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NEW Novar FTS-4 Futura Temperature Sensor

$ 35.2 $ 21.12

Honeywell OXYGEN O2 Gas Cartridge S3KXSO1SS Sensor

$ 351.12 $ 210.67

Lennox Armstrong 40L81 40L8101 LB-94701A Flame Sensor Kit - New

$ 64.09 $ 38.45

HH57AC081 Carrier Outside Air Sensor OEM HH57AC081

$ 248.11 $ 148.86

Honeywell Home HZ322K TrueZONE Zone Control Panel Kit - Grey

$ 234.49 $ 140.69

TRANE SEN1447 Wired Zone Sensor,10K ohm W/Dial

$ 52.26 $ 31.35

025-41573-000 York Controls Flow Sensor OEM 025-41573-000

$ 590.43 $ 354.26

Emerson HMI 1TT3 Refrigerant Liquid Moisture Indicator

$ 16.41 $ 9.84

MAMAC SYSTEMS Temperature Sensor TE-205-B-3-C-2 NEW

$ 56.27 $ 33.76

VERIS Industries | HD2XVSX | RH Duct, 2%, 5/10VDC (New Open Box)

$ 165.07 $ 99.04

White-Rodgers 3098-156 Mercury Flame Sensor, 48" Element, 3 Pin Plug, Bulb Style

$ 132 $ 79.2

Johnson Controls Pneumatic Temperature Transmitter T-5210-1009 0 to 100 F 12in

$ 131.99 $ 79.19

Lennox 20J91 - Flame Sensor

$ 21.99 $ 13.19

Sensor #1400645 Q354AD 9204 { NOS

$ 57.2 $ 34.32

Intellicon (4005) 25-145 PSI 1/4 CHS Economizer 1/4" M-NPT Steam Pressure Sensor

$ 47.47 $ 28.48

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

$ 59.79 $ 35.87

SIEBE / INVENSYS / BARBER-COLMAN - HVAC Unit Ventilator Sensor TS-8271-0-0-1

$ 87.12 $ 52.27

3 SCHNEIDER ETD500-4 4" DUCT TEMP SENSOR TYPE III

$ 43.99 $ 26.39

NEW Lennox, Gas Valve, 32L63, LB-94477A *FREE SHIPPING*

$ 102.07 $ 61.24

SIEMENS QAA2291.EWSC WIRELESS ROOM SENSOR WHITE NIB

$ 65.96 $ 39.57

SIEMENS 535-741-18 Building Technology Duct P/T Sens 100Kohm 18 Probe

$ 36.95 $ 22.17

Mamac Systems Te-703-D-17-A-1 - 20K Ohm Thermistor

$ 32.55 $ 19.53

~Discount HVAC~ CP-A251 - TPI Clamp On Current Probe - AC Amps 0-400

$ 52.54 $ 31.52

Siemens QFM2120 -Duct Humidity & Temps Sensor 0-10C LG-Ni1000

$ 242 $ 145.19

50021579-001-HONE HONEYWELL SENSOR FOR T775 THERMOSTAT

$ 22 $ 13.2

QRA2 Burner Flame Sensor Flame UV Detector Compatible New

$ 53.82 $ 32.29

HONEYWELL LP915A 1051 TEMPERATURE SENSOR

$ 59.84 $ 35.9

Honeywell HYTSF8X8001 Averaging Temperature Probe

$ 114.37 $ 68.62

Follett 00122978 Kit, Sensorsafe Sensor - Free Shipping + Genuine OEM

$ 73.56 $ 44.14

Kele PTX1E-G-05 Pressure Transmitter Enclosed w/ Gauge 0-30 PSI

$ 110 $ 66

JOHNSON CONTROLS TE68NT-1N00S Wall Temp Sensor New

$ 8.8 $ 5.28

PP Liquid Water Level Sensor Horizontal Float Switch Down 52mm

$ 2.36 $ 1.42

BAPI HVAC Water Leak Detector BA/LDT RR25-BB

$ 219.99 $ 131.99

Trane Flame Sensor, SEN0355; Replaces SEN246

$ 43.35 $ 26.01

Triangle Tube PSRKIT17 Prestige Pressure Gauge Assembly Kit For Triangle Boilers

$ 81.95 $ 49.17

TE-635AP-1 Johnson Controls 6" 1K Ohm Sensor W/Conduit OEM TE-635AP-1

$ 80.91 $ 48.54

Johnson Controls TE-6361M-1 8 Duct Mount Air Temperature Sensor

$ 36.95 $ 22.17

S1500 Marley S Series Electrical Toe Foot Space Heater 120v AC 1500w (1115)

$ 162.8 $ 97.68

NEW, CARRIER, CEC0121448-01, T-55 TEMP. SENSOR, (2J-1)

$ 17.55 $ 10.53

Heatcraft Refrigeration Sensor 28900309 28700801 Replaces Blue Green Red Yellow

$ 17.6 $ 10.56

Reznor Back Flow Sensor PN 121275

$ 22 $ 13.2

Siemens 536-753B Building Technologies Temperature Sensor, 1000 Series

$ 142.12 $ 85.27

BOARD WHITE-ROGERS POWER SUPPLY/AIR SENSOR  - AIR CLEANER CIRCUIT BOARD

$ 264 $ 158.4

Johnson Controls CRRETENT001A00 Return Air Enthalpy Sensor Kit For Field, New

$ 206.8 $ 124.08

NSFP - Veris Industries CWESH

$ 163.43 $ 98.06

Schneider Electric EPG105-AM Pressure Sensor

$ 145.19 $ 87.11

Crown AM Boiler 230125, TSD00BD Return NTC Sensor

$ 46.2 $ 27.72

Honeywell 2-Pack RedLINK 3.0 Indoor Sensor C7189R2002-2

$ 79.19 $ 47.51

Fireye 60-1764 MM-1 Adapter for RA890 601764 New

$ 37.4 $ 22.44

BRAND NEW Johnson Controls TE-68PT-0N00S WALL TEMP SENSOR WHITE FREE SHIPPING !!

$ 39.59 $ 23.75

BANNER QS18EP6DVQ5 PHOTOELECTRIC SENSOR 10-30 VDC #21I30*AD

$ 11.43 $ 6.85

NEW - Siemens 540-660A RS540 - Electronic Room Sensor

$ 39.6 $ 23.76

MCQUAY 001238800 TEMPERATURE PROCESS SWITCH 2-Stage 115V TSTAT L41-400

$ 52.79 $ 31.67

Thermostat thermoprobe assembly 527D53 Lawler Unused

$ 242 $ 145.19

073007303, 73007303 Daikin McQuay Genuine Chiller Water Temp Sensor 10K 30 Foot

$ 106.92 $ 64.15

DRAGER # 4056798 BG MASK COM VOICE AMPLIFIER

$ 110 $ 66

Peco Controls SP155-017 10K Ohm Wired Zone Sensor

$ 33.43 $ 20.05

Lennox 49M84 Flame Sensor Replacement

$ 24.63 $ 14.77

Dolan-Jenner SS910-11010 Safe Scan 9 light Curtain Controller 20' Leads

$ 177.64 $ 106.58

Carrier Pressure Switch 12-00309-06

$ 35.19 $ 21.11

Aaon R30650 Probe Ignition/Sensor

$ 75.93 $ 45.56

co2 sensor

$ 154 $ 92.4

Lumenite (T-DCFT2) 12" x 2" Stainless Steel Liquid Level Probe PTFE Tri-Clamp

$ 186.96 $ 112.17

BARBER COLMAN AK-50401-0-1 Pneumatic Relay / NOS

$ 114.35 $ 68.61

2 Rheem 62-23543-01 Flame Sensor, 3-1/2" Length, 90 Degree Offset

$ 15.84 $ 9.5

Triangle Tube PTRKIT122 PS 60-250 Supply - Return Sensor For Triangle Boilers

$ 52.03 $ 31.22

Setra Dpt2641-or5b-a Pressure Sensor New In The Box

$ 26.4 $ 15.83

Gurdstar B/A/1400/70/15/CB B Series 55" Receiver & Emitter Light Curtain Set

$ 791.99 $ 475.19

OEM New NOS JOHNSON CONTROLS P70MA-1E / P70MA1E Dual Pressure Control 1146

$ 127.6 $ 76.55

Tekmar 076 Indoor Surface Sensor

$ 73.92 $ 44.35

Gems Sensor LS-800-3-SS-SS, # 329563, 20VAC, NEW

$ 158.39 $ 95.03

MINCO TT611PD1XD AS120115 Cooler Freezer -20/75F 4-20mA Temperature Sensor

$ 12.3 $ 7.38

DRAGER POLYTRON TX TRANSMITTER SENSOR 4543415 45 43 415

$ 154 $ 92.4

Honeywell Co2 0-10Vdc Spst Wlmnt W/Displ

$ 235.83 $ 141.49

1PC New Honeywell Flame detector C7061A 1012 1 year warranty Fast Delivery

$ 1422.96 $ 853.77

GENUINE TRANE SEN00105 WATER TEMPERATURE SENSOR 3266 OHMS @ OC 30 Ft. LEADS

$ 43.12 $ 25.87

Johnson Controls Temperature Sensor TE-67NP-1B00 Wall-Mount 65-85F Adjustable

$ 11.44 $ 6.86

Goodman C6456503 Pressure Switch, 1 port, 3 pin

$ 30.8 $ 18.48

NEW Novar VAV-4020 V2.4 Variable Air Volume Controller Logic One w/ Temp Sensor

$ 52.75 $ 31.65

Trane BAYENTH008AA Comparative Enthalpy Kit W/Mamac Sensors 12.5-25 Ton RTU New

$ 43.99 $ 26.39

EMERSON CPC COMPUTER PROCESS 809-1060 HVAC BUILDING ZONE ALARM SENSOR LDS METER

$ 88 $ 52.8

Honeywell C7008A1000 Flame Rod & Holder W/6'' Kanthal Flame Rod 1/4 ''npt

$ 64.23 $ 38.53

DRAGER # 3351976 AIRBOSS EVOLUTION PLUS + SPARE LP W/HOSE

$ 374 $ 224.4

NORTON 120 VOLT SILICON CARBIDE FLAT HOT SURFACE IGNITOR MODEL 1096047

$ 39.16 $ 23.49

Lumenite Control Technology, Inc. Wfltv-Dm-6011 Din Mount Level Control,3

$ 677.92 $ 406.75

Veris Industries CW Series Environmental CO2 Sensor

$ 44 $ 26.4

BARD MC4001 Control Board with Sensor 8612-042 (201205)

$ 76.56 $ 45.93

P6 Navien Outdoor Temperature Sensor w/ Wire 30013090A & Option Board

$ 65.99 $ 39.59

UCK-1, KELE UNIVERSAL SENSOR CALIBRATION KIT, (19F-3) NEW FACTORY SEALED

$ 88 $ 52.8

ACI A/RH2-D-5 Humidity Duct Sensor 24v

$ 44 $ 26.4

Siemens 540 120 ERS Electronic Room Sensor Temperature

$ 74.8 $ 44.88

Carrier Rooftop Humidity Sensor CRHUMDSN001B00. Free Shipping

$ 14.07 $ 8.44

Siemens QAM2032.750 Temperature Sensor, Duct, Averaging

$ 61.59 $ 36.95

Minco TempTran S457PEY60TT111BJI Temperature Sensor Probe Cooler W/Junction Box

$ 131.99 $ 79.19

Braukmann Thermostatic Control T111F Valve Mounted Dial/Remote Sensor - 10 avail

$ 8.79 $ 5.27

Siemens Electronic Relative Humidity & Temp Sensor # 544819A (NOS)

$ 42.24 $ 25.34

Honeywell T7043A1023 Immersion Temperature Sensor - NOS New Old Stock

$ 41.8 $ 25.08

Kele PTX1 Pressure Transmitter with Gauge PTX1-007 0-100 Psi

$ 132 $ 79.2

Carel Spa URKSL00004 Water Level Sensor w/ LS Cable for Carel HeaterSteam UR

$ 88.27 $ 52.96

Honeywell TrueZONE Zone Control Panel w/Transformer/Discharge Air Sensor HZ322K

$ 201.96 $ 121.17