Skip to content
HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 3109

Filters

$
$

SENSORS(TEMP/HUMIDITY/ETC.)

MAMAC PARTS
Original price $22.19 - Original price $22.19
Original price
$22.19
$22.19 - $22.19
Current price $22.19

Strap On 1K Sensor 2 in Mpte-704-A-14 Mounting Location Surface Mount Probe Length 6 ft Electrical Connection Type Screw Terminals Enclosure Materi...

View full Details
Original price $22.19 - Original price $22.19
Original price
$22.19
$22.19 - $22.19
Current price $22.19

Steam Cylinder Canister Ley3481

LENNOX
Original price $358.44 - Original price $358.44
Original price
$358.44
$358.44 - $358.44
Current price $358.44

Steam Cylinder Canister Ley3481

Original price $358.44 - Original price $358.44
Original price
$358.44
$358.44 - $358.44
Current price $358.44

Thermostat

MCQUAY/DAIKIN
Original price $595.17 - Original price $595.17
Original price
$595.17
$595.17 - $595.17
Current price $595.17

Static Pressure Sensor Kit Mq090009001

Original price $595.17 - Original price $595.17
Original price
$595.17
$595.17 - $595.17
Current price $595.17

Ss Heat Exchanger Le57W87

LENNOX
Original price $1,183.88 - Original price $1,183.88
Original price
$1,183.88
$1,183.88 - $1,183.88
Current price $1,183.88

Heat Exchanger Cover Plate Material Stainless Steel Weight 46 lb

Original price $1,183.88 - Original price $1,183.88
Original price
$1,183.88
$1,183.88 - $1,183.88
Current price $1,183.88

CONTROLS - PRESSURE

LENNOX
Original price $148.16 - Original price $148.16
Original price
$148.16
$148.16 - $148.16
Current price $148.16

Spst Pressure Switch Le52M40 Contact Form SPST

Original price $148.16 - Original price $148.16
Original price
$148.16
$148.16 - $148.16
Current price $148.16

CONTROLS - PRESSURE

MARS
Original price $88.09 - Original price $88.09
Original price
$88.09
$88.09 - $88.09
Current price $88.09

Spst Open Fall Sw 400Ci 300Co Ms43307 Sample Line Connection Size 1/4 in Sample Line Connector Type Flare Input Voltage 24 to 250V Contact Form SPS...

View full Details
Original price $88.09 - Original price $88.09
Original price
$88.09
$88.09 - $88.09
Current price $88.09

CONTROLS - PRESSURE

MARS
Original price $91.53 - Original price $91.53
Original price
$91.53
$91.53 - $91.53
Current price $91.53

Spst Open Fall Sw 225Ci 150Co Ms43304 Sample Line Connection Size 1/4 in Sample Line Connector Type Flare Input Voltage 24 to 250V Contact Form SPS...

View full Details
Original price $91.53 - Original price $91.53
Original price
$91.53
$91.53 - $91.53
Current price $91.53

SENSORS(TEMP/HUMIDITY/ETC.)

MCDONNELL MILLER
Original price $381.30 - Original price $381.30
Original price
$381.30
$381.30 - $381.30
Current price $381.30

Singlelevelsensor High 176199 Mmrs-1-Hp Display Type Not Applicable Display Units Not Applicable Display Resolution Not Applicable Overall Length 3...

View full Details
Original price $381.30 - Original price $381.30
Original price
$381.30
$381.30 - $381.30
Current price $381.30

SensorWire 18 Lead W088901018

LENNOX
Original price $15.75 - Original price $15.75
Original price
$15.75
$15.75 - $15.75
Current price $15.75

Sensorwire 18 in Lead W088901018 Le14F53 Display Type Not Applicable Display Units Not Applicable Display Resolution Not Applicable

Original price $15.75 - Original price $15.75
Original price
$15.75
$15.75 - $15.75
Current price $15.75

Temp/Humidity Sensor Thermistor -200 F

MAMAC PARTS
Original price $113.58 - Original price $113.58
Original price
$113.58
$113.58 - $113.58
Current price $113.58

Temperature and Humidity Sensor Sensing Element Type Thermistor Housing Material Plastic Probe Length 12 ft Maximum Sensing Temperature 200 Degrees...

View full Details
Original price $113.58 - Original price $113.58
Original price
$113.58
$113.58 - $113.58
Current price $113.58

Temp/Humidity Sensor Thermistor 10K ohm

MAMAC PARTS
Original price $107.90 - Original price $107.90
Original price
$107.90
$107.90 - $107.90
Current price $107.90

Temperature and Humidity Sensor Sensing Element Type Thermistor Housing Material Plastic Probe Length 12 ft Loop Resistance 10k ohm Overall Length ...

View full Details
Original price $107.90 - Original price $107.90
Original price
$107.90
$107.90 - $107.90
Current price $107.90

Temp/Humidity Sensor Thermistor -210 F

MAMAC PARTS
Original price $31.23 - Original price $31.23
Original price
$31.23
$31.23 - $31.23
Current price $31.23

Temperature and Humidity Sensor Sensing Element Type Thermistor Housing Material Plastic Probe Length 6 in Maximum Sensing Temperature 210 Degrees ...

View full Details
Original price $31.23 - Original price $31.23
Original price
$31.23
$31.23 - $31.23
Current price $31.23

Temp/Humidity Sensor Thermistor -210 F

MAMAC PARTS
Original price $23.39 - Original price $23.39
Original price
$23.39
$23.39 - $23.39
Current price $23.39

Temperature and Humidity Sensor Sensing Element Type Thermistor Housing Material Plastic Probe Length 4 in Maximum Sensing Temperature 210 Degrees ...

View full Details
Original price $23.39 - Original price $23.39
Original price
$23.39
$23.39 - $23.39
Current price $23.39

Temp/Humidity Sensor Thermistor -210 F

MAMAC PARTS
Original price $13.62 - Original price $13.62
Original price
$13.62
$13.62 - $13.62
Current price $13.62

Temperature and Humidity Sensor Sensing Element Type Thermistor Housing Material Plastic Probe Length 6 in Maximum Sensing Temperature 210 Degrees ...

View full Details
Original price $13.62 - Original price $13.62
Original price
$13.62
$13.62 - $13.62
Current price $13.62

SENSORS(TEMP/HUMIDITY/ETC.)

MAMAC PARTS
Original price $35.02 - Original price $35.02
Original price
$35.02
$35.02 - $35.02
Current price $35.02

Sensors(Te 10K Ohm Ntc Outdr Air Sensor Electrical Connection Type Hardwired Enclosure Material Aluminum Display Type Not Applicable Display Units ...

View full Details
Original price $35.02 - Original price $35.02
Original price
$35.02
$35.02 - $35.02
Current price $35.02

SENSORS(TEMP/HUMIDITY/ETC.)

LENNOX
Original price $66.28 - Original price $66.28
Original price
$66.28
$66.28 - $66.28
Current price $66.28

Sensor Le90H83 Display Type Not Applicable Display Units Not Applicable Display Resolution Not Applicable

Original price $66.28 - Original price $66.28
Original price
$66.28
$66.28 - $66.28
Current price $66.28

SENSORS(TEMP/HUMIDITY/ETC.)

MAMAC PARTS
Original price $29.92 - Original price $29.92
Original price
$29.92
$29.92 - $29.92
Current price $29.92

Sensor 1K Ohm 6 in Mpte-703-A-3-B-2 Probe Length 6 in Electrical Connection Type Screw Terminals Enclosure Material Steel Display Type Not Applicab...

View full Details
Original price $29.92 - Original price $29.92
Original price
$29.92
$29.92 - $29.92
Current price $29.92

SENSORS(TEMP/HUMIDITY/ETC.)

MCQUAY/DAIKIN
Original price $77.26 - Original price $77.26
Original price
$77.26
$77.26 - $77.26
Current price $77.26

Sensor 10K 80 in Lead Mq107201601 Probe Length 80 in Electrical Connection Type Hardwired Display Type Not Applicable Display Units Not Applicable ...

View full Details
Original price $77.26 - Original price $77.26
Original price
$77.26
$77.26 - $77.26
Current price $77.26

Secondary Heat Exchanger Le57W63

LENNOX
Original price $1,682.27 - Original price $1,682.27
Original price
$1,682.27
$1,682.27 - $1,682.27
Current price $1,682.27

Secondary Heat Exchanger Weight 9.9 lb

Original price $1,682.27 - Original price $1,682.27
Original price
$1,682.27
$1,682.27 - $1,682.27
Current price $1,682.27

Probe 60 179550 Mmp-5-Ss

MCDONNELL MILLER
Original price $185.24 - Original price $185.24
Original price
$185.24
$185.24 - $185.24
Current price $185.24

Probe 60 in 179550 Mmp-5-Ss

Original price $185.24 - Original price $185.24
Original price
$185.24
$185.24 - $185.24
Current price $185.24

Probe 48 179545 Mmp-4-Ss

MCDONNELL MILLER
Original price $149.49 - Original price $149.49
Original price
$149.49
$149.49 - $149.49
Current price $149.49

Probe 48 in 179545 Mmp-4-Ss

Original price $149.49 - Original price $149.49
Original price
$149.49
$149.49 - $149.49
Current price $149.49

Probe 4 Alum. Static 1/4 Barb

MAMAC PARTS
Original price $15.40 - Original price $15.40
Original price
$15.40
$15.40 - $15.40
Current price $15.40

Probe

Original price $15.40 - Original price $15.40
Original price
$15.40
$15.40 - $15.40
Current price $15.40

Probe

MAMAC PARTS
Original price $24.10 - Original price $24.10
Original price
$24.10
$24.10 - $24.10
Current price $24.10

Probe

Original price $24.10 - Original price $24.10
Original price
$24.10
$24.10 - $24.10
Current price $24.10

Probe

MAMAC PARTS
Original price $133.10 - Original price $133.10
Original price
$133.10
$133.10 - $133.10
Current price $133.10

Probe

Original price $133.10 - Original price $133.10
Original price
$133.10
$133.10 - $133.10
Current price $133.10

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare