Best Low Pressure Cut-Off Switches

1. Square D FSG2J21M4CP 30/50 PSI Standard Pressure Switch with Low Pressure Cutoff

The Square D FSG2J21M4CP is a standard pressure switch for water-supply systems. It works with submersible well pumps and electric water pumps. This switch has a 1/4″ internal thread opening for easy setup.

It turns on at 30 psi and off at 50 psi, ensuring steady water pressure. Use it as a replacement switch or for new installations.

2. FLUENTPOWER Water Pressure Switch 40-60 PSI, Well Pump Control Air-Pump Switch with 1/4″ Female NPT, Low Pressure Cut-Off Switch, Adjustable Differential Double Spring Pole

The FLUENTPOWER Water Pressure Switch is a reliable tool for controlling water pumps. It works with a pressure range of 40-60 PSI, making it adjustable to your needs. This switch is easy to install and built to last.

Made from high-quality metal and plastic, it resists corrosion and damage. It also has built-in protection to prevent pump overheating. This ensures long-term use without issues.

This switch is versatile, working with well, jet, and garden pumps. It comes with lifelong technical support and 24-hour customer service. Buy with confidence knowing help is always available.

3. Schneider Electric Square D by Schneider Electric 9013FSG2J24M4 Air-Pump Pressure Switch, NEMA 1, 40-60 psi Pressure Setting, 20-65 psi Cut-Out, 15-30 psi Adjustable Differential, Low-Pressure Cut-Off

The Schneider Electric Square D 9013FSG2J24M4 is a reliable pressure switch for water or air systems. It controls electrically driven motors with precision. This diaphragm-actuated switch ensures accurate pressure management.

With a 40-60 psi pressure setting, it maintains optimal levels. The adjustable differential allows for customized control. Its low-pressure cut-off feature prevents damage by shutting off at approximately 10 psi below cut-in.

This NEMA 1 rated switch is easy to install and built to last. It’s ideal for applications needing reliable pressure control. Trust Schneider Electric for quality and performance.

4. SQUARE D 30-50 M4 Low Pressure Cut-Off Switch WATER WELL PUMP TANK PROTECTION 9013FSG2J21M4

The SQUARE D 30-50 M4 Low Pressure Cut-Off Switch is a reliable and essential device for your water well pump system. It is designed to protect your pump from damage caused by running dry.

This M4 pressure switch is pre-set to turn on at 30 psi and off at 50 psi. It is easy to install and compatible with most water well pump systems.

With the SQUARE D brand, you can trust in the quality and durability of this product. It will provide peace of mind knowing your pump is protected from potential damage.

5. Telemecanique sensors FSG2J24M4CP 40-60 PSI Pumptrol Water Pressure Switch with Low Pressure Cut-Off

The Telemecanique FSG2J24M4CP is a square water pump pressure switch. It controls electrically driven water pumps with ease.

This switch is diaphragm actuated and includes 2 1/4-inch poles. It has an 18 NPSF internal thread and a 1/4 opening. The maximum pressure rating is 220 PSI, with a low pressure cut-off at 40 PSI.

6. Red Lion 30-50 PSI M4 Low Pressure Pump Protection Cut-Off Switch for Well Pumps and Jet Pumps, Black, 640134

The Red Lion 30-50 PSI M4 Low Pressure Pump Protection Cut-Off Switch keeps your well pumps and jet pumps safe. It automatically shuts off when pressure drops 10 PSI, preventing dry running. This protects your pump from damage.

It has a manual reset lever and 1/4-inch Female NPT threading. Works with 115 Volt pumps up to 1.5 HP or 230 Volt pumps up to 3 HP. Adjustable cut-in/out pressure lets you customize settings.

7. Telemecanique Sensors 9013FSG52J25M4 Air-Pump Pressure Switch, NEMA 1, 60-80 psi Pressure Setting, 25-80 psi Cut-Out, 20-30 psi Adjustable Differential, Low-Pressure Cut-Off

The Telemecanique Sensors 9013FSG52J25M4 is a reliable pressure switch for air or water systems. It controls motors with precision, ensuring smooth operation.

It features a diaphragm design, adjustable settings, and a low-pressure cut-off for safety. Simple to use and highly effective.

8. Telemecanique Sensors 9013FSG2J21M4 Air-Pump Pressure Switch, NEMA 1, 30-50 psi Pressure Setting, 20-65 psi Cut-Out, 15-30 psi Adjustable Differential, Low-Pressure Cut-Off

The Telemecanique Sensors 9013FSG2J21M4 is a reliable pressure switch for air or water systems. It controls electrically driven motors with precision.

This switch is diaphragm actuated, ensuring smooth operation. It features a low-pressure cut-off that activates 10 psi below the cut-in.

Key settings: 30-50 psi pressure, 20-65 psi cut-out, 15-30 psi differential. Easy to adjust, built to last.

9. Merrill MFG MPSM43050 Well Tank, Air-Pump Pressure Switch, NEMA 1, 30-50 Pressure Setting, Low Pressure Cut-Off Switch

The Merrill MFG MPSM43050 Well Tank is a reliable replacement switch for your water well pump. It works with all types of electrically driven pumps, including jets, submersibles, and reciprocating models.

This switch has a 30-50 PSI pressure setting, with a low-pressure cut-off for safety. It features large silver contacts for a longer service life and a manual lever for easy adjustments.

NEMA 1 rated, 2HP-115VAC, and 1/4″ Female NPT. Individually boxed for convenience.

10. Merrill MFG MPSM44060 Well Tank, Air-Pump Pressure Switch, NEMA 1, 40-60 Setting, Low Cut-Off Switch

The Merrill MFG MPSM44060 Well Tank is a reliable replacement switch for water well pumps. It works with all types of electrically driven pumps, including jets and submersibles. This switch ensures your pump runs smoothly and efficiently.

It has a 40-60 PSI pressure setting and a low cut-off switch for safety. The large silver contacts extend its service life, making it durable.

This switch is easy to install and comes individually boxed. It’s a trusted OEM replacement part for your well pump system.