Ac Float Switch(119)
Generic SS2 Float Switch, White Electrical Switch, 1 Piece, $19.99

Generic SS2 Float Switch, White Electrical Switch, 1 Piece
Riousery Water Level Sensor Switch 304 Stainless Steel Liquid Float Controller AC 0-220V (9.06 inches / 23 cm), $14.27

Riousery Water Level Sensor Switch 304 Stainless Steel Liquid Float Controller AC 0-220V (9.06 inches / 23 cm)
Rectorseal 96100 - AG-1100+ Magnetic Float Switch Tan Color, $27.99

Rectorseal 96100 - AG-1100+ Magnetic Float Switch Tan Color
NFTIGB Oil Float Switch ABS Small Floats Liquid Level Switches for Water Dispensers Air Conditioners Industrial Hydraulics Flow Control Systems Replacement Part 10 inches / 25.4 cm, $9.99, Was $11.99

NFTIGB Oil Float Switch ABS Small Floats Liquid Level Switches for Water Dispensers Air Conditioners Industrial Hydraulics Flow Control Systems Replacement Part 10 inches / 25.4 cm
Generic SS2 Float Switch, White Electrical Switch, 1 Piece, $19.99

Generic SS2 Float Switch, White Electrical Switch, 1 Piece
K2 Pumps Vertical Float Switch, $20.19

K2 Pumps Vertical Float Switch
Navellon SS3 Float Switch for HVAC Drain Pan, Condensate Overflow Detection, Replaces 97647 (2 Pcs), $19.99

Navellon SS3 Float Switch for HVAC Drain Pan, Condensate Overflow Detection, Replaces 97647 (2 Pcs)
Dayton Float Switch, 10 ft, ABS, 115V AC 6PNU4, $60.26

Dayton Float Switch, 10 ft, ABS, 115V AC 6PNU4
Dayton Float Switch, 20 ft, ABS, 115/230V AC 6PNV7, $69.46

Dayton Float Switch, 20 ft, ABS, 115/230V AC 6PNV7
Generic SS2 Float Switch, 3/4 inch L Shape, 1.25 Amp 10 Pack, $124.99

Generic SS2 Float Switch, 3/4 inch L Shape, 1.25 Amp 10 Pack
Diversitech CC-1 10-1/2 x 7-1/2 x 13-1/4 in. Condensate Cop Drain Pan Float Switch (12 Switches/Case), $27.81

Diversitech CC-1 10-1/2 x 7-1/2 x 13-1/4 in. Condensate Cop Drain Pan Float Switch (12 Switches/Case)
Suodoka Float Water Control Switch Stainless Steel Float Double Point Liquid Level Sensor AC DC 0-110V 9.84 inches / 25.0 cm, $13.82

Suodoka Float Water Control Switch Stainless Steel Float Double Point Liquid Level Sensor AC DC 0-110V 9.84 inches / 25.0 cm
Yajisi Oil Float Switch ABS Small Floats Liquid Level Switches for Water Dispensers Air Conditioners Flow Control Sensor 1.0Mpa Resistance High Temperature 85C Industrial Parts, $8.09, Was $10.99

Yajisi Oil Float Switch ABS Small Floats Liquid Level Switches for Water Dispensers Air Conditioners Flow Control Sensor 1.0Mpa Resistance High Temperature 85C Industrial Parts
Dayton Float Switch, 20 ft, ABS, 115/230V AC 10A172, $63.59

Dayton Float Switch, 20 ft, ABS, 115/230V AC 10A172
Square D Nema1 Float Switch, $71.80, Was $80.45

Square D Nema1 Float Switch
SS3 Float Switch with Bracket for HVAC Drain Pan Condensate Overflow Safety Sensor, $34.58

SS3 Float Switch with Bracket for HVAC Drain Pan Condensate Overflow Safety Sensor
220/240V Up Float Switch, $99.90

220/240V Up Float Switch
Float Switch, 20 ft, ABS, 115/230V AC 3BY79, $67.68

Float Switch, 20 ft, ABS, 115/230V AC 3BY79
Zoeller 10-0034 Switch-Mate Pump Variable Level Float Switch, 115V, 15 ft Cord, $65.16

Zoeller 10-0034 Switch-Mate Pump Variable Level Float Switch, 115V, 15 ft Cord
Float Switch, 10 ft, PVC, 125V AC PP92010G, $84.86

Float Switch, 10 ft, PVC, 125V AC PP92010G
115V 13A Piggyback Variable Level Float Switch, $86.73

115V 13A Piggyback Variable Level Float Switch
Dayton Float Switch, 20 ft, ABS, 115V AC 10A171, $70.89, Was $78.86

Dayton Float Switch, 20 ft, ABS, 115V AC 10A171
3X High Temperature Stainless Steel Side Mounted Single Float Switch, $17.85

3X High Temperature Stainless Steel Side Mounted Single Float Switch
Dayton Float Switch, 30 ft, ABS, 115V AC 10A175, $138.14

Dayton Float Switch, 30 ft, ABS, 115V AC 10A175
220/240V Down Float Switch, $99.90

220/240V Down Float Switch
Dayton Float Switch, 20 ft, ABS, 115/230V AC 10A174, $83.36, Was $100.53

Dayton Float Switch, 20 ft, ABS, 115/230V AC 10A174
304 Stainless Steel Water Float Liquid Level Controller Switch for Water Oil Alcohol, AC 0-220V 10mm Stroke 3.9 inches / 100 mm Length, $12.77

304 Stainless Steel Water Float Liquid Level Controller Switch for Water Oil Alcohol, AC 0-220V 10mm Stroke 3.9 inches / 100 mm Length
Champion - Moyer Diebel 115352 Float Switch, Single Float, $279.09

Champion - Moyer Diebel 115352 Float Switch, Single Float
NO Mechanical Float Switch 230VAC 6PNV2, $95.37

NO Mechanical Float Switch 230VAC 6PNV2
Madison M4549 Polypropylene Tilt Float Switch, 8A at 250V, 1 Bar Pressure, 32.5' Cable Length CA3, $124.86

Madison M4549 Polypropylene Tilt Float Switch, 8A at 250V, 1 Bar Pressure, 32.5' Cable Length CA3
Dayton NO Mechanical Float Switch 115VAC 6PNV3, $104.63

Dayton NO Mechanical Float Switch 115VAC 6PNV3
Madison Tilt Float Switch,SPDT,120/240VAC M4548, $68.72

Madison Tilt Float Switch,SPDT,120/240VAC M4548
110/120V Down Float Switch, $99.90

110/120V Down Float Switch
Meiko 9692213 Float Switch, $634.44

Meiko 9692213 Float Switch
Dayton Float Switch, 10 ft, ABS, 115V AC 10A170, $68.81, Was $76.87

Dayton Float Switch, 10 ft, ABS, 115V AC 10A170
NIAIZEK Vertical Float Switch Portable for Water Tanks and Pumps 5Pcs, $13.61

NIAIZEK Vertical Float Switch Portable for Water Tanks and Pumps 5Pcs
Square D Open Tank Float Switch 9036DG2R - Flange Mount - Multicolor Indoor & Outdoor Use, NEC-Compliant, $77.84

Square D Open Tank Float Switch 9036DG2R - Flange Mount - Multicolor Indoor & Outdoor Use, NEC-Compliant
Transparent SS2 Float Switch for Condensate Water Overflow 3/4 Inch PVC Pipe Fitting HVAC System Drain, $52.47

Transparent SS2 Float Switch for Condensate Water Overflow 3/4 Inch PVC Pipe Fitting HVAC System Drain
Little Giant Float Switch, Mechanical, $119.49

Little Giant Float Switch, Mechanical
NO Caged Dual Micro-reed Automatic Float Switch 120VAC DFC1, $102.29

NO Caged Dual Micro-reed Automatic Float Switch 120VAC DFC1
Other options to consider(147)
FAQ
How do float switches work in a sump pump?
Float switches help control the water level in sump pumps by automatically turning the pump on or off. When water rises, the float lifts, triggering the switch to activate the pump. Once the water drops, the float lowers and the pump shuts off. This process helps prevent flooding and keeps your basement or crawl space dry. Float switches come in different types, including mechanical and magnetic, so it's important to check compatibility with your pump. Regularly inspect and test the switch to ensure reliable operation and avoid water damage.
Can I use a float switch for my HVAC system?
Yes, float switches are commonly used in HVAC systems to monitor condensate levels and prevent overflow. When installed in the drain pan, the switch detects rising water and can shut off the system or trigger an alarm if needed. This helps protect your equipment and home from water damage.
- Choose a float switch rated for HVAC use.
- Follow manufacturer guidelines for installation.
- Check the voltage and compatibility with your system.
What should I look for when buying a float switch?
When shopping for a float switch, consider these factors:
- Voltage and amperage ratings—make sure they match your equipment.
- Material—look for durable options like ABS or stainless steel, especially for harsh environments.
- Cable length—choose a length that fits your installation needs.
- Type—mechanical or magnetic, depending on your application.
How do I install a float switch safely?
To install a float switch safely, start by turning off power to the equipment.
- Read the manufacturer's instructions carefully.
- Mount the float switch securely in the desired location.
- Connect wiring according to the voltage requirements.
- Test the switch by manually moving the float to ensure proper operation.
How can I maintain my float switch for long-lasting use?
Regular maintenance keeps your float switch working reliably.
- Inspect the switch and wiring for signs of wear or corrosion.
- Clean the float and surrounding area to prevent debris buildup.
- Test the switch periodically by raising and lowering the float.
- Replace damaged parts as needed.
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