Limit Switches

Limit Switches control equipment movement and detect object positions in HVAC, plumbing, and industrial systems. These crucial safety devices prevent equipment damage by automatically cutting power when preset limits are reached. Jackson Systems stocks quality switches in multiple actuator types and contact configurations – shop our complete selection today!

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Showing 1489–1536 of 1779 resultsSorted by popularity

Pilot duty thermostat, 175–550°F range, 60″ capillary

Robertshaw

SKU: 5300-735
$135.23
MSRP: $155.51
You save 13%
Robertshaw 5300-735 Pilot Duty Thermostat, 175–550°F, 60" Capillary quantity
450°F Manual Reset Hi-Limit Control with 30″ Capillary Tube

Robertshaw

SKU: 5225-009
$169.99
MSRP: $195.49
You save 15%
Robertshaw 5225-009 450°F Manual Reset Hi-Limit Control, 30" Capillary quantity
200–450°F High-Limit Capillary Thermostat with 36″ Capillary

Robertshaw

SKU: 5300-114
$134.23
MSRP: $154.36
You save 13%
Robertshaw 5300-114 200/450°F High-Limit Capillary Thermostat, 36" Cap quantity
OEM safety switch for Cozy wall furnace venting systems

Cozy Heaters

SKU: 84166
$52.28
MSRP: $60.12
You save 15%
Cozy Heaters 84166 Blocked Flue Switch quantity
L320 Manual Reset Limit Switch for Wall Furnaces

Cozy Heaters

SKU: 80106
$40.14
MSRP: $46.16
You save 15%
Cozy Heaters 80106 L320 Manual Reset Limit Switch quantity
L260 Manual Reset Limit Switch for Gas-Fired Wall Furnaces

Cozy Heaters

SKU: 80102
$45.51
MSRP: $52.34
You save 15%
Cozy Heaters 80102 L260 Manual Reset Limit Switch quantity
High-limit temperature controller, 200–400°F, 36″ capillary, SPST break

Robertshaw

SKU: 5300-401
$151.39
MSRP: $174.10
You save 13%
Robertshaw 5300-401 High-Limit Temperature Controller 200-400°F 36" Cap SPST quantity
High-limit temp controller, 100–450°F, 36″ capillary, with auxiliary switch

Robertshaw

SKU: 5300-146
$163.61
MSRP: $188.15
You save 15%
Robertshaw 5300-146 High-Limit Temperature Controller 100-450°F, 36" Cap, with Aux Switch quantity
200–400°F Dip Seal Temperature Limit Control, Pilot Duty

Robertshaw

SKU: 5300-711
$139.58
MSRP: $160.52
You save 15%
Robertshaw 5300-711 Temperature Limit Control 200-400°F 3' Dip Seal Pilot Duty quantity
18″ Hi-Limit Lead Wire for ECO Controls

Robertshaw

SKU: 10-258
$24.36
MSRP: $28.01
You save 13%
Robertshaw 10-258 18" Hi-Limit Lead Wire for ECO quantity
260°F Manual Reset Block Flue Safety Switch for Wall Furnaces

Cozy Heaters

SKU: 78109
$34.43
MSRP: $39.59
You save 15%
Cozy Heaters 78109 L260F Manual Reset Block Flue Switch quantity
350°F Manual Reset Auxiliary Limit Switch for Wall Furnaces

Cozy Heaters

SKU: 78086
$29.76
MSRP: $34.22
You save 15%
Cozy Heaters 78086 L350F M/R Auxiliary Limit Switch quantity
Commercial gas temp control, 60–250°F, 3/8″ pipe, 60″ capillary

Robertshaw

SKU: 4290-008
$241.41
MSRP: $277.62
You save 13%
Robertshaw 4290-008 Commercial Gas Temperature Control 60/250°F 3/8" Pipe 60" Cap quantity
Normally closed thermal limit switch for Cozy wall furnace systems

Cozy Heaters

SKU: 74309
$70.38
MSRP: $80.94
You save 15%
Cozy Heaters 74309 Limit Switch – OEM Wall Furnace Safety Control quantity
L180-10F High-Temperature Limit Switch for Cozy Wall Furnaces

Cozy Heaters

SKU: 74308
$31.78
MSRP: $36.55
You save 15%
Cozy Heaters 74308 L180-10F Limit Switch quantity
L160-10F OEM Replacement Limit Switch for Cozy Wall Furnaces

Cozy Heaters

SKU: 74307
$31.78
MSRP: $36.55
You save 15%
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L140-10F OEM Replacement Limit Switch for Cozy Wall Furnaces

Cozy Heaters

SKU: 74306
$31.78
MSRP: $36.55
You save 15%
Cozy Heaters 74306 L140-10F Limit Switch quantity
L135-10F OEM Safety Limit Switch for Cozy Wall Furnaces

Cozy Heaters

SKU: 74303
$23.83
MSRP: $27.40
You save 13%
Cozy Heaters 74303 L135-10F Limit Switch quantity
L220-40F Normally Closed Temperature Limit Switch

Cozy Heaters

SKU: 72160
$26.79
MSRP: $30.81
You save 15%
Cozy Heaters 72160 L220-40F Limit Switch quantity
220°F High-Limit Safety Switch for Compressor Protection

Copeland

SKU: 998-0540-00
$156.49
MSRP: $179.96
You save 15%
Copeland 998-0540-00 220°F High-Limit Safety Switch quantity
NEMA 4 Low Limit Gas Pressure Switch for Burner Safety, 12–60 WC Range

Fireye

SKU: FGPS-GML-1260
$131.74
MSRP: $151.50
You save 15%
Fireye FGPS-GML-1260 Gas Pressure Switch – NEMA 4 Low Limit Burner Safety quantity
NEMA 4 High Limit Gas Pressure Switch, 12–60 WC Burner Safety Control

Fireye

SKU: FGPS-GMH-1260
$132.04
MSRP: $151.85
You save 13%
Fireye FGPS-GMH-1260 Gas Pressure Switch – NEMA 4 High Limit Safety Control quantity
325°F Open-on-Rise Bimetal Disc Limit Control Switch for HVAC Systems

Copeland

SKU: 3L11-325
$16.47
MSRP: $18.94
You save 15%
Copeland 3L11-325 Limit Control – 325°F Open on Rise Bimetal Disc Switch quantity
Thermal Limit Switch, Opens at 125°F and Resets at 95°F

Trane

SKU: SWT1274
$51.39
MSRP: $92.22
You save 44%
Trane SWT01274 Thermal Limit Switch | Opens at 125°F, Resets at 95°F quantity
L155-55F Limit Switch for precise HVAC safety and control

Carrier

SKU: HH18HA454
$127.69
MSRP: $146.84
You save 15%
Carrier L155-55F Limit Switch | HH18HA454 quantity
Automatic HVAC Limit Switch, 100–160°F Temperature Range

Carrier

SKU: HH18HA460
$64.19
MSRP: $73.82
You save 15%
Carrier HH18HA460 Automatic Limit Switch | 100–160°F Temperature Range quantity
Limit Switch Cover for Commercial & Industrial HVAC Systems

Enviro-tec

SKU: PE-09-0010
$7.00
MSRP: $8.05
You save 13%
Enviro-tec PE-09-0010 Limit Switch Cover quantity
Adjustable Limit Switch, Open on Rise 175°F–215°F, Snap Disc Control

Copeland

SKU: 3L05-2
$22.61
MSRP: $26.00
You save 15%
Copeland 3L05-2 Adjustable Limit Switch, Open on Rise 175°F–215°F, Snap Disc Control quantity
Limit Switch, Automatic Reset Temperature Control

Copeland

SKU: 3L09-7
$20.37
MSRP: $23.43
You save 15%
Copeland 3L09-7 Limit Switch, Automatic Reset Temperature Control quantity
Limit Switch, Open on Rise 150°F, Manual Reset

Copeland

SKU: 3L11-150
$8.59
MSRP: $9.88
You save 15%
Copeland 3L11-150 Limit Switch, Open on Rise 150°F, Manual Reset quantity
Limit Switch, Open on Rise 210°F–250°F, 40°F Differential

Copeland

SKU: 3L05-3
$22.61
MSRP: $26.00
You save 15%
Copeland 3L05-3 Limit Switch, Open on Rise 210°F–250°F, 40°F Differential quantity
Limit Switch, Open on Rise 160°F, Manual Reset

Copeland

SKU: 3L11-160
$8.59
MSRP: $9.88
You save 15%
Copeland 3L11-160 Limit Switch, Open on Rise 160°F, Manual Reset quantity
Limit Switch, Open 250°F / Close 210°F, Automatic Reset

Copeland

SKU: 3L09-14
$20.37
MSRP: $23.43
You save 15%
Copeland 3L09-14 Limit Switch, Open 250°F / Close 210°F, Automatic Reset quantity
Limit Switch, Open on Rise 180°F, Manual Reset

Copeland

SKU: 3L11-180
$8.59
MSRP: $9.88
You save 15%
Copeland 3L11-180 Limit Switch, Open on Rise 180°F, Manual Reset quantity
Snap Disc Fan & Limit Switch, 140°F Close / 180°F Open, Automatic Reset

Copeland

SKU: 3L01-180
$9.01
MSRP: $10.36
You save 15%
Copeland 3L01-180 Snap Disc Fan & Limit Switch, 140°F Close / 180°F Open, Automatic Reset quantity
Limit Switch, Open on Rise 190°F, Manual Reset

Copeland

SKU: 3L11-190
$8.59
MSRP: $9.88
You save 15%
Copeland 3L11-190 Limit Switch, Open on Rise 190°F, Manual Reset quantity
Limit Switch, Open on Rise 210°F, Manual Reset

Copeland

SKU: 3L11-210
$8.59
MSRP: $9.88
You save 15%
Copeland 3L11-210 Limit Switch, Open on Rise 210°F, Manual Reset quantity
Limit Switch, Open on Rise 220°F, Manual Reset

Copeland

SKU: 3L11-220
$8.59
MSRP: $9.88
You save 15%
Copeland 3L11-220 Limit Switch, Open on Rise 220°F, Manual Reset quantity
Limit Switch, Open 155°F / Close 125°F, Automatic Reset

Copeland

SKU: 3L09-18
$22.19
MSRP: $25.52
You save 15%
Copeland 3L09-18 Limit Switch, Open 155°F / Close 125°F, Automatic Reset quantity
Limit Switch, Open 175°F / Close 145°F, Automatic Reset, L175-30F

Copeland

SKU: 3L09-19
$17.63
MSRP: $20.57
You save 14%
Copeland 3L09-19 Limit Switch, Open 175°F / Close 145°F, Automatic Reset, L175-30F quantity
Snap Disc Limit Switch – Opens at 240°F, Closes at 210°F, 7-1/2 Inch Capillary

Copeland

SKU: 3L09-2
$24.29
MSRP: $27.93
You save 15%
Copeland 3L09-2 Snap Disc Limit Switch – Opens at 240°F, Closes at 210°F, 7-1/2 Inch Capillary quantity
1/2-Inch Well for Direct Mount to Snap Disc Limit Control

Copeland

SKU: F89-0062
$43.96
MSRP: $50.55
You save 15%
Copeland F89-0062 1/2-Inch Well for Direct Mount to Snap Disc Limit Control quantity
Snap Disc Limit Control, 1/2-Inch Bimetal Disc, 220F Open, 190F Close

Copeland

SKU: 3L09-12
$20.37
MSRP: $23.43
You save 15%
Copeland 3L09-12 Snap Disc Limit Control, 1/2-Inch Bimetal Disc, 220F Open, 190F Close quantity
Copeland

SKU: 3L11-120
$8.58
MSRP: $9.87
You save 15%
Copeland Comfort Control 3L11-120 Temperature Limit Switch quantity
Snap Disc Fan and Limit Control 110-120F

Copeland

SKU: 3L01-120
$9.01
MSRP: $10.36
You save 15%
Copeland 3L01-120 Snap Disc Fan and Limit Control 110-120F quantity
Board Mount Snap Disc Limit Control

Copeland

SKU: 3L09-10
$20.37
MSRP: $23.43
You save 15%
Copeland 3L09-10 Board Mount Snap Disc Limit Control quantity
Snap Disc Limit Switch

Copeland

SKU: 3L09-9
$20.37
MSRP: $23.43
You save 15%
Copeland Comfort Control 3L09-9 Snap Disc Limit Switch quantity
Snap Disc Limit Control, Closes on Temperature Rise, 93F-107F, 30F Differential

Copeland

SKU: 3F11-100
$8.59
MSRP: $9.88
You save 15%
Copeland 3F11-100 Snap Disc Limit Control, Closes on Temperature Rise, 93F-107F, 30F Differential quantity