Part # L20-16-S1-16-NO

The L20 Series Side Mounted CPVC Plastic Liquid Level Switches are typically used in water and potable water applications. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. 

• Minimum Liquid Specific Gravity: 0.90
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  CPVC Plastic
• Fitting: 1/2" NPT

Part # L20-17-S1-17-NO

The L20 Series Side Mounted Kynar Plastic Liquid Level Switches come with a 1/2" NPT fitting and are typically used with solvents and certain bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI.

• Minimum Liquid Specific Gravity: 1.00
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Kynar Plastic
• Fitting: 1/2" NPT

Part # L20-20-S1-20-NO

The L20 Series Side Mounted Polypropylene Liquid Level Switches are among the most versatile and durable of the side-mounted liquid level switch line. The polypropylene wetted material makes the switch highly compatible with numerous liquids from acids, to water, to bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. 

• Minimum Liquid Specific Gravity: 0.70
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Polypropylene
• Fitting: 1/2" NPT

Part # L20-02-S2-02-NO

The L20 Series Side Mounted 316L Stainless Steel Liquid Level Switches are commonly used in potable water, hot water, various acids, and in solvents. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and stainless steel body provides use up to 500 PSI. 

• Minimum Liquid Specific Gravity: 0.85 
• Liquid Temperature Range: -40℉ to +300℉
• Max System Pressure: 500 PSIG
• Wetted Materials:  316L Stainless Steel
• Fitting: 1/2" NPT

Part # L22-16-S1-16-NO

The L22 Series Single-Ended Side Mount CPVC Plastic Liquid Level Switches are typically used in water and potable water applications. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. These are most often used in many O.E.M. and one-off applications. These are available with several options as specified by the user.

• Minimum Liquid Specific Gravity: 0.90
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  CPVC Plastic
• Fitting: 1/2" NPT

Part # L22-17-S1-17-NO

The L22 Series Single-Ended Side Mounted Kynar Plastic Liquid Level Switches come with a 1/2" NPT fitting and are typically used with solvents and certain bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI.

• Minimum Liquid Specific Gravity: 1.00
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Kynar Plastic
• Fitting: 1/2" NPT

Part # L22-20-S1-20-NO

The L22 Series Single-Ended Side Mount Polypropylene Liquid Level Switches are among the most versatile and durable of the side-mounted liquid level switch line. The polypropylene wetted material makes the switch highly compatible with numerous liquids from acids, to water, to bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. 

• Minimum Liquid Specific Gravity: 0.70
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Polypropylene
• Fitting: 1/2" NPT

Part # L25-16-S1-16-NO

The L25 Series Side Mounted CPVC Plastic Liquid Level Switches come with a 1/2" BSPT fitting and are typically used in water and potable water applications. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. 

• Minimum Liquid Specific Gravity: 0.90
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  CPVC Plastic
• Fitting: 1/2" BSPT

Part # L25-17-S1-17-NO

The L25 Series Side Mounted Kynar Plastic Liquid Level Switches come with a 1/2" BSPT fitting and are typically used with solvents and certain bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI.

• Minimum Liquid Specific Gravity: 1.00
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Kynar Plastic
• Fitting: 1/2" BSPT

Part # L25-20-S1-20-NO

The L25 Series Side Mounted Polypropylene Liquid Level Switches are among the most versatile and durable of the side-mounted liquid level switch line. The polypropylene wetted material makes the switch highly compatible with numerous liquids from acids, to water, to bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. 

• Minimum Liquid Specific Gravity: 0.70
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Polypropylene
• Fitting: 1/2" BSPT

Part # L25-02-S2-02-NO

The L25 Series Side Mounted 316L Stainless Steel Liquid Level Switches are commonly used in potable water, hot water, various acids, and in solvents. The 1/2" BSPT side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and stainless steel body provides use up to 500 PSI. 

• Minimum Liquid Specific Gravity: 0.85 
• Liquid Temperature Range: -40℉ to +300℉
• Max System Pressure: 500 PSIG
• Wetted Materials:  316L Stainless Steel
• Fitting: 1/2" BSPT

Part # L27-16-S1-16-NO

The L27 Series Single-Ended Side Mount CPVC Plastic Liquid Level Switches are typically used in water and potable water applications. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. These are most often used in many O.E.M. and one-off applications. These are available with several options as specified by the user.

• Minimum Liquid Specific Gravity: 0.90
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  CPVC Plastic
• Fitting: 1/2" BSPT

Part # L27-17-S1-17-NO

The L27 Series Single-Ended Side Mounted Kynar Plastic Liquid Level Switches come with a 1/2" BSPT fitting and are typically used with solvents and certain bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI.

• Minimum Liquid Specific Gravity: 1.00
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Kynar Plastic
• Fitting: 1/2" BSPT

Part # L27-20-S1-20-NO

The L27 Series Single-Ended Side Mount Polypropylene Liquid Level Switches are among the most versatile and durable of the side-mounted liquid level switch line. The polypropylene wetted material makes the switch highly compatible with numerous liquids from acids, to water, to bases. The side mount provides added versatility, allowing the switch to be used as a high or low level indicator, and plastic body provides use up to 100 PSI. 

• Minimum Liquid Specific Gravity: 0.70
• Liquid Temperature Range: -40℉ to +180℉
• Max System Pressure: 100 PSIG
• Wetted Materials:  Polypropylene
• Fitting: 1/2" BSPT

Part # L30 Multi-level Switch Brass Shaft

As many as five level control points and up to 48” in overall length. Mount at top or bottom of tank. Fully customizable. Typically used in oil, gasoline, hydraulic oil, and jet fuel. Oil temperatures up to 230℉

Part # L30

As many as five level control points and up to 48” in overall length. Mount at top or bottom of tank. Fully customizable. Typically used in potable water, hot water, acids and various solvent applications.

Part # L31 Multi-level Switch Stainless Steel

As many as six level control points and up to 72” in overall length. Mount at the top or bottom of a tank. It can be fully customized. Typically found in potable water, hot water, acids, and various solvent applications.

Part # L40-02-R1-02-NO

The L40 / L45 Series 1" Sphere Vertical Mount Stainless Steel Liquid Level Switches have both a stainless steel stem and float affording the user high performance and versatility. These are used in potable water, hot water, and in various acids and solvents as the Whitman Red Seal potting affords submergibility to a NEMA 6 rating.

• Minimum Liquid Specific Gravity: 0.85
• Liquid Temperature Range: -40℉ to +300℉
• Max System Pressure: 1,000 PSIG
• Wetted Materials:  316L Stainless Steel
• Fitting: 1/8" NPT (L40), 1/8" BSPT (L45)

Part # L40-06-C1-15-NO

The L40 / L45 Series Vertical Mount Brass / Buna Liquid Level Switches are most commonly seen in OEM applications and other industrial inputs. The brass stem and buna float makes the switch ideal for oil, gasoline, hydraulic oil, and jet fuel applications, and can survive to 230°F in oil.

• Minimum Liquid Specific Gravity: 0.70
• Liquid Temperature Range: -40℉ to +180℉ (230℉ / 110℃ in oil)
• Max System Pressure: 160 PSIG
• Wetted Materials:  Brass stem, Buna float, 316 Stainless steel
• Fitting: 1/8" NPT (L40), 1/8" BSPT (L45)

Part # L40-16-C1-16-NO

Part # L40-17-C1-17-NO

Part # L40-20-C1-20-NO

Part # L40-02-C1-02-NO

The L40 / L45 Series 1" Cylinder Vertical Mount Stainless Steel Liquid Level Switches have both a stainless steel stem and float affording the user high performance and versatility. These are used in potable water, hot water, and in various acids and solvents as the Whitman Red Seal potting affords submergibility to a NEMA 6 rating.

• Minimum Liquid Specific Gravity: 0.85
• Liquid Temperature Range: -40℉ to +300℉
• Max System Pressure: 1,000 PSIG
• Wetted Materials:  316L Stainless Steel
• Fitting: 1/8" NPT (L40), 1/8" BSPT (L45)

Part # L54-02-C1-02-NO

Part # L55-02-C1-02-NO