HVAC Sensors | Surplus Network

SS2 style Low Voltage Condensate Safety Switch 3/4 PVC Float Switch DIY/HVAC

SS2 style Low Voltage Condensate...

$18.00 USD

SS2 style Low Voltage Condensate...

$18.00 USD

HONEYWELL RedLINK™ Wireless Outdoor Sensor C7089R1013

HONEYWELL RedLINK™ Wireless...

$45.00 USD

HONEYWELL RedLINK™ Wireless...

$45.00 USD

Danfoss 013G8250 Built-In Direct Head Sensor Thermostatic Radiator Valve RA2000

Danfoss 013G8250 Built-In Direct Head...

$31.95 USD

Danfoss 013G8250 Built-In Direct Head...

$31.95 USD

Aprilaire 8051 Flush Mount Temperature Sensor, 300ft Max

Aprilaire 8051 Flush Mount...

$31.95 USD

Aprilaire 8051 Flush Mount...

$31.95 USD

Honeywell 392431 Pilot Hardware Igniter Sensor Assembly Kit

Honeywell 392431 Pilot Hardware...

$39.99 USD

Honeywell 392431 Pilot Hardware...

$39.99 USD

Liebert LT410 Leak Detection Sensors

Liebert LT410 Leak Detection Sensors

$60.00 USD

Liebert LT410 Leak Detection Sensors

$60.00 USD

AP-TMZ1600-0 Room Sensor with LCD Display (TMZ1600)- Johnson Controls N2 Stat

AP-TMZ1600-0 Room Sensor with LCD...

$60.00 USD

AP-TMZ1600-0 Room Sensor with LCD...

$60.00 USD

HONEYWELL - T8775C1005 NON-PROGRAMMABLE DIGITAL ROUND THERMOSTAT New IN Box

HONEYWELL - T8775C1005...

$55.00 USD

HONEYWELL - T8775C1005...

$55.00 USD

SS2 Safe-T-Switch Legacy A/C Condensate Drain Line Float Switch

SS2 Safe-T-Switch Legacy A/C...

$21.24 USD

SS2 Safe-T-Switch Legacy A/C...

$21.24 USD

Lochinvar PLT3022 Flame Sensor And Gasket Kit For Knight Boilers 100165930

Lochinvar PLT3022 Flame Sensor And...

$16.20 USD

Lochinvar PLT3022 Flame Sensor And...

$16.20 USD

Alerton MS4-TH Ascent Microset 4 Base Model Temperature and Humidity Sensor

Alerton MS4-TH Ascent Microset 4 Base...

$140.00 USD

Alerton MS4-TH Ascent Microset 4 Base...

$140.00 USD

Johnson Controls HE-67N3-0N00P Humidity Transmitter w/Temperature Sensor

Johnson Controls HE-67N3-0N00P...

$90.00 USD

Johnson Controls HE-67N3-0N00P...

$90.00 USD

PFS401 Universal Furnace Electode Flame Sensor replaces White Rodgers 760-401

PFS401 Universal Furnace Electode...

$11.00 USD

PFS401 Universal Furnace Electode...

$11.00 USD

Broan Bathroom Override 20/40/60 Minute Wall Control VBATHW New IN BOX

Broan Bathroom Override 20/40/60...

$11.00 USD

Broan Bathroom Override 20/40/60...

$11.00 USD

HONEYWELL C554A1687 Cadmium-Sulfide Flame Detector 60IN LEADS

HONEYWELL C554A1687 Cadmium-Sulfide...

$22.95 USD

HONEYWELL C554A1687 Cadmium-Sulfide...

$22.95 USD

(Lot of 3) Johnson Controls Duct Probe Temperature Sensors, 4" Probe,-TE-635GV-2

(Lot of 3) Johnson Controls Duct...

$20.00 USD

(Lot of 3) Johnson Controls Duct...

$20.00 USD

Lennox Transformer #42J32

Lennox Transformer #42J32

$20.00 USD

Lennox Transformer #42J32

$20.00 USD

ACI A/CP-R2 Temperature Sensor

ACI A/CP-R2 Temperature Sensor

$20.00 USD

ACI A/CP-R2 Temperature Sensor

$20.00 USD

Whirlpool / FSP Belt #WP8544742 (Open Package)

Whirlpool / FSP Belt #WP8544742 (Open...

$20.00 USD

Whirlpool / FSP Belt #WP8544742 (Open...

$20.00 USD

CARRIER SYSTXIIRRS01 INDOOR REMOTE SENSOR

CARRIER SYSTXIIRRS01 INDOOR REMOTE...

$35.00 USD

CARRIER SYSTXIIRRS01 INDOOR REMOTE...

$35.00 USD

Siemens 540660A Electronic Room Sensor

Siemens 540660A Electronic Room Sensor

$35.00 USD

Siemens 540660A Electronic Room Sensor

$35.00 USD

LH33CM018 Carrier Flame Sensor OEM LH33CM018

LH33CM018 Carrier Flame Sensor OEM...

$19.99 USD

LH33CM018 Carrier Flame Sensor OEM...

$19.99 USD

Honeywell Home C554A1463 Yellow Cadmium-Sulfide Flame Detector With 60" Leads

Honeywell Home C554A1463 Yellow...

$19.99 USD

Honeywell Home C554A1463 Yellow...

$19.99 USD

AQUAGUARD AG-1250E Multipurpose Water Sensor

AQUAGUARD AG-1250E Multipurpose Water...

$19.99 USD

AQUAGUARD AG-1250E Multipurpose Water...

$19.99 USD

PROTECH 62-24044-71 RHEEM RUDD FURNACE REMOTE FLAME SENSOR KIT

PROTECH 62-24044-71 RHEEM RUDD...

$19.99 USD

PROTECH 62-24044-71 RHEEM RUDD...

$19.99 USD

Brand New Mitsubishi FX3U-32BL 3.0v...

$19.99 USD

Brand New Mitsubishi FX3U-32BL 3.0v...

$19.99 USD

Johnson controls Nickel Flush Mount Temperature Sensor TE6310F-1 ohms

Johnson controls Nickel Flush Mount...

$19.99 USD

Johnson controls Nickel Flush Mount...

$19.99 USD

HONEYWELL C7600C 2001 ANALOG HUMIDITY SENSOR

HONEYWELL C7600C 2001 ANALOG HUMIDITY...

$19.99 USD

HONEYWELL C7600C 2001 ANALOG HUMIDITY...

$19.99 USD

Navien Outdoor Temperature Sensor OTS-01 (NCB)

Navien Outdoor Temperature Sensor...

$19.99 USD

Navien Outdoor Temperature Sensor...

$19.99 USD

New Rheem Ruud Protech 62-24044-71 Furnace Remote Flame Sensor Kit Free Shipping

New Rheem Ruud Protech 62-24044-71...

$19.99 USD

New Rheem Ruud Protech 62-24044-71...

$19.99 USD

Mamac Systems TE-702-B-12-B Duct Temperature Sensor (6" Probe Length)

Mamac Systems TE-702-B-12-B Duct...

$19.99 USD

Mamac Systems TE-702-B-12-B Duct...

$19.99 USD

New HH 79NZ 029 Carrier Thermistor Sensor Temperature Probe Sensor HH79NZ029

New HH 79NZ 029 Carrier Thermistor...

$59.95 USD

New HH 79NZ 029 Carrier Thermistor...

$59.95 USD

AcuRite 606TX Wireless Temperature Sensor ( new )

AcuRite 606TX Wireless Temperature...

$22.49 USD

AcuRite 606TX Wireless Temperature...

$22.49 USD

Trane MOD02688

$104.02 USD

$104.02 USD

White Rodgers 3098-134 Flame Sensor: Universal, Hot Surface Ignition, 2 5/8 in P

White Rodgers 3098-134 Flame Sensor:...

$85.00 USD

White Rodgers 3098-134 Flame Sensor:...

$85.00 USD

Trane SWT03335 OEM Switch Thermal Pressure Flow Sensor

Trane SWT03335 OEM Switch Thermal...

$215.00 USD

Trane SWT03335 OEM Switch Thermal...

$215.00 USD

Lennox Spark Ignitor/sensor (84K65) 42446-001

Lennox Spark Ignitor/sensor (84K65)...

$25.00 USD

Lennox Spark Ignitor/sensor (84K65)...

$25.00 USD

DANFOSS RA2000 MOUNTED DIAL & SENSOR THERMOSTATIC RADIATOR VALVE 013G8250

DANFOSS RA2000 MOUNTED DIAL & SENSOR...

$25.00 USD

DANFOSS RA2000 MOUNTED DIAL & SENSOR...

$25.00 USD

Honeywell C7089U1006 outdoor Temp Sensor

Honeywell C7089U1006 outdoor Temp Sensor

$25.00 USD

Honeywell C7089U1006 outdoor Temp Sensor

$25.00 USD

Rectorseal 97647 Safe-T-Switch SS3 Low Voltage Condensate Overflow Shut Off

Rectorseal 97647 Safe-T-Switch SS3...

$13.99 USD

Rectorseal 97647 Safe-T-Switch SS3...

$13.99 USD

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

Waste Oil Burner Heater Cad Cell Eye...

$26.50 USD

Waste Oil Burner Heater Cad Cell Eye...

$26.50 USD

Monitor Kerosene Heater Flame sensor 6118 New Flame Detector Heat Tech

Monitor Kerosene Heater Flame sensor...

$40.89 USD

Monitor Kerosene Heater Flame sensor...

$40.89 USD

TOTALINE P291-1014 MUTI-PURPOSE CAPACITOR REPLACEMENT RUN 10+10 MFD OVAL

TOTALINE P291-1014 MUTI-PURPOSE...

$8.99 USD

TOTALINE P291-1014 MUTI-PURPOSE...

$8.99 USD

Honeywell P/N 50027680-002 Bradford White RTD Sensor New!! SHIPS FREE

Honeywell P/N 50027680-002 Bradford...

$14.91 USD

Honeywell P/N 50027680-002 Bradford...

$14.91 USD

Yellow Jacket 69073 Replacement Sensor for 69070 & 69075 SuperEvac™

Yellow Jacket 69073 Replacement...

$109.20 USD

Yellow Jacket 69073 Replacement...

$109.20 USD

Yellow Jacket 69073 Replacement Sensor for the 69075 SuperEvac

Yellow Jacket 69073 Replacement...

$109.20 USD

Yellow Jacket 69073 Replacement...

$109.20 USD

EMERSON COPELAND 985-0109-00 DEMAND COOLING SENSOR

EMERSON COPELAND 985-0109-00 DEMAND...

$65.00 USD

EMERSON COPELAND 985-0109-00 DEMAND...

$65.00 USD

Honeywell Pneumatic Temperature Sensor LP915A-1044-4 - 0 to 200F - New in Box

Honeywell Pneumatic Temperature...

$33.99 USD

Honeywell Pneumatic Temperature...

$33.99 USD

Siemens QAA2280.FWSC Air Temperature Sensor New in Box

Siemens QAA2280.FWSC Air Temperature...

$69.95 USD

Siemens QAA2280.FWSC Air Temperature...

$69.95 USD

Siemens 587-180 Room Temperature Sensor Talon White USA NEW

Siemens 587-180 Room Temperature...

$89.95 USD

Siemens 587-180 Room Temperature...

$89.95 USD

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

Flame Sensor Rod Compatible with...

$7.25 USD

Flame Sensor Rod Compatible with...

$7.25 USD

Copper Tube Expander For Hexagonal Handle Hand Drill Copper Tube Expandi-ji

Copper Tube Expander For Hexagonal...

$7.96 USD

Copper Tube Expander For Hexagonal...

$7.96 USD

Veris Industries PX3PLX02 Dry Pressure Sensor LCD Panel

Veris Industries PX3PLX02 Dry...

$127.99 USD

Veris Industries PX3PLX02 Dry...

$127.99 USD

Johnson Controls NSB8BHC340-0 Network Temp RH and CO2 Sensor - White

Johnson Controls NSB8BHC340-0 Network...

$275.00 USD

Johnson Controls NSB8BHC340-0 Network...

$275.00 USD

Temperature Sensor 1G498-83040 for Kubota RTV-X900 RTV-X1100 RTV-X1120 RTV-X1140

Temperature Sensor 1G498-83040 for...

$9.99 USD

Temperature Sensor 1G498-83040 for...

$9.99 USD

OEM NEW Robertshaw Lennox Armstrong Heating Flame Sensor Ignitor 10-227 18G89

OEM NEW Robertshaw Lennox Armstrong...

$9.99 USD

OEM NEW Robertshaw Lennox Armstrong...

$9.99 USD

Lot of 2 Honeywell C7250A1001 Electronic 20k Air Temperature Sensor NTC NOS

Lot of 2 Honeywell C7250A1001...

$32.00 USD

Lot of 2 Honeywell C7250A1001...

$32.00 USD

PFS014 Furnace Electode Flame Sensor for Carrier Bryant LH33WZ511 LH33WZ515

PFS014 Furnace Electode Flame Sensor...

$7.90 USD

PFS014 Furnace Electode Flame Sensor...

$7.90 USD

(One) Honeywell Home 50062329-001 10K Discharge/ Return Air Sensor 100+ Avail.

(One) Honeywell Home 50062329-001 10K...

$8.00 USD

(One) Honeywell Home 50062329-001 10K...

$8.00 USD

OEM NEW Emerson White Rodgers 790-843A1 Universal Flame Sensor FREE SHIPPING

OEM NEW Emerson White Rodgers...

$19.27 USD

OEM NEW Emerson White Rodgers...

$19.27 USD

RIELLO REPLACEMENT CAD CELL PHOTOCELL...

$28.20 USD

RIELLO REPLACEMENT CAD CELL PHOTOCELL...

$28.20 USD

Rectorseal Water Sensor Kit with 14 Vibration Isolators for Goliath Series

Rectorseal Water Sensor Kit with 14...

$10.99 USD

Rectorseal Water Sensor Kit with 14...

$10.99 USD

NEW Honeywell Home 50021579-001 Air Temperature Sensors | Lot of 29

NEW Honeywell Home 50021579-001 Air...

$170.00 USD

NEW Honeywell Home 50021579-001 Air...

$170.00 USD

VERIS CW SERIES CWLSHX WALL MOUNTED ENVIROMENTAL CO2 SENSOR

VERIS CW SERIES CWLSHX WALL MOUNTED...

$34.99 USD

VERIS CW SERIES CWLSHX WALL MOUNTED...

$34.99 USD

Trade Pro Condensate Drain Line Switch TP-CS2 Auxiliary Elbow Switch Pipe (NEW)

Trade Pro Condensate Drain Line...

$18.59 USD

Trade Pro Condensate Drain Line...

$18.59 USD

NEW! Service First/Trane Zone Sensor Wired: X13511528-01 Rev A. BAYSENS077

NEW! Service First/Trane Zone Sensor...

$29.50 USD

NEW! Service First/Trane Zone Sensor...

$29.50 USD

Ranco 1309007-044 Temperature Sensor, Gray, 22 Gauge Cable

Ranco 1309007-044 Temperature Sensor,...

$18.15 USD

Ranco 1309007-044 Temperature Sensor,...

$18.15 USD

Honeywell C7600C 2001 ANALOG Humidity Sensor New

Honeywell C7600C 2001 ANALOG Humidity...

$47.52 USD

Honeywell C7600C 2001 ANALOG Humidity...

$47.52 USD

Rheem Ruud Corsaire Furnace Flame Sensor 62-23543-01 SAME DAY SHIPPING

Rheem Ruud Corsaire Furnace Flame...

$7.51 USD

Rheem Ruud Corsaire Furnace Flame...

$7.51 USD

1- HONEYWELL RedLINK™ Wireless Outdoor temp/humidity Sensor C7089R1013

1- HONEYWELL RedLINK™ Wireless...

$50.00 USD

1- HONEYWELL RedLINK™ Wireless...

$50.00 USD

Liqui-Tect Liebert LT460 Zone Leak Detection Sensor

Liqui-Tect Liebert LT460 Zone Leak...

$95.00 USD

Liqui-Tect Liebert LT460 Zone Leak...

$95.00 USD

HONEYWELL C7232B1022 CO2 SENSOR AND CONTROLLER 24V With Display

HONEYWELL C7232B1022 CO2 SENSOR AND...

$95.00 USD

HONEYWELL C7232B1022 CO2 SENSOR AND...

$95.00 USD

Trane OEM Temperature Sensor SEN02133 SEN2133 X13651507-03 X13650726100

Trane OEM Temperature Sensor SEN02133...

$105.00 USD

Trane OEM Temperature Sensor SEN02133...

$105.00 USD

Trane SWT03335

$239.53 USD

$239.53 USD

HH79NZ074 Carrier Vvt4 Zone Sensor OEM HH79NZ074

HH79NZ074 Carrier Vvt4 Zone Sensor...

$99.99 USD

HH79NZ074 Carrier Vvt4 Zone Sensor...

$99.99 USD

SS2 Style Condensate Overflow Safety Switch 3/4 PVC Float Switch 10 PACK HVAC

SS2 Style Condensate Overflow Safety...

$160.00 USD

SS2 Style Condensate Overflow Safety...

$160.00 USD

Universal Flame Sensor

Universal Flame Sensor

$15.00 USD

Universal Flame Sensor

$15.00 USD

NEW BRADFORD WHITE RTD RESISTANCE TEMPERATURE DETECTOR SENSOR HONEYWELL

NEW BRADFORD WHITE RTD RESISTANCE...

$14.95 USD

NEW BRADFORD WHITE RTD RESISTANCE...

$14.95 USD

New RECTORSEAL 97695 SAFE-T-SWITCH SS700E ELECTRONIC CONDENSATE OVERFLOW SWITCH

New RECTORSEAL 97695 SAFE-T-SWITCH...

$19.00 USD

New RECTORSEAL 97695 SAFE-T-SWITCH...

$19.00 USD

NEW Genuine Protech SP20172 Flammable Vapor FV Sensor Kit

NEW Genuine Protech SP20172 Flammable...

$19.00 USD

NEW Genuine Protech SP20172 Flammable...

$19.00 USD

White-Rodgers 3098-134 Cycle Pilot Mercury Flame Sensor For Surface Ignition

White-Rodgers 3098-134 Cycle Pilot...

$118.00 USD

White-Rodgers 3098-134 Cycle Pilot...

$118.00 USD

NEW Goodman Amana Furnace OEM Flame Sensor 10735201 107352-01

NEW Goodman Amana Furnace OEM Flame...

$7.00 USD

NEW Goodman Amana Furnace OEM Flame...

$7.00 USD

SS2 Float Switch RectorSeal HVAC Condensate Safety Switch 3/4 Inch PVC

SS2 Float Switch RectorSeal HVAC...

$44.99 USD

SS2 Float Switch RectorSeal HVAC...

$44.99 USD

PFS114 Flame Sensor Packard Replaces Trane SEN1114 SEN0491

PFS114 Flame Sensor Packard Replaces...

$10.75 USD

PFS114 Flame Sensor Packard Replaces...

$10.75 USD

Rectorseal All-Access Condensate Cleanout w/Built-In Float Switch AA1-FS

Rectorseal All-Access Condensate...

$26.99 USD

Rectorseal All-Access Condensate...

$26.99 USD

L6008A1192 Honeywell Tradeline Aquastat Controller

L6008A1192 Honeywell Tradeline...

$75.00 USD

L6008A1192 Honeywell Tradeline...

$75.00 USD

Johnson Controls HE-67P3-0N00P Humidity Transmitter w/ Temp Sensor

Johnson Controls HE-67P3-0N00P...

$49.99 USD

Johnson Controls HE-67P3-0N00P...

$49.99 USD

Veris Dry Pressure Sensor PX3ULX05

Veris Dry Pressure Sensor PX3ULX05

$119.99 USD

Veris Dry Pressure Sensor PX3ULX05

$119.99 USD

Automated Logic Duct Temp Probe With J-box NSB-10K-2-D-4-A. Lot of 20

Automated Logic Duct Temp Probe With...

$100.00 USD

Automated Logic Duct Temp Probe With...

$100.00 USD

TRANE SEN02039 , OEM , Temperature Sensor,Fast Response sensor

TRANE SEN02039 , OEM , Temperature...

$100.00 USD

TRANE SEN02039 , OEM , Temperature...

$100.00 USD

Automated Logic ZS2-ALC Room Sensor

Automated Logic ZS2-ALC Room Sensor

$30.00 USD

Automated Logic ZS2-ALC Room Sensor

$30.00 USD

HONEYWELL 50001464-001 TEMPERATURE SENSOR PROBE W/LEADS L7224A/C L7248A/C BOILER

HONEYWELL 50001464-001 TEMPERATURE...

$12.00 USD

HONEYWELL 50001464-001 TEMPERATURE...

$12.00 USD

New Robertshaw 10-681 Flame Sensor for Carrier BDP LH33WZ511 Free Shipping

New Robertshaw 10-681 Flame Sensor...

$11.95 USD

New Robertshaw 10-681 Flame Sensor...

$11.95 USD

Siemens QAA2280.FWSC Air Temperature Sensor New in Box

Siemens QAA2280.FWSC Air Temperature...

$69.99 USD

Siemens QAA2280.FWSC Air Temperature...

$69.99 USD

NEW HONEYWELL C7189U1005 Remote Indoor Temperature Sensor - White

NEW HONEYWELL C7189U1005 Remote...

$25.90 USD

NEW HONEYWELL C7189U1005 Remote...

$25.90 USD

Dwyer Pafs-1007 Averaging Flow Sensor

Dwyer Pafs-1007 Averaging Flow Sensor

$39.00 USD

Dwyer Pafs-1007 Averaging Flow Sensor

$39.00 USD

Trane ZSENS930AW00MA Z-Wave Temperature and Humidity Sensor

Trane ZSENS930AW00MA Z-Wave...

$94.50 USD

Trane ZSENS930AW00MA Z-Wave...

$94.50 USD

O2 Oxygen Sensor 02 Downstream Rear For VW Volkswagen Beetle Jetta

O2 Oxygen Sensor 02 Downstream Rear...

$10.96 USD

O2 Oxygen Sensor 02 Downstream Rear...

$10.96 USD

Trane SEN02076 Reliatel Non-Programmable Wired Display Zone Sensor

Trane SEN02076 Reliatel...

$34.95 USD

Trane SEN02076 Reliatel...

$34.95 USD

*Sealed* leakSMART Pro 8850600 Sensor 2.0 Wireless & Waterproof Leak Detector

*Sealed* leakSMART Pro 8850600 Sensor...

$34.95 USD

*Sealed* leakSMART Pro 8850600 Sensor...

$34.95 USD