HVAC Controls and Thermostats Total Products: 281
Sub Collections
Potential Relay SPST 270V AC Coil
SUPCO
Original price
$35.84
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Original price
$35.84
Original price
$35.84
$35.84
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$35.84
Current price
$35.84
Potential Relay Pick-Up Voltage Setting Adjustability Adjustable Minimum Pick Up Voltage 110V AC Maximum Pick-Up Voltage 270V AC Maximum Drop Out V...
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Original price
$35.84
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Original price
$35.84
Original price
$35.84
$35.84
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$35.84
Current price
$35.84
Hard Start 243-292 MFD 1/2-1/3 ton
SUPCO
Original price
$32.00
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Original price
$32.00
Original price
$32.00
$32.00
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$32.00
Current price
$32.00
Hard Start Capacitor Microfarad Rating 243-292 MFD For Cooling Capacity Range 1/3 to 1/2 ton Torque Increase Percentage Not Applicable For Compress...
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Original price
$32.00
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Original price
$32.00
Original price
$32.00
$32.00
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$32.00
Current price
$32.00
Control Interlock
TJERNLUND
Original price
$296.99
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Original price
$296.99
Original price
$296.99
$296.99
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$296.99
Current price
$296.99
Universal Interlock Control Input Voltage 18 to 130V AC
Original price
$296.99
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Original price
$296.99
Original price
$296.99
$296.99
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$296.99
Current price
$296.99
Powers Positioning Relay
SIEMENS
Original price
$300.45
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Original price
$300.45
Original price
$300.45
$300.45
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$300.45
Current price
$300.45
Powers Positioning Relay Pneumatic Positioning Relay Control Range 3 to 12 psig Pressure Range 3 to 12 psig Air Connections 1/8 in NPT 410 scim Hei...
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Original price
$300.45
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Original price
$300.45
Original price
$300.45
$300.45
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$300.45
Current price
$300.45
Air Sensing Switch Adjustable SPDT Auto
CLEVELAND CONTROLS
Original price
$51.38
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Original price
$51.38
Original price
$51.38
$51.38
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$51.38
Current price
$51.38
Air Sensing Switch Pressure Setpoint Type Adjustable Pressure Type Differential Negative Mounting Orientation Vertical Maximum Pressure Setting 5 i...
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Original price
$51.38
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Original price
$51.38
Original price
$51.38
$51.38
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$51.38
Current price
$51.38
Relay Fan 24 Vac
WHITE-RODGERS
Original price
$12.63
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Original price
$12.63
Original price
$12.63
$12.63
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$12.63
Current price
$12.63
Magnetic Relay Coil Volts 24 Switch Type SPNO - HP 16 A 8 A Full Load Amps @ 120VAC - - - - 16 A 8 A Full Load Amps @ 240VAC - 6 A - Full Load Amps...
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Original price
$12.63
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Original price
$12.63
Original price
$12.63
$12.63
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$12.63
Current price
$12.63
Center Fan Control
HONEYWELL HOME
Original price
$95.11
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Original price
$95.11
Original price
$95.11
$95.11
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$95.11
Current price
$95.11
Transformer Relay Coil Volts 24 Transformer Primary (V) 120 V Transformer Secondary (V) 24 V Switch Type SPDT 3/4 hp HP - 12 A Full Load Amps @ 120...
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Original price
$95.11
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Original price
$95.11
Original price
$95.11
$95.11
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$95.11
Current price
$95.11
Air Pressure Switch Adjustable SPDT Auto
DWYER
Original price
$43.23
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Original price
$43.23
Original price
$43.23
$43.23
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$43.23
Current price
$43.23
Air Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Pressure Setting 20 in wc Mi...
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Original price
$43.23
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Original price
$43.23
Original price
$43.23
$43.23
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$43.23
Current price
$43.23
Air Pressure Switch Adjustable SPDT Auto
DWYER
Original price
$45.59
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Original price
$45.59
Original price
$45.59
$45.59
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$45.59
Current price
$45.59
Air Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Pressure Setting 10 in wc Mi...
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Original price
$45.59
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Original price
$45.59
Original price
$45.59
$45.59
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$45.59
Current price
$45.59
Air Pressure Switch Adjustable SPDT Auto
DWYER
Original price
$45.91
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Original price
$45.91
Original price
$45.91
$45.91
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$45.91
Current price
$45.91
Air Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Pressure Setting 4 in wc Min...
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Original price
$45.91
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Original price
$45.91
Original price
$45.91
$45.91
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$45.91
Current price
$45.91
Air Pressure Switch Adjustable SPDT Auto
DWYER
Original price
$48.86
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Original price
$48.86
Original price
$48.86
$48.86
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$48.86
Current price
$48.86
Air Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Pressure Setting 2 in wc Min...
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Original price
$48.86
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Original price
$48.86
Original price
$48.86
$48.86
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$48.86
Current price
$48.86
Air Pressure Switch Adjustable SPDT Auto
DWYER
Original price
$46.18
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Original price
$46.18
Original price
$46.18
$46.18
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$46.18
Current price
$46.18
Air Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Pressure Setting 1.6 in wc M...
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Original price
$46.18
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Original price
$46.18
Original price
$46.18
$46.18
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$46.18
Current price
$46.18
Thermostat Electronic
PECO
Original price
$146.27
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Original price
$146.27
Original price
$146.27
$146.27
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$146.27
Current price
$146.27
VAV Thermostat Proportional Heat or Cool Independent fan circuitry provides switching for up to three fan speeds Application Proportional Control o...
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Original price
$146.27
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Original price
$146.27
Original price
$146.27
$146.27
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$146.27
Current price
$146.27
Mercury Flame Sensor 48 in Lead
WHITE-RODGERS
Original price
$302.55
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Original price
$302.55
Original price
$302.55
$302.55
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$302.55
Current price
$302.55
Flame Sensor Replacement Type Universal Compatible Ignition System Type Hot Surface Ignition Bracket Type Universal Probe Tip Angle Not Applicable ...
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Original price
$302.55
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Original price
$302.55
Original price
$302.55
$302.55
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$302.55
Current price
$302.55
Mercury Flame Sensor 48 in Lead
WHITE-RODGERS
Original price
$306.59
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Original price
$306.59
Original price
$306.59
$306.59
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$306.59
Current price
$306.59
Flame Sensor Replacement Type Universal Compatible Ignition System Type Hot Surface Ignition Bracket Type Universal Probe Tip Angle Not Applicable ...
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Original price
$306.59
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Original price
$306.59
Original price
$306.59
$306.59
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$306.59
Current price
$306.59
Speed Control 277V AC SPST 10 A
VES ENIRONMENTAL SOULTIONS
Original price
$209.22
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Original price
$209.22
Original price
$209.22
$209.22
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$209.22
Current price
$209.22
Speed Control Switch Type Dial Contact Form SPST Input Voltage 277V AC Maximum Input Current 10 A Number of Switches or Dials 3 Plate Material Alum...
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Original price
$209.22
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Original price
$209.22
Original price
$209.22
$209.22
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$209.22
Current price
$209.22
Relay Fan 24 Vac
WHITE-RODGERS
Original price
$19.28
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Original price
$19.28
Original price
$19.28
$19.28
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$19.28
Current price
$19.28
Magnetic Relay Coil Volts 24 Switch Type SPDT - HP 18 A 12 A Full Load Amps @ 120VAC - - - - 18 A 8 A Full Load Amps @ 240VAC - 18 A - Full Load Am...
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Original price
$19.28
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Original price
$19.28
Original price
$19.28
$19.28
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$19.28
Current price
$19.28
Magnetic Relay 24V Coil 30A
DAYTON
Original price
$37.67
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Original price
$37.67
Original price
$37.67
$37.67
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$37.67
Current price
$37.67
Relay Coil Volts 24 Switch Type DPST 30 A 30 A Full Load Amps @ 120VAC 120 A Foot Mounting Air Conditioning And Refrigeration UL Includes 4-1/4 Qui...
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Original price
$37.67
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Original price
$37.67
Original price
$37.67
$37.67
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$37.67
Current price
$37.67
Low Water Cutoff NPT Electronic NEMA 1
TACO
Original price
$293.68
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Original price
$293.68
Original price
$293.68
$293.68
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$293.68
Current price
$293.68
Low Water Cutoff NPT Electronic 1 Switch Type Single Pole Double Throw 5.75 4.4 3 Enclosure Type NEMA 1 Green 3/4 in Input Voltage 120VAC 7.5A@120V...
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Original price
$293.68
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Original price
$293.68
Original price
$293.68
$293.68
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$293.68
Current price
$293.68
Low Water Cutoff NPT Electronic NEMA 1
TACO
Original price
$286.86
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Original price
$286.86
Original price
$286.86
$286.86
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$286.86
Current price
$286.86
Low Water Cutoff NPT Electronic 1 Switch Type Single Pole Double Throw 5.75 4.4 3 Enclosure Type NEMA 1 Green 3/4 in Input Voltage 24VAC 7.5A@120VA...
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Original price
$286.86
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Original price
$286.86
Original price
$286.86
$286.86
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$286.86
Current price
$286.86
Low Water Cutoff NPT Electronic NEMA 1
TACO
Original price
$241.17
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Original price
$241.17
Original price
$241.17
$241.17
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$241.17
Current price
$241.17
Low Water Cutoff NPT Electronic 1 Switch Type Single Pole Double Throw 5.75 4.4 3 Enclosure Type NEMA 1 Green 3/4 in Input Voltage 120VAC 7.5A@120V...
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Original price
$241.17
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Original price
$241.17
Original price
$241.17
$241.17
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$241.17
Current price
$241.17
Low Water Cutoff NPT Electronic NEMA 1
TACO
Original price
$246.28
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Original price
$246.28
Original price
$246.28
$246.28
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$246.28
Current price
$246.28
Low Water Cutoff NPT Electronic 1 Switch Type Single Pole Double Throw 5.75 4.4 3 Enclosure Type NEMA 1 Green 3/4 in Input Voltage 24VAC 7.5A@120VA...
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Original price
$246.28
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Original price
$246.28
Original price
$246.28
$246.28
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$246.28
Current price
$246.28
Low Water Cutoff NPT Electronic NEMA 1
TACO
Original price
$167.11
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Original price
$167.11
Original price
$167.11
$167.11
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$167.11
Current price
$167.11
Low Water Cutoff NPT Electronic 1 Switch Type Single Pole Double Throw 5.75 4.4 3 Enclosure Type NEMA 1 Green 3/4 in Input Voltage 24VAC 7.5A@120VA...
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Original price
$167.11
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Original price
$167.11
Original price
$167.11
$167.11
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$167.11
Current price
$167.11
Low Water Cutoff NPT Electronic NEMA 1
TACO
Original price
$152.35
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Original price
$152.35
Original price
$152.35
$152.35
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$152.35
Current price
$152.35
Low Water Cutoff NPT Electronic 1 Switch Type Single Pole Double Throw 3.5 1.8 1.8 Enclosure Type NEMA 1 Black 3/4 in Input Voltage 24VAC 5A@24VAC ...
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Original price
$152.35
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Original price
$152.35
Original price
$152.35
$152.35
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$152.35
Current price
$152.35