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NEW! Dunkirk VLT 299 Gas Valve Replacement Kit By Honeywell #5500002811

$ 174.68 $ 104.8

YORK INTERNATIONAL 025-29964-000 Water Temperature Sensor

$ 66 $ 39.6

Fireye 4' 90 Degree Head Infrared Scanner 48PT2-9007 NOS

$ 143.39 $ 86.03

LOT of 25 Thermostats 300°F MANUAL RESET ROLL-OUT SENSOR-fixed treadle bracket

$ 157.96 $ 94.77

Siemens 547-100 Room Static Pressure Sensor

$ 11.22 $ 6.73

NEW HONEYWELL C7189R1004 RED LINK WIRELESS INDOOR SENSOR

$ 17.6 $ 10.56

Honeywell CO2 Sensor and Controller C7232B1006 New In Box! Free Shipping!

$ 351.99 $ 211.19

Distech Controls EC-SENSOR-SO PDITE-SENSOROX0

$ 26.4 $ 15.83

Liebert Liqui-Tect 460 - leak sensor

$ 175.99 $ 105.59

Macurco CM-6 CO Carbon Monoxide Sensor

$ 374 $ 224.4

LOT OF 5 Novar Honeywell N-C7041B2005 6” Duct 20K ohm Electronic Temp Sensor NEW

$ 48.37 $ 29.02

Johnson Controls NS-BTJ7002-0 Room Temperature Sensor, White

$ 70.39 $ 42.23

Reznor 201158 Pressure Switch -1.10WC H/W IS220

$ 31.86 $ 19.11

Powers-Siemens Bldg Tech Room Sensor, Beige W/Ovrd, Stpt OEM 544-770A

$ 72.74 $ 43.64

Fireye 45UV5-1000 UV Self-Checking Scanner w/ 4-320-TUBE

$ 756.8 $ 454.08

Dwyer A-306 Outdoor Static Pressure Sensor Kit

$ 35.19 $ 21.11

New Honeywell C7031D2003 /U 5" immersion sensor PT1000 output (-40 - 350 F)

$ 65.95 $ 39.57

Carrier HK50AA039 Premier Link Board

$ 263.95 $ 158.37

Carrier Remote Zone Sensor - Wired

$ 29.04 $ 17.42

York S1-33103655000 Temperature Sensor,Return,Supply,Outd - Free Shipping

$ 33.43 $ 20.05

BAYSENS025A TRANE INDOOR REMOTE SENSOR (NOS)

$ 21.64 $ 12.98

Johnson Controls TE-631AM-2 Well Insertion Temp. Sensor 1K Nickel Sensor

$ 13.1 $ 7.86

Safe-T-Switch Model SS3 Low Voltage Condensate Overflow Shut Off Switch (2 PACK)

$ 14.86 $ 8.91

Mastercool 55100-SEN Sensor for Electric Leak Detector

$ 20.43 $ 12.26

1149856 Honeywell Q3450C1045 Smart Valve Sensor Ignitor *FREE SHIPPING**

$ 79.19 $ 47.51

Johnson Controls TE-6000-100 Temperature Sensor

$ 26.39 $ 15.83

Carrier Refrigeration- Head Sensor/Discharge Temperature Sensor (Tennessee Co)

$ 110 $ 66

Cool Automation Cool Master HVAC Automation

$ 836 $ 501.6

DISTECH CONTROL EC-SENSOR-SO PDITE-SENSOROX0

$ 30.8 $ 18.48

Goodman-Amana 20165703S Hot Surface Ignitor, 120V

$ 28.01 $ 16.8

MAMAC Systems PR-264-R1-VDC Pressure Transducer 0-100psig Output: 0-5/0-10VDC

$ 176 $ 105.6

NEW METROL P11C-05 TOUCH SENSOR MADE IN JAPAN

$ 74.8 $ 44.88

Honeywell C7189R1004 Wireless Indoor Sensor, White

$ 86.53 $ 51.92

DiversiTech SOS-1 Condensate Safety Overflow Switch New In Pack

$ 20.19 $ 12.11

Honeywell C7035A 1080 Flame Detector 10' Leads, 0 to 250F, New in Box C7035A1080

$ 162.8 $ 97.68

SIEMENS - HVAC Flow Switch Sensor - New in Box - QVE1901U

$ 87.12 $ 52.27

Carrier Pilot BRYANT Burner Igniter-Sensor 733 Natural-Mix or LP Gas

$ 87.99 $ 52.79

SIEMENS - MFG REFURBISHED MBC/RBC BACKPLANE POWER MODULE R545-714 *NOS*

$ 307.12 $ 184.27

C554A1794 Waste Oil Heater Flame Sensor For Reznor 123195 Cleanburn 33116 Lanair

$ 14.51 $ 8.7

Trane Co2 Wall Sensor Sen01087 Servicefirst X13790422010 New In Box

$ 48.4 $ 29.04

Daikin Remote Sensor - KRCS01-1B

$ 8.79 $ 5.27

Brand New Open Box vertiv Liebert LT460S Liqui-Tect Detection Sensor never used

$ 102.96 $ 61.77

NEW DISTECH ALLURE ECW SENSOR 315 mHz WIRELESS SPACE TEMPERATURE PDITE-WSEN315X0

$ 131.99 $ 79.19

OEM Carrier Bryant TSTATXXSEN01-B Thermistor Outdoor Air Temperature Sensor OAT

$ 29.58 $ 17.75

Triangle Tube P3KITTH01 Aquastat For Triangle Indirect Water Heater 160ºF

$ 42.31 $ 25.38

NEW, UNITED ELECTRIC, B105-119, TEMPERATURE CONTROL, 15-140 DEGREE F. (23D-2)

$ 83.56 $ 50.13

Lennox 88K38 Discharge Air Temperature Sensor (5108838)

$ 79.2 $ 47.52

Honeywell C7232B1022 CO2 Sensor (honeywell) for Duct mounting

$ 171.6 $ 102.96

Siemens 547-100 HVAC Room Static Pressure Sensor (LOT OF 50)- NEW IN BOX !!!!

$ 440 $ 264

Honeywell C7061A1038 UV Flame Detector Eye

$ 477.84 $ 286.7

HONEYWELL C7915A1028 Flame Sensor, Infrared (Lead Sulfide) with mount

$ 276.39 $ 165.83

Ranco Electronic Temperature Control Dual Stage with Sensor ETC-211020-000

$ 79.19 $ 47.51

Siemens SB1-2142 - RS540 Electronic Room Sensor White

$ 35.2 $ 21.12

Lennox 52M72 - Flame Sensor

$ 27.27 $ 16.36

Mastercool 98061-SENSOR Sensor for 98061

$ 109.45 $ 65.67

Lot of (2) New Automation Components A/CP-S-GD Clamp On Pipe Temperature Sensor

$ 18.43 $ 11.06

BrandNEW Barber Colman TSP-7212-0-0-1 Chilled Water Temp, Transmitter TSP7212001

$ 52.79 $ 31.67

NEW!! HONEYWELL C7027A1049 Flame Sensor, Ultraviolet, Minipeeper.C7027A1049C

$ 114.31 $ 68.58

NEW NOS Kele And Associates P200GTE-04 Pressure Transducer EMC

$ 176 $ 105.6

Daikin (Siemens) 2508033 Room RH & Temp. (Sensor New in Box)

$ 48.4 $ 29.04

OEM A.O. SMITH 9006029015 FLAMMABLE VAPOR SENSOR WITH BRACKET

$ 51.48 $ 30.88

SIEMENS QRI2B2.B180B Infrared Burner Flame Detector Lateral Sensor.

$ 145.19 $ 87.11

3098-134 White Rodgers Mercflamesensor48",E Type,#19 OEM 3098-134

$ 319.39 $ 191.63

MAMAC Systems HU-224-2-VDC Humidity Transducer 0-100%RH Output: 0-5/0-10VDC

$ 110 $ 66

*NEW* Danfoss 060G1526 / YORK 025-29151-001 Pressure Trasnducer

$ 299.19 $ 179.51

White Rodgers F145-1328 Indoor Remote Sensor NEW!

$ 17.59 $ 10.55

Carrier CRENTDIF004A00 Economizer Differential Enthalpy Sensor Package

$ 79.19 $ 47.51

Johnson Controls WRZ-TTS0000-0 Wireless Sensor

$ 70.35 $ 42.21

VERIS CWE CO2 Wall Sensor

$ 198 $ 118.8

DiversiTech Class 2 Transformer 24v sec 120v, 208, 230volt Pri

$ 22 $ 13.2

KELE Outdoor Air Humidity Economizer HO31K-T24

$ 96.79 $ 58.07

Trane Outdoor Temperature Sensor BAYSEN024A Outdoor Sensor

$ 61.16 $ 36.69

FIREYE 45UV5-1009 UV SELF-CHECK SCANNER 45UV5 1009

$ 418 $ 250.8

York Controls Sensor Kit Prv Pos OEM 371-02012-001 chiller new

$ 352 $ 211.2

(6) Setra Pressure Transducers DPT2640-005D / 2641R25WB2DA1C

$ 131.95 $ 79.17

Thermal Expansion Valve

$ 45.76 $ 27.45

Fireye 60-2060-10 PFM Adapter Use W/PFM10 New

$ 175.12 $ 105.07

Carel Flood Sensor

$ 39.6 $ 23.76

Johnson Controls HE-67S2-0N0BT Wall Mount Humidity Sensor W/ Silicon temperature

$ 205.87 $ 123.52

NEW JOHNSON CONTROLS NS-BTP7002-0 NETWORK ZONE SENSOR

$ 35.2 $ 21.12

BAPI ZPS-SR-EZ inWC, 9775877, 40092 Field Adjust Pressure Sensor, Skybay-Dr15-mb

$ 83.55 $ 50.13

TRANE RELIA TEL BAYRTVM001A Ventilation Module Kit 12.5-50 Ton Packaged Units

$ 131.95 $ 79.17

Honeywell TR21-A Room Temperature Sensor Ships Same Day of the Purchase

$ 26.39 $ 15.83

Lochinvar High Limit Switch Outlet Sensor 100208550

$ 61.59 $ 36.95

Velocity 108186-01 Three-way Valve Actuator

$ 138.45 $ 83.07

Leviton OSSMD-MDW Dual-Relay, Multi-Technology Wall Switch Sensor

$ 47.52 $ 28.51

Kromschroder DG50HT 1 - 20" WC (2.5 - 50 mbar) Air Gas Pressure Switch

$ 39.59 $ 23.75

SETRA, DPT2641-001D, DIFFERENTIAL PRESSURE TRANSDUCER, 0-1" WC, (5F-2)

$ 25.52 $ 15.31

SIEMENS SIGNAL CABLE/6FX8002-2DC10-1BF0, 24 V, 15 M, PREASSYMBLED

$ 110.88 $ 66.52

Outdoor Temperature Sensor

$ 13.2 $ 7.91

Honeywell C7012A1145 Purple Peeper Flame Detector NEW OPEN BOX

$ 365.2 $ 219.11

HONEYWELL C7232B1022 CO2 SENSOR AND CONTROLLER 24VAC 50/60 HERTZ

$ 202.31 $ 121.38

Crown Velocity Boiler Phantom/Shadow Service Sensor Kit

$ 138.45 $ 83.07

CLEVELAND CONTROLS AIR PRESSURE SENSOR AFS-A

$ 23.32 $ 13.99

AirSense Professional Series 310e CO2 Sensor Wall 2000 ppm Dual Beam Bulletproof

$ 96.77 $ 58.06

Free Shipping Setra Pressure Transducer dpt2641-0r5b-a +\-0.5”wc Brand New

$ 26.35 $ 15.81

Carrier 33CSPS-01 Pressure Sensor

$ 40.43 $ 24.26

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

$ 15.83 $ 9.49

TRANE X13790464-010 SEN1280 REV:B

$ 38.72 $ 23.23

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

$ 6.59 $ 3.95