Limit Switches

Sidebar

Brand

Product type

Availability

Price

$
to
$
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • TRANE
    Trane CNT1034 High Limit Switch 160F SPST N/C
    SKU: CNT1034
    Product DescriptionThe Trane CNT1034 is a high limit switch that operates as a single pole, single throw (SPST) normally closed (N/C) control. It is designed to monitor and control temperatures reaching up to 160 degrees Fahrenheit, ensuring safety and efficiency in HVAC systems. Automatically...
    $66.39
    $66.39
  • Supco Therm-O-Disc SHL517
    SUPCO
    Supco SHL517 SPST SHL Series Plenum-Mount Thermostat, L220-40 (120/240V)
    SKU: SHL517
    ThermODisc SHL Plenum Thermostat 220 deg F 40 deg F Differential SPST Switch • 3.12 Inch insertion length • 2.94 Inch board height • 1.88 Inch board width • Use 36T electrical ratings • EconomicalStandard/Approvals: CSA Certified UL ListedApplication: Gas Furnace
    $21.99
    $21.99
  • Raypak 600893B High Limit 140F Auto Reset-Kit
    RAYPAK
    Raypak 600893B High Limit 140F Auto Reset-Kit
    SKU: 600893B
    Product DescriptionThe Raypak 600893B High Limit Auto Reset Kit is designed to ensure safe operation for pool heating systems. This product features an automatic reset function that activates at a temperature of one hundred forty degrees Fahrenheit. It is essential for preventing overheating and...
    $46.04
    $46.04
  • Supco ML50
    SUPCO
    Supco ML50
    SKU: ML50
    Supco ML Defrost Thermostat 30 50 deg F 20 deg F Differential SPST Switch 240 VAC 10 A at 120 V 5 A at 240 V • Sealed construction provides moisture resistance for moisture prone environments • Up to 1200 W • 24 Inch...
    $21.99
    $21.99
  • Supco STC5377 Thermal Cut-Off
    BROAN-NUTONE
    Supco STC5377 Thermal Cut-Off
    SKU: STC5377
    Supco Thermal Cutout Style B 120 VAC 15 A 377 deg F Open� Provides reliable back up protection for temperature controlling thermostats� Applied to millions of appliances and personal care productsStandard/Approvals: CSA CertifiedApplication: Industrial Equipment Office Machines and Portable Heaters
    $21.99
    $21.99
  • Raypak 600892B High Limit 135F Auto Reset-KitRaypak 600892B High Limit 135F Auto Reset-Kit
    RAYPAK
    Raypak 600892B High Limit 135F Auto Reset-Kit
    SKU: 600892B
    Product DescriptionThe Raypak 600892B High Limit 135F Auto Reset-Kit is a crucial component for pool and spa heating systems. This auto-reset kit ensures precise temperature control and reliable operation, making it an essential part for maintaining your pool or spa heater. Auto-reset functionality for...
    $42.79
    $42.79
  • MARS 39220 390 Series 2 in. High/Low Limit SwitchMARS 39220 390 Series 2 in. High/Low Limit Switch
    MARS
    MARS 39220 390 Series 2 in. High/Low Limit Switch
    SKU: 39220
    Product DescriptionThe MARS 390 Series 2 in. High/Low Limit Switch, MPN 39220, effectively monitors temperature in heating systems. It is useful for a wide range of HVAC applications. The switch is adjustable between one hundred thirty-five and one hundred seventy-five degrees Fahrenheit. This makes...
    $39.80
    $39.80
  • Supco ML70
    SUPCO
    Supco ML70
    SKU: ML70
    Supco ML Defrost Thermostat 50 70 deg F 20 deg F Differential SPST Switch 240 VAC 10 A at 120 V 5 A at 240 V • Sealed construction provides moisture resistance for moisture prone environments • Up to 1200 W • 24 Inch...
    $21.99
    $21.99
  • MARS 39225 390 Series 2 in. High/Low Limit SwitchMARS 39225 390 Series 2 in. High/Low Limit Switch
    MARS
    MARS 39225 390 Series 2 in. High/Low Limit Switch
    SKU: 39225
    Product DescriptionThe MARS 390 Series High/Low Limit Switch with MPN 39225 is designed for HVAC applications. It monitors temperature levels effectively. This switch features easy adjustment and quick installation. Features six controls for various applications Made with 1/4 inch quick connect terminals Adjustable dial...
    $39.49
    $39.49
  • MARS 39210 Series 390 120V 1-1/5 in. HVAC Thermostat ControlMARS 39210 Series 390 120V 1-1/5 in. HVAC Thermostat Control
    MARS
    MARS 39210 Series 390 120V 1-1/5 in. HVAC Thermostat Control
    SKU: 39210
    Product DescriptionThe MARS 39210 Series 390 is a 120V HVAC thermostat control designed for reliable temperature management. This adjustable fan and limit thermostat is suitable for a variety of heating and cooling systems. It features an easy-to-use dial to set the desired temperature quickly....
    $39.49
    $39.49
  • MARS 39042 Series 390 240F Manual Reset Limit SwitchMARS 39042 Series 390 240F Manual Reset Limit Switch
    MARS
    MARS 39042 Series 390 240F Manual Reset Limit Switch
    SKU: 39042
    Product DescriptionThe MARS 39042 Series 390 is a manual reset limit switch designed to operate at temperatures up to 240 degrees Fahrenheit. This switch is suitable for HVAC applications requiring accurate limit control. Operates at 120/240 V and supports 5-10 A. Integral oval flange...
    $34.04
    $34.04
  • Supco ML55
    SUPCO
    Supco ML55
    SKU: ML55
    Supco ML Defrost Thermostat 35 55 deg F 20 deg F Differential SPST Switch 240 VAC 10 A at 120 V 5 A at 240 V • Sealed construction provides moisture resistance for moisture prone environments • Up to 1200 W • 24 Inch...
    $21.99
    $21.99
  • Supco WaterFurnace L145 Primary Limit Switch For ECM12
    BROAN-NUTONE
    Supco WaterFurnace L145 Primary Limit Switch For ECM12
    SKU: L145
    ThermODisc L Series Limit Thermostat 125 145 deg F 20 deg F Differential Opens On Rise SPST Switch 120/240 VAC 10 14 A Vertical Mount 1 Inch L x 23/4 Inch W x 11/2 Inch H� Close when temperature differential is reached� 1/4 Inch...
    $21.99
    $21.99
  • Supco STC5257
    SUPCO
    Supco STC5257 Thermal Cutoff (2-Pack)
    SKU: STC5257
    Supco Thermal Cutout Style A 120 VAC 15 A 257 deg F Open • Provides reliable back up protection for temperature controlling thermostats • Applied to millions of appliances and personal care productsStandard/Approvals: CSA CertifiedApplication: Industrial Equipment Office Machines and Portable Heaters
    $21.99
    $21.99
    each
  • Burnham 109610-01 Manual Reset Blocked Vent Switch w/ Bracket for 202-210 & 805-810 BoilersBurnham 109610-01 Manual Reset Blocked Vent Switch w/ Bracket for 202-210 & 805-810 Boilers
    BURNHAM
    Burnham 109610-01 Manual Reset Blocked Vent Switch w/ Bracket for 202-210 & 805-810 Boilers
    SKU: 109610-01
    Product DescriptionThe Burnham 109610-01 is a manual reset blocked vent switch designed for use with Burnham boilers including models 202-210 and 805-810. This switch is essential for maintaining safe operation by preventing boiler ignition under unsafe venting conditions. It features a bracket for easy...
    $53.33
    $53.33
  • White-Rodgers 416-4 Single Fan or Limit Control 100/350FWhite-Rodgers 416-4 Single Fan or Limit Control 100/350F
    WHITE-RODGERS
    White-Rodgers 416-4 Single Fan or Limit Control 100/350F
    SKU: 416-4
    Product DescriptionThe White-Rodgers 416-4 fan and limit control ensures optimal performance in heating systems, catering to both fan operation and high limit functions. This reliable device, adjustable through its front-face cover, simplifies monitoring and setting temperature thresholds. Flexible hydraulic action element that can be...
    $248.50
    $248.50
  • Supco L135 Therm-O-Disc Fan and Limit Thermostat
    BROAN-NUTONE
    Supco L135 Therm-O-Disc Fan and Limit Thermostat
    SKU: L135
    ThermODisc L Series Limit Thermostat 120 135 deg F 15 deg F Differential Opens On Rise SPST Switch 120/240 VAC 10 14 A Vertical Mount� Close when temperature differential is reached� 1/4 Inch quick disconnect terminals� Switch closes at 120 deg F� Switch opens...
    $21.99
    $21.99
  • Supco SHL514 SPST SHL Series Plenum-Mount Thermostat, L180-40 (120/240V)
    BROAN-NUTONE
    Supco SHL514 SPST SHL Series Plenum-Mount Thermostat, L180-40 (120/240V)
    SKU: SHL514
    ThermODisc SHL Plenum Thermostat 180 deg F 40 deg F Differential SPST Switch� 3.12 Inch insertion length� 2.94 Inch board height� 1.88 Inch board width� Use 36T electrical ratings� EconomicalStandard/Approvals: CSA Certified UL ListedApplication: Gas Furnace
    $25.33
    $25.33
  • Supco ML45
    SUPCO
    Supco ML45
    SKU: ML45
    Supco ML Defrost Thermostat 25 45 deg F 20 deg F Differential SPST Switch 240 VAC 10 A at 120 V 5 A at 240 V • Sealed construction provides moisture resistance for moisture prone environments • Up to 1200 W • 24 Inch...
    $21.99
    $21.99
  • Supco Therm-O-Disc LD200
    SUPCO
    Supco LD200 Therm-O-Disc Fan and Limit Thermostat
    SKU: LD200
    ThermODisc LD Mechanical Thermostat 160 200 deg F 40 deg F Differential Open On Rise SPDT Switch 240 VAC 25 A • Welded construction for integrity of current carrying components • 1/4 Inch quick disconnect terminalsStandard/Approvals: CSA Certified UL ListedApplication: Home Laundry Dryers Fan...
    $21.99
    $21.99

Recently Viewed Products

Customer Support Image

Need Support?

Call Jack and His Team