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SIEMENS 544-089 Surface Mount Temperature Sensor

$ 8.8 $ 5.28

LENNOX 88K38 DISCHARGE AIR TEMPERATURE SENSOR

$ 40.47 $ 24.28

1PC NEW HK05SZ003 Pressure Transducer 2CP5-81. New. Free Fast Shipping.

$ 57.2 $ 34.32

Honeywell 2 wire Prestige IAQ thermostat kit. 2 thermostats and 2 interface brds

$ 87.12 $ 52.27

Lennox 17M50 Room Humidity Sensor (RH) 17M5001 New In Opened Box

$ 17.59 $ 10.55

Brand New Mitsubishi FX3U-32BL 3.0v Lithium PLC Battery

$ 17.59 $ 10.55

~Discount HVAC~ CP-CK18M - TPI Wide Contact Surface Probe

$ 64.16 $ 38.49

Safe-T-Switch 97625 - SS4 Primary and Secondary drain outlet, Condensate shutoff

$ 14.03 $ 8.42

OEM Upgraded Replacement Carrier Furnace Hot Surface Ignitor/Igniter 41-409 &

$ 21.97 $ 13.18

NIB HONEYWELL T775M2048 ELECTRONIC TEMPERATURE CONTROLLER (629)

$ 79.2 $ 47.52

Liebert LT460 Liqui-Tect Zone sensor with 45' rope

$ 264 $ 158.4

CARRIER ZONECC3ZAC01 Zone-3 Control with probe (used)

$ 176 $ 105.6

Rheem-Ruud 62-24268-03 1012-925C Spark Ignition Circuit Board

$ 96.31 $ 57.78

SIEMENS - Carbon Dioxide Room Air Quality Sensor CO2 ~ QPA2000 ~ NIB

$ 70.4 $ 42.24

York 025-47673-000 Temperature Sensor - New

$ 147.35 $ 88.41

Dwyer 2000-00 Magnehelic 0-0.25" w.c. Pressure Gauge NEW NIB Magnahelic gage

$ 127.55 $ 76.53

LENNOX IND 54G4401 ENTHALPY SENSOR BRAND NEW

$ 57.19 $ 34.31

Waste Oil Burner Heater Cad Cell Eye Flame Sensor Lanair Clean Burn Energylogic

$ 17.16 $ 10.29

Capp CAPP-134-1504 Low Temperature Detection Cut-Out Alarm Thermostat 15-55°F

$ 20.42 $ 12.25

Johnson Controls / York 025-41756-003 Pressure Transducer

$ 162.8 $ 97.68

Johnson Controls HE-68N3-0N00WS Wall Mount Humidity Temperature Sensor

$ 142.12 $ 85.27

Trane WCS - SD Air-Fi - X13790955010 wireless sensor control - SEN02362

$ 148.72 $ 89.23

HONEYWELL TJE 060-5011-01TJG PRESSURE SENSOR 1000 PSIG MAX NEW IN BOX

$ 440 $ 264

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

$ 15.83 $ 9.49

BARD MC4001 Control Board with Sensor 8612-042 MV4001

$ 80.95 $ 48.57

PFS014 Furnace Electrode Flame Sensor for Carrier Bryant LH33WZ511, LH33WZ515

$ 7.03 $ 4.21

HONEYWELL C7041F2006 20K OUTDOOR SENSOR

$ 17.59 $ 10.55

Honeywell RM7890A1015 On-Off Primary Burner Control

$ 324.35 $ 194.61

NEW Carel Spa pressure sensor SPKT00B1C0

$ 61.55 $ 36.93

Honeywell C7232a1016 Co2 Sensor Controller Wall Mount Brand New

$ 157.52 $ 94.51

Honeywell C7027A1023 Ultraviolet Flame Detector

$ 95.92 $ 57.55

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

$ 123.2 $ 73.92

Carrier HH79NZ029 Water Temperature Thermistor Sensor + FREE SHIPPING

$ 61.6 $ 36.96

Honeywell C7232B1006 Duct Mount CO2 Sensor

$ 266.12 $ 159.67

NEW VAISALA DUCT TEMPERATURE TRANSMITTER HMD060T

$ 131.99 $ 79.19

02627788000 York Rupture Disk 3” 026 27788 000

$ 316.8 $ 190.08

Setra DPT2641-2R5D-1 Very Low Differential Pressure Transducer; 26412R5WD11A1C

$ 79.19 $ 47.51

863-215-000 Slant Fin Boiler Blower Motor OEM 863-215-000

$ 181.23 $ 108.74

Dwyer A-306 Outdoor Static Pressure Sensor with 50' Vinyl Tubing

$ 57.19 $ 34.31

Johnson Controls TE-6316M-1 Nickel Duct Ave. Temperature Sensor w/ 17' Probe

$ 39.59 $ 23.75

Trane BAYENTH008B Comparative Enthalpy Kit W/Mamac Sensors 12.5-25 Ton RTU New

$ 235.4 $ 141.24

Fenwal "Thermoswitch" Temperature Sensor Probe 232816-304 NOS

$ 44.83 $ 26.9

Dwyer 2001 Magnehelic 0-1.00" w.c. H2O Pressure Gauge NEW NIB Magnahelic gage

$ 127.55 $ 76.53

York International 371 01180 223 Ambient Temperature Sensor

$ 26.39 $ 15.83

Fireye 45RM4-1000 Infrared Flame Scanner Self-Checking, New!

$ 3273.6 $ 1964.16

Trane Service First SEN01465 Pressure Sensor

$ 44 $ 26.4

ServiceFirst 4" Temperature Sensor 4190-1132 10K Ohm Thermistor Made in USA NEW

$ 39.6 $ 23.76

Danfoss AK-PHOTO-OD Outdoor Light Level & Temperature Sensor - New In Box

$ 197.99 $ 118.79

Setra 2301025PD5V11BC Low Differential (Wet to Wet) Pressure Transducer

$ 729.52 $ 437.71

Vaisala HMW92 Humidity and Temperature Transmitter

$ 228.79 $ 137.27

Outdoor Sensor 10K Ohm Like Honeywell C7089 Plastic Cover Fast FREE Shipping

$ 11.22 $ 6.73

Trane WCS - SD Air-Fi - X13790955040 wireless sensor control

$ 148.72 $ 89.23

Carrier HH79NZ029 - Water Temperature Thermistor Sensor (NEW)

$ 52.36 $ 31.41

Fireye 65UV5-1004QD Simplicity 65UV5 Flame Scanner, New!

$ 1231.99 $ 739.19

Siemens QVM62.1 Air Velocity Sensor 24V AC/DC 0-5,10,15 M/S Output is 0-10v

$ 70.4 $ 42.24

Dristeem Duct Relative Humidity Transmitter Sensor KHD-2-DSB HVAC Humidistat NEW

$ 52.79 $ 31.67

Honeywell C7012A1145 Flame Detector 120VAC 50/60Hz NEW

$ 343.19 $ 205.91

Siemens Duct Temp Sensor QAM2030.010 12 units

$ 87.12 $ 52.27

Aprilaire Outdoor Temperature Sensor 8052

$ 7.26 $ 4.35

1 NEW CHROMALOX PIT-15 NON-INDICATING THERMOSTAT, 0-150°F, 22AMP NIB

$ 61.59 $ 36.95

MCQUAY DAIKIN INDUSTRIES 330419602 WATER TEMP SENSOR THERMISTOR 3K-MR 20' LEAD

$ 83.6 $ 50.16

Johnson Controls Net Sensor NS-BTB7001-0 Modular Jack Temperature Sensor SA Bus

$ 21.99 $ 13.19

Novar Controls FTS-1 Wall Mount Temperature Sensor NOS

$ 67.29 $ 40.37

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

$ 10.55 $ 6.33

Bacharach 24-0788 Replacement Oxygen Sensor for all PCA Combustion Analyzers

$ 162.77 $ 97.66

Yellow Jacket 69073 Replacement Sensor for the 69075 SuperEvac

$ 77.26 $ 46.35

Duct Mounted Humidity And Temperature Sensor CAREL DPDC111000 [B4B3]

$ 166.76 $ 100.05

LeakSmart Leak Detection Sensor Wireless Waterproof Alerts Water Protection

$ 52.87 $ 31.72

Triangle Tube PTRKIT123 Prestige 60-250 Flue Sensor For Triangle Boilers

$ 66.99 $ 40.19

HH79NZ047 Temp Sensor Carrier OEM

$ 66 $ 39.6

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

$ 131.12 $ 78.67

Siemens RAK113.1030M Temperature Limiting Device Landis & Staefa NEW

$ 347.6 $ 208.56

HONEYWELL Igniter Flame Rod Assembly Q3400A1024 Low voltage hot surface element

$ 62.92 $ 37.75

Johnson controls NS-BHB7003-0

$ 264 $ 158.4

Dwyer Magnehelic Pressure Gage Model 2015 New

$ 52.8 $ 31.67

Vaisala Humidity Transmitter HMD60U

$ 264 $ 158.4

NEW Johnson Controls TE-6311M-1 Duct Temperature Sensor, 8" Probe, 1K Nickel, Me

$ 13.2 $ 7.91

Crestron CHV-RTS Remote Temperature Sensor

$ 44 $ 26.4

Trane OEM Temperature Sensor SEN02133 SEN2133 X13651507-03 X13650726100

$ 78.32 $ 46.99

Yellow Jacket 69101 Replacement Sensor and Cord Assembly

$ 70.28 $ 42.17

Ecobee EBRSE3PK201 ecobee3 1-3/4 in. Remote Sensor Smart Home Compatible 2pk NIB

$ 84.08 $ 50.45

Honeywell 50062329-001, 10K Discharge/Return Air Sensor

$ 4.39 $ 2.63

Honeywell Temperature Sensor Probe 12" Long

$ 79.15 $ 47.49

DANFOSS 084Z8155 TEMPERATURE SENSOR MBT 5116 PT100 CLASS B SINGLE PACK

$ 110 $ 66

ACI A/RH2-20K-D Humidity Duct Sensor 24v

$ 96.8 $ 58.08

Landis & Gyr Sensor, 540-662A Desert Beige LOT Of 21

$ 105.6 $ 63.35

Lot of 15 Aprilaire 8052 10K Duct Temperature Sensor RPC#692

$ 30.79 $ 18.47

York 025-37499-000 S1-02537499000 Flame Sensor Rod - New OEM

$ 40.01 $ 24

Lot of 3, Greystone TE200AS24 Space Temperature Sensor NEW SkyBay-dr15-mb

$ 55.39 $ 33.23

LH 680 013, LH680013 Furnace Flame Sensor, old stock

$ 17.6 $ 10.56

Triangle Tube PSRKIT13 RG 148 Condensing Boiler Blower Kit SOLO 175/250

$ 239.03 $ 143.42

HONEYWELL INTERMITTENT PILOT BURNER IGNITER-SENSOR Q345A1321 STYLE C RIGHT

$ 55.88 $ 33.52

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

$ 211.19 $ 126.71

Carel DPDC111000 Duct Mounted Humidity And Temperature Sensor

$ 351.99 $ 211.19

JOHNSON CONTROLS TE-6001-5 DEW POINT SENSOR MOUNTING KIT

$ 87.29 $ 52.37

FIREYE UV-EYE CAPP/USA #45UV5-1009 SELF CHECKING UV SCANNER Q139

$ 351.99 $ 211.19

White-Rodgers 120 volt Kwik-Sensor oil Burner Primary New In Box

$ 66 $ 39.6

NEW JOHNSON CONTROLS NS-BTP7002-0 NETWORK ZONE SENSOR

$ 39.59 $ 23.75

Johnson Controls TE6300W-101 (SOLD IN A LOT OF 17!!)

$ 105.6 $ 63.35

Johnson A419 Temperature Controller for kegerator, etc

$ 34.32 $ 20.59