Level Switches

RSP Supply carries a wide variety of Dwyer mechanical float switches and APG level float switches and liquid level sensor floats.

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$14.99
APG LFE-12P-0A Miniature Liquid Level Sensor Float Switch with 1 switch (SPST) Normally Closed for Water. Supply voltage up to 100 VAC with 22 AWG wire 11.8" long. Vertical Mount G1/8 thread. Normally Closed Switch with Polypropylene Stem, Polypropylene Float, and 316 Stainless Steel Retainer for general purpose use. Max liquid temperature is 194 F. Max pressure 7 psi and max water depth 16' deep. Ideal for Water.
$36.18
APG KA-ACC-A Accessory cable weight designed for APG KA float switches.
$64.08
APG FT-100-ACC11 Accessory cable weight designed for APG FT-100 float switches. PVC Coated Cable Weight for FT-100 series Level float switches.
$55.75
APG LFS-V-5G Miniature Liquid Level Sensor Float Switch with 1 switch (SPDT) Normally Open or Normally Closed for Most Liquids. Supply voltage up to 300 VAC with 22 AWG wire 11.8" long. Vertical Mount G1/8 thread. Normally Open or Normally Closed Switch with 316 Stainless Steel Stem, 316 Stainless Steel Float, and 316 Stainless Steel Retainer for general purpose use. Max liquid temperature is 212 F. Max pressure 290 psi and max water depth 668' deep. Ideal for Most Liquids.
$178.50
APG LFS-H-10 Miniature Liquid Level Sensor Float Switch with 1 switch (SPDT) Normally Open or Normally Closed for Most Liquids. Supply voltage up to 300 VAC/VDC with 22 AWG wire 19.68" long. Horizontal Mount R1/2 thread. Normally Open or Normally Closed Switch with 304 Stainless Steel Stem, 304 Stainless Steel Float, and 304 Stainless Steel Retainer for general purpose use. Max liquid temperature is 248 F. Max pressure 145 psi and max water depth 334' deep. Ideal for Most Liquids.
$61.60
APG LFS-VE-S1 Miniature Liquid Level Sensor Float Switch with 1 switch (SPDT) Normally Open or Normally Closed for Most Liquids. Supply voltage up to 300 VAC/VDC with 22 AWG wire 13.77" long. Vertical Mount PF1/8 thread. Normally Open or Normally Closed Switch with 304 Stainless Steel Stem, 304 Stainless Steel Float, and 304 Stainless Steel Retainer for general purpose use. Max liquid temperature is 390 F. Max pressure 290 psi and max water depth 668' deep. Ideal for Most Liquids.
$40.73
APG LFP-HE-P1 Miniature Liquid Level Sensor Float Switch with 1 switch (SPDT) Normally Open or Normally Closed for Water. Supply voltage up to 300 VAC/VDC with 22 AWG wire 11.8" long. Horizontal Mount PF1/4 thread. Normally Open or Normally Closed Switch with Polypropylene Stem, Polypropylene Float, and Polypropylene Retainer for general purpose use. Max liquid temperature is 175 F. Max pressure 7 psi and max water depth 16' deep. Ideal for Water.
$42.56
$38.17
APG LFP-V-2F Miniature Liquid Level Sensor Float Switch with 1 switch (SPDT) Normally Open or Normally Closed for Corrosive Chemicals. Supply voltage up to 300 VAC/VDC with 22 AWG wire 11.8" long. Vertical Mount G1/8 thread. Normally Open or Normally Closed Switch with PVDF Stem, PVDF Float, and PVDF Retainer for general purpose use. Max liquid temperature is 212 F. Max pressure 145 psi and max water depth 334' deep. Ideal for Corrosive Chemicals.
$50.53
APG LFP-V-2A-1000 Miniature Liquid Level Sensor Float Switch with 1 switch (SPDT) Normally Open or Normally Closed for Water. Supply voltage up to 300 VAC/VDC with 22 AWG wire 39.4" long. Vertical Mount G1/8 thread. Normally Open or Normally Closed Switch with Polyacetal Stem, Buna Float, and 316 Stainless Steel Retainer for general purpose use. Max liquid temperature is 194 F. Max pressure 145 psi and max water depth 334' deep. Ideal for Water.
$14.99
APG LFE-12P-0B Miniature Liquid Level Sensor Float Switch with 1 switch (SPST) Normally Open for Water. Supply voltage up to 100 VAC with 22 AWG wire 11.8" long. Vertical Mount G1/8 thread. Normally Open Switch with Polypropylene Stem, Polypropylene Float, and 316 Stainless Steel Retainer for general purpose use. Max liquid temperature is 194 F. Max pressure 7 psi and max water depth 16' deep. Ideal for Water.
$19.59
APG LFE-11R-1A Miniature Liquid Level Sensor Float Switch with 1 switch (SPST) Normally Closed for Most Liquids. Supply voltage up to 300 VAC with 22 AWG wire 11.8" long. Vertical Mount G1/8 thread. Normally Closed Switch with Polypropylene Stem, Buna Float, and 316 Stainless Steel Retainer for general purpose use. Max liquid temperature is 194 F. Max pressure 145 psi and max water depth 334' deep. Ideal for Hydraulic and Lubricating Oil.
$155.10
APG KA-M1H15 Kari High Alarm/High Level Float Switch (Mini 5.1"H x 3"W) with 1 switch Normally Open without Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels.
$268.40
APG KA-2H15 Kari Empty Pump Control Float Switch (Large 6.1"H x 6.7"W) with 2 level switch 2-Normally Open with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$340.95
APG KA-4L Kari Empty Pump Control Float Switch (Large 6.1"H x 6.7"W) with 4 level switch 3-Normally Closed and 1-Normally Open with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$137.20
APG KA-M2L Kari Fill Pump Control Float Switch (Large 6.1"H x 6.7"W) with 2 level switch 2-Normally Closed with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$182.56
APG KA-2L Kari Empty Pump Control Float Switch (Large 6.1"H x 6.7"W) with 2 level switch 2-Normally Closed with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$91.88
APG KA-M1L Kari Low Alarm/Low Level Float Switch (Mini 5.1"H x 3"W) with 1 switch Normally Closed without Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels.
$116.06
APG KA-1L Kari Low Alarm/Low Level Float Switch (Large 6.1"H x 6.7"W) with 1 switch Normally Closed without Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels.
$414.69
APG KA-4H5E Kari 2 Pump System Empty Pump Control plus High Alarm and Low Alarm Float Switch (Large 6.1"H x 6.7"W) with 4 level switch 3-Normally Open and 1-Normally Closed with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$340.95
APG KA-4H Kari Empty Pump Control plus High Alarm and Low Alarm Float Switch (Large 6.1"H x 6.7"W) with 4 level switch 3-Normally Open and 1-Normally Closed with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$280.49
APG KA-3HE Kari Empty Pump Control plus High Alarm Float Switch (Large 6.1"H x 6.7"W) with 3 level switch 3-Normally Open with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$137.20
APG KA-M2H Kari Empty Pump Control Float Switch (Mini 5.1"H x 3"W) with 2 level switch 2-Normally Open with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$182.56
APG KA-2H Kari Empty Pump Control Float Switch (Large 6.1"H x 6.7"W) with 2 level switch 2-Normally Open with Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels. Built-in Hysteria handles logic ideal for backup pump control and eliminating controllers.
$91.88
APG KA-M1H Kari High Alarm/High Level Float Switch (Mini 5.1"H x 3"W) with 1 switch Normally Open without Hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels.
$116.06
APG KA-1H Kari High Alarm/High Level Float Switch (Large 6.1"H x 6.7"W) with 1 switch Normally Open without hysteresis. Suspended float switch made durable with high chemical compatibility made to outlast all competitors up to 5 tomes the life in many cases. Can replace multiple floats with switch levels. Easy to adjust different activation levels.
$82.65
APG FT-100C Single Point Level Switch and Sensor that switch On or Off at one level. Single point alaming and control. Supply voltage of 125 VAC 5 Amp and 250 VAC with 20' cable. SPDT Switch with 1.5" switching differential. Polypropylene housing for general purpose. Max liquid temperature is 140 F. Max pressure 13 psi and max water depth 30' deep. Cable is 18 guage 2 conductor.
$61.95
APG FT-100B Single Point Level Switch and Sensor that switch On or Off at one level. Single point alaming and control. Supply voltage of 125 VAC 5 Amp and 250 VAC with 20' cable. Normally Closed Switch (Low Alarm) with 1.5" switching differential. Polypropylene housing for general purpose. Max liquid temperature is 140 F. Max pressure 13 psi and max water depth 30' deep. Cable is 18 guage 2 conductor.
$49.58
APG FT-100A Single Point Level Switch and Sensor that switch On or Off at one level. Single point alaming and control. Supply voltage of 125 VAC 5 Amp and 250 VAC with 20' cable. Normally Open Switch (High Alarm) with 1.5"-4" switching differential. Polypropylene housing for general purpose. Max liquid temperature is 140 F. Max pressure 13 psi and max water depth 30' deep. Cable is 18 guage 2 conductor.
$130.90
Dwyer Mercoid FSW2-DNPN-40 SPDT Range 40ft Cable PVC Cable SPDT Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$118.80
Dwyer Mercoid FSW2-DNPN-30 SPDT Range 30ft Cable PVC Cable SPDT Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$106.70
Dwyer Mercoid FSW2-DNPN-20 SPDT Range 20ft Cable PVC Cable SPDT Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$100.65
Dwyer Mercoid FSW2-DNPN-15 SPDT Range 15ft Cable PVC Cable SPDT Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$94.60
Dwyer Mercoid FSW2-DNPN-10 SPDT Range 10ft Cable PVC Cable SPDT Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$137.50
Dwyer Mercoid FSW2-CNPN-50 SPST,NC Range 50ft Cable PVC Cable SPST, NC Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$126.50
Dwyer Mercoid FSW2-CNPN-40 SPST,NC Range 40ft Cable PVC Cable SPST, NC Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$115.50
Dwyer Mercoid FSW2-CNPN-30 SPST,NC Range 30ft Cable PVC Cable SPST, NC Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$104.50
Dwyer Mercoid FSW2-CNPN-20 SPST,NC Range 20ft Cable PVC Cable SPST, NC Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$137.50
Dwyer Mercoid FSW2-ONPN-50 SPST,NO Range 50ft Cable PVC Cable SPST, NO Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$126.50
Dwyer Mercoid FSW2-ONPN-40 SPST,NO Range 40ft Cable PVC Cable SPST, NO Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$115.50
Dwyer Mercoid FSW2-ONPN-30 SPST,NO Range 30ft Cable PVC Cable SPST, NO Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$104.50
Dwyer Mercoid FSW2-ONPN-20 SPST,NO Range 20ft Cable PVC Cable SPST, NO Mechanical Float Switch self counterweighted to activate electrical components like pumps. Ideal for wastewater level monitoring, tank level control, high or low level alarm. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with self counterweighted body and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$138.88
Dwyer Mercoid CFS2-CGDSN-50 SPST,NC Range 50ft Cable SJOW 3X16 cable SPST, NC Mechanical Float Switch mechanically actuated float switch to activate electrical components like pumps. Ideal for water level monitoring, tank level control, high or low level alarm,industrial water control, filling or draining reservoirs and tanks, and pump automation. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with counterweights and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$114.68
Dwyer Mercoid CFS2-CGDSN-40 SPST,NC Range 40ft Cable SJOW 3X16 cable SPST, NC Mechanical Float Switch mechanically actuated float switch to activate electrical components like pumps. Ideal for water level monitoring, tank level control, high or low level alarm,industrial water control, filling or draining reservoirs and tanks, and pump automation. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with counterweights and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$90.48
Dwyer Mercoid CFS2-CGDSN-30 SPST,NC Range 30ft Cable SJOW 3X16 cable SPST, NC Mechanical Float Switch mechanically actuated float switch to activate electrical components like pumps. Ideal for water level monitoring, tank level control, high or low level alarm,industrial water control, filling or draining reservoirs and tanks, and pump automation. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with counterweights and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$66.28
Dwyer Mercoid CFS2-CGDSN-20 SPST,NC Range 20ft Cable SJOW 3X16 cable SPST, NC Mechanical Float Switch mechanically actuated float switch to activate electrical components like pumps. Ideal for water level monitoring, tank level control, high or low level alarm,industrial water control, filling or draining reservoirs and tanks, and pump automation. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with counterweights and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$138.88
Dwyer Mercoid CFS2-OGDSN-50 SPST,NO Range 50ft Cable SJOW 3X16 cable SPST, NO Mechanical Float Switch mechanically actuated float switch to activate electrical components like pumps. Ideal for water level monitoring, tank level control, high or low level alarm,industrial water control, filling or draining reservoirs and tanks, and pump automation. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with counterweights and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger
$114.68
Dwyer Mercoid CFS2-OGDSN-40 SPST,NO Range 40ft Cable SJOW 3X16 cable SPST, NO Mechanical Float Switch mechanically actuated float switch to activate electrical components like pumps. Ideal for water level monitoring, tank level control, high or low level alarm,industrial water control, filling or draining reservoirs and tanks, and pump automation. High reliable design wih magnetic, mercury free mechanical integral components. Easy installation with counterweights and cable hangers for a variety of applications. Recommended Accessory: A-459 Cable Hanger