Skip to content
HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 2605

Filters

$
$

Zone Valve Inverted Flare Sz ID 1/2In

HONEYWELL HOME
Original price $199.31 - Original price $199.31
Original price
$199.31
$199.31 - $199.31
Current price $199.31

Zone Valve Inverted Flare Solder Connection Sz ID 1/2 In Height 5 1/4 In Width 2 3/8 In Depth 3 1/2 In Steam Capacity 3.5 Lb/Hr Max Water Temp 200 ...

View full Details
Original price $199.31 - Original price $199.31
Original price
$199.31
$199.31 - $199.31
Current price $199.31

Zone Valve Sweat Sz ID 3/4In

HONEYWELL HOME
Original price $172.58 - Original price $172.58
Original price
$172.58
$172.58 - $172.58
Current price $172.58

Zone Valve Sweat Solder Connection Sz ID 3/4 In Height 5 1/4 In Width 2 3/8 In Depth 3 1/2 In Steam Capacity 3.5 Lb/Hr Max Water Temp 200 Deg F Vol...

View full Details
Original price $172.58 - Original price $172.58
Original price
$172.58
$172.58 - $172.58
Current price $172.58

Furnace Control Board 120V AC Control

WHITE-RODGERS
Original price $257.03 - Original price $257.03
Original price
$257.03
$257.03 - $257.03
Current price $257.03

Furnace Control Board Replacement Type OEM Board Type Integrated Compatible with Brand Lennox White-Rodgers OEM Replacement Part Number 100925-01 1...

View full Details
Original price $257.03 - Original price $257.03
Original price
$257.03
$257.03 - $257.03
Current price $257.03

Valve And Actuator Pneumatic Pipe 1/2 In

SIEMENS
Original price $189.96 - Original price $189.96
Original price
$189.96
$189.96 - $189.96
Current price $189.96

Pneumatic Control Valve Globe Pipe (In.) 1/2 NPT Valve Body Material Bronze Width (In.) 4 in Height (In.) 4 in Valve Type 2-Way NO Cv 4 Spring Rang...

View full Details
Original price $189.96 - Original price $189.96
Original price
$189.96
$189.96 - $189.96
Current price $189.96

Pneumatic Tstat Heat or Cool 1Pipe Low

SIEMENS
Original price $161.75 - Original price $161.75
Original price
$161.75
$161.75 - $161.75
Current price $161.75

Pneumatic Thermostat Direct Acting 1 Pipe Heating and Cooling Single Temperature Control Air Pressure 3 to 15 psi Air Connections 5/32 in Barb Elem...

View full Details
Original price $161.75 - Original price $161.75
Original price
$161.75
$161.75 - $161.75
Current price $161.75

Linear Pneumatic Actuator Pivot

POWERS CONTROLS
Original price $187.81 - Original price $187.81
Original price
$187.81
$187.81 - $187.81
Current price $187.81

Linear Pneumatic Actuator Operating PSI Range 3 to 7 Max Air Pressure 20 psi Stroke 2 3/8 in Nominal Spring Range 8 to 13 psi Mounting Type Pivot N...

View full Details
Original price $187.81 - Original price $187.81
Original price
$187.81
$187.81 - $187.81
Current price $187.81

Cal-Stat Tstat Basic 2 1/2in insertion

VULCAN
Original price $138.90 - Original price $138.90
Original price
$138.90
$138.90 - $138.90
Current price $138.90

Cal-Stat Thermostat Thermostat Type Process Thermostat Sheath Dia 1/2 in Overall Length 3 1/4 in Insertion Depth 2 5/8 in Switch Action Close on Ri...

View full Details
Original price $138.90 - Original price $138.90
Original price
$138.90
$138.90 - $138.90
Current price $138.90

Time Delay Relay No914096

NORDYNE
Original price $97.52 - Original price $97.52
Original price
$97.52
$97.52 - $97.52
Current price $97.52

Time Delay Relay No914096

Original price $97.52 - Original price $97.52
Original price
$97.52
$97.52 - $97.52
Current price $97.52

Time Delay Relay No105144000R

NORDYNE
Original price $81.70 - Original price $81.70
Original price
$81.70
$81.70 - $81.70
Current price $81.70

Time Delay Relay No105144000R

Original price $81.70 - Original price $81.70
Original price
$81.70
$81.70 - $81.70
Current price $81.70

Time Delay Relay Mh5H0717900000

MODINE PARTS
Original price $134.72 - Original price $134.72
Original price
$134.72
$134.72 - $134.72
Current price $134.72

Time Delay Relay Mh5H0717900000

Original price $134.72 - Original price $134.72
Original price
$134.72
$134.72 - $134.72
Current price $134.72

Time Delay Relay Le58C99

LENNOX
Original price $68.60 - Original price $68.60
Original price
$68.60
$68.60 - $68.60
Current price $68.60

Time Delay Relay Le58C99

Original price $68.60 - Original price $68.60
Original price
$68.60
$68.60 - $68.60
Current price $68.60

Time Delay Relay 300S Mq028210138

MCQUAY/DAIKIN
Original price $195.44 - Original price $195.44
Original price
$195.44
$195.44 - $195.44
Current price $195.44

Time Delay Relay 300S Mq028210138

Original price $195.44 - Original price $195.44
Original price
$195.44
$195.44 - $195.44
Current price $195.44

Time Delay Relay Kit No918476

NORDYNE
Original price $127.26 - Original price $127.26
Original price
$127.26
$127.26 - $127.26
Current price $127.26

Time Delay Relay Kit No918476

Original price $127.26 - Original price $127.26
Original price
$127.26
$127.26 - $127.26
Current price $127.26

Time Delay Fuse 30A 600V Ms81138

MARS
Original price $26.09 - Original price $26.09
Original price
$26.09
$26.09 - $26.09
Current price $26.09

Time Delay Fuse 30A 600V Ms81138

Original price $26.09 - Original price $26.09
Original price
$26.09
$26.09 - $26.09
Current price $26.09

Suction Pressure Switch 25 Le79J08

LENNOX
Original price $64.86 - Original price $64.86
Original price
$64.86
$64.86 - $64.86
Current price $64.86

Suction Pressure Switch

Original price $64.86 - Original price $64.86
Original price
$64.86
$64.86 - $64.86
Current price $64.86

Temperature Sensor Thermistor 6ft Probe

MAMAC PARTS
Original price $19.72 - Original price $19.72
Original price
$19.72
$19.72 - $19.72
Current price $19.72

Temperature Sensor Display Type None Sensing Element Type Thermistor Probe Length 6 ft Electrical Connection Type Screw Terminals NEMA Rating 4 Mou...

View full Details
Original price $19.72 - Original price $19.72
Original price
$19.72
$19.72 - $19.72
Current price $19.72

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

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