 - 3.5-5 TON R22 ThermalXpanValve

$ 117.03 $ 70.21

HBX THM-0500 Touch Screen Thermostat Fully Programmable, Color Touch Screen-NEW.

$ 102.05 $ 61.23