Last updated: 2026/02/07
Homepage
Last updated: 2026/02/07
Home
Products
Mechanical Pressure Switch
General Pressure Switch
LF08
LF08A
LF08E
LF08V
LF08D
LF08H
LF08M
LF20
LF20H
LF20V
LF25
LF702
LF708
LF708A
LF727
LF727A
LF727B
Air Compressor/Water Pump Pressure Switch
LF10
LF10L
LF12
LF15
LF17
LF18
LF19
LF10W
LF16
LF17-W
LF42
LFPC-1
Differential Pressure Switch
LF30
LF31
LF32
LF35
Refrigeration Steam & Boiler Pressure Switch
LF5D
LF55
LF56
LF58
LF55T
TS
TSD
TSH
Flow & Float Pressure Switch
FS51/52
FS200
FS211
FS213
LF37
LF52
LF52A
Home Appliance Switch
LF40
LF40-01
LF40B
LF40C
LFS-01
LFS-02
LFS-03
Refrigeration Accessories
LFBV
LFDCV
LFSG
LFTEV
LFCV
LFDBV
Differential Pressure Gauge
LFB
Solenoild Valve
LFSV20-B
SVD20
Sensor
General Industry Pressure Transmitters
LFT2000
LFT2800
LFT2010
LFT2050
LFT6800
LFT2030
LFT3100
LFT2020
LFT2700
LFT6200
LFT2060
LFT2600
LFT2080
LFT221
LFT6100
Process Industry Pressure Transmitters
LFT700
LFT710
LFT720
HVAC Differential Pressure Transmitters
LFM11
LFM108
LFM33
LFM52
LFM53
LFM55
LFM73
LFM751
LFM76
LFM77
LFB
Temperature Transmitter
LFW10
LFW20
LFW21
Temperature and Humidity Transmitters
LFH21
LFH20
LFH10A
LFH10
LFH50
LFH70
LFH30
LFH51
LFH52
Air Quality Transmitters
LFG60
LFG101
LFG103
LFG201
LFG202
LFG203
Air Velocity Transmitter
LFS10
LFS11
LFS71
LFS72
Submersible Level Transmitters
LFT3000
LFT3200
LFT3080
Flowmeters
LFLD
LFLUGB
LFLWGY
Digital Pressure Switch
LFDS62
LFDS63
LFDS65
Damper
Standard Rotary Actuator
Fast Running Rotary Actuators
Spring Reset Damper Actuator
Electrical Regulating Ball Valve
Diaphragm Booster Pumps
12V DC RO Booster Pump
LFP0050W
LFP0075W
LFP0100W
LFP0150W
LFP0200W
LFP0300W
LFP0300W-A
LFP0400W
24V DC RO Booster Pump
LFP50GPD
LFP75GPD
LFP100GPD
LFP150GPD
LFP200GPD
LFP300GPD-A
LFP300GPD
LFP400GPD
LFP600GPD
LFP600GPD-A
LFP800GPD
LFP800GPD-A
LFP1000GPD
LFP1000GPD-A
36V DC RO Booster Pump
LFP600GPD
LFP600GPD-A
LFP800GPD
LFP800GPD-A
LFP1000GPD
LFP1000GPD-A
LFP1200GPD
LFP1500GPD
LFP1600-2000GPD
LFP2200-2600GPD
115V AC RO Booster Pump
LFP50-150GPD/115V
LFP200-400GPD/115V
LFP500-800GPD/115V
230V AC RO Booster Pump
LFP50-150GPD/230V
LFP200-400GPD/230V
LFP500-800GPD/230V
12V DC Demand Delivery Pump
LFP0060T
LFP0075T
LFP0085T
LFP0100T
LFP0115T
LFP0125T
LFP0140T
LFP0150T
24V DC Demand Delivery Pump
LFP1060T
LFP1075T
LFP1085T
LFP1100T
LFP1115T
LFP1125T
LFP1140T
LFP1150T
115V AC Demand Delivery Pump
LFP5060T
LFP5075T
LFP5085T
LFP5100T
LFP5115T
LFP5125T
LFP5140T
LFP5150T
230V AC Demand Delivery Pump
LFP6060T
LFP6075T
LFP6085T
LFP6100T
LFP6115T
LFP6125T
LFP6140T
LFP6150T
24V DC Brushless Booster Pumps
LFP50-200GPD
LFP300-500GPD
LFP600GPD
36V DC Brushless Booster Pumps
LFP800-1000GPD
Peristaltic Pumps
OEM DC Motor Peristaltic Pump
LFP101ADB
LFP102DB
LFP102ADB
LFP104DB
LFP104BL
LFP202DB
LFP203DB
LFP203BL
LFP303DB
LFP303ADB
LFP401DB
LFP401ADB
LFP402DB
LFP403DB
LFP404DB
LFP501DB
LFP601DB
OEM Stepper Motor Peristaltic Pump
LFP101AST
LFP101ST
LFP203ST
LFP302ST
LFP401ST
LFP402ST
LFP403ST
LFP404ST
LFP501ST
LFP601ST
Speed Adjustable Peristaltic Pump System
LFPC101ST
LFPC104DB
LFPC104BL
LFPC203DB
LFPC203BL
LFPC302ST
Accessories
Driver
Tube
Connector
Chemical Resistance of Tube
Brushless DC Centrifugal Pumps
High-temperature Brushless DC Centrifugal Pumps
LFP4024 (High Temperature)
General Brushless DC Centrifugal Pumps
LFP4024
LFP5024-1
LFP5012-1
LFP5024-2
LFP5012-2
LFP5024-3
LFP5012-3
LFP6012-1
Application
HVAC
Cleanroom
Refrigeration
Building Automation
Water & Wastewater
Food & Beverage
Oil & Gas
Petrochemicals
Machinery Manufacturing & Automation
Engineering Equipment
Artificial Intelligence
Home Appliances
Power & Energy
Agriculture
Domestic and Commercial Equipment
Chemical Processing
Laboratory & Medical Devices
About LEFOO
Company Profile
Recruitment
News
Exhibitions
LEFOO Showcases Smart HVAC&R Solutions at Japan HVAC&R 2026
Market Insights
Product Launches
Company Updates
Choosing the Right Pump for Water Dispenser and RO Applications
Optimizing HVAC Energy Efficiency Through Intelligent Pressure Management
The Evolution of Pressure Sensor Technology: From Analog to Smart Digital Systems
How Pressure Control Enhances the Performance of Industrial Coffee Machines
Differential Pressure Sensors and Their Importance in Filtration Systems
Safety and Compliance: Pressure Measurement Requirements in the Petrochemical Industry
Water Treatment Plant Efficiency: Monitoring Pressure and Flow for Optimal Performance
Troubleshooting Common Issues in Air Compressor Pressure Control
Integrating Pressure Sensors with Industrial IoT for Real-Time Monitoring
Pressure Transmitter Calibration: Best Practices for Long-Term Accuracy
Boosting Water Purification Systems with the Right Pump Technology
Digital vs. Mechanical Pressure Switches: Pros, Cons, and Applications
The Role of Pressure Sensors in Smart Buildings and HVAC Optimization
Choosing the Right Pressure Switch for Water Supply Systems
How High-Precision Pressure Transmitters Improve Industrial Process Control
Pressure Sensors in HVAC and Refrigeration Systems: Accuracy, Efficiency, and Control
How Pressure Sensors Improve Water Treatment and Filtration Efficiency
The Role of Pressure Sensors in Medical and Laboratory Equipment
Energy Efficiency Through Pressure Control: How Sensors Help Save Resources
How to Calibrate Lefoo Equipment: Best Practices and the Importance of Calibration
Preventive Maintenance of Pressure Switches, Transmitters, and Pumps – Complete Guide
Case Studies: Customized Lefoo Solutions for Different Industries
Technological Innovations in Pressure Sensors: What to Expect in the Next 5 Years Introduction
How Pressure Transmitters Improve Process Control in Industrial Applications
Lefoo Certifications: What They Mean for Your Business
How to Identify and Solve Failures in Pumps and Systems with Lefoo Solutions
All You Need to Know About Vacuum Switches: What They Are and Where They Are Used
5 Practical Applications of Lefoo Pressure Switches in Industrial Systems
5 Practical Applications of Lefoo Pressure Switches
How to Choose the Ideal Pressure Sensor for Your Industrial Application
Pressure Sensor vs. Pressostat: Understanding the Differences and Choosing the Right One
How Pressure Transmitters Improve Energy Efficiency in Industrial Systems
Pressure Control in Refrigeration Systems: How to Prevent Losses with Efficient Solutions
Pressure Sensors: How They Work and Where They Are Used
Trends in Industrial Automation: The Role of Smart Pressure Sensors
The Importance of Periodic Pressure Sensor Calibration: Safety and Accuracy in Daily Operations
The Key Advantages of Automatic Level Controllers in Industrial Applications
How to Choose the Ideal Level Meter for Your Industrial Application
Industrial Pressure Switches
Pressure Switch vs. Pressure Transducer
How to Choose the Right Pressure Sensor for Industrial Applications
How to Choose the Right Pressure Sensor for Each Industrial Application
The Importance of Pressure Control Systems in Industrial Applications
Pressure Switches for HVAC Systems: Essential Components for Efficiency and Safety
The Importance of Pressure Switches in the Industry
Visit we LEFOO Booth 11.1E60 at ISH Frankfurt 2025!!!
LEFOO to Present Smart Pressure Solutions at ISH Frankfurt 2025
UL Certification Achieved ! ! ! ------ Refrigeration Ball Valves LFBV and LFSG Series Sight Glasses
Refrigeration Ball Valves and Sight Glasses Achieve UL Certification, Demonstrating Exceptional Quality and Safety Standards
UL Certification Achieved ! ! ! -------Refrigeration Ball Valves and Sight Glasses
LEFOO CONTROLS Pressure Switch Pressure Transmitter Source Factory
An Introduction to Pressure Sensors
How to Select Choose a Pressure Switch for Your Application
Improving Ventilation in Your Home
Why Differential Pressure Gauges?
Google Shopping Return Refund Page and Merchant Terms and Conditions Page
Strengthen the Safety Rectification of Hazardous Chemicals, And Lefoo Guards the Safe Operation of The Urban Lifeline
What is the Difference Between a Pressure Gauge, Pressure Switch and Pressure Transducers?
Pressure Transmitter KEY MARKET INSIGHTS
LF10 Compressor Pressure Switch Adjustment
What to Do When Your Furnace Pressure Switch Fails
Genuine Pressure Switch
Dragon Boat Festival
Applications Using Automatic Pressure Control
Chinese Academy of Sciences Announces Research Progress on the Carbon Neutrality Framework Roadmap
What Is Differential Pressure ? Lefoo Dp Gauge Sensor Transducer
80% of County-Level Cities Can Enjoy Cold Chain Logistics at the End of the Year. Zhejiang Lefoo Refrigeration System Pressure Switch
Industrial Production Continues to Recover Steadily- Interpretation of April Industrial Production Data Zhejiang Lefoo Pressure Control and Sensing Expert
Green Council Approves Emergency HVAC Repairs LEFOO Pressure Switch Sensor
LEFOO YOUTUBE CHANNEL!
LEFOO YOUTUBE CHANNAL!
How a Flow Switch Works
LFDS65 Digital Display Intelligent Pressure Controller
Integrated Cooling Pressure Transmitter LFT4100
Lefoo Invests in Partnerships with the Industry
Lefoo TS Thermostat
What Is Damping in Process Transmitters
Understanding Reverse Osmosis
How Does an Electronic Pressure Switch Work?
Types of Pressure Switches for Ovens
Pressure Switches Used in Sump Pumps
Solid State Pressure Switches
What to Know When Choosing a Pressure Transmitter
The Advance in Pressure Transmitters
Operation of the Pressure Switch in Air Conditioning Systems
Pressure Switches with Worldwide Technology
Sensors for Industrial Automation
Preventive Maintenance Increases the Life of the Pressure Switches
Partnerships with Machine Manufacturers
Highlights on Pressure Switches
Wind Speed Sensor LFM-110-W
Carbon Monoxide Transmitter LF-TCO
Mixed Gas Fire Monitoring System
LFCM7007 Residual Pressure Controller
How a Float Level Switch Works
How to Choose a Suitable Temperature Sensor
Vane Type Flow Switches
Differential Pressure Gauge
Common Problems with Pressure Transmitters
The Role of Vacuum Switches
Electronic Pressure Switches
The Intervention of Pressure Switches in Systems
Lefoo: Bet on Commercial Automation and Logistics
Components for Hydraulic Systems
Monitoring of Air Conditioning Systems
Water Pump Pressure Switches
The Fundamentals of Flow Switches in Fire Systems
Where Is Differential Pressure Measurement Used?
The Basics of Water Flow Switches - Flow Switches
The Function of Pressure Switches in Boilers
The Work Between Air Compressors and Pressure Switches
The Importance of Electromechanical Sensors
What Is an Electronic Pressure Switch?
The Flow Switch
Pressure Switches with World Technology
Pressure Switch Performance in Boiler Safety
Pressure Switches in Air Conditioning Systems
Flow Switches in Lubrication Systems
Savings on Filters Using Pressure Switches
Level Control Sensors
Differential Pressure Transmitter Construction
What Is a Differential Pressure Transmitter
What Are Differential Pressure Switches
Parameters of a Pressure Transmitter
Reverse Osmosis Pump Systems
The Basics of Fire Flows
Lefoo Flow Switch
Considerations in Choosing Your Pressure Switch
Parameters in Choosing Your Pressure Switch
How a Pressure Switch Works
Lefoo: New Website up and Running
Certifications
DC Pressure Switch
AC Pressure Switch
LF10 Air Compressor Pressure Switch
LF11
LF17 Air Compressor Pressure Switch
LF20 Differential-free Multi-purpose Pressure Switch
LF18 Three-phase Air Compressor and Water Pump Pressure Switch
LF25 Steam Pressure Switch
LF32 HVAC Differential Air Pressure Switch
LF40 Pneumatic Pushbutton
LF40-B1
LF55 Refrigeration Pressure Switch
Sustainability
Blog
Industrial and Building Dampers: Key Actuators for Airflow Management and Pressure Control
Mechanical Pressure Switch: The Core Actuating Component for Industrial System Safety and Basic Control
Industrial Sensors: Critical Components for Achieving Precise Measurement and Data Acquisition
Service & Support
Download Specifications
LFW21
LFM55
LFM57
LFM73
LFM76
LFM77
LFM751
LFT2080
LFT2100
LFT2730
LFT2800
LFT3010
LFT3013
LFT700
LFT701
LFT703
LFT705
LFT710
LFT715
LFT720
LFT3019
LFT3080
LFT3300
LFH10A
LFH21
LFH52
LFH70
LFH71
LFH75
LFW20
LFW21
LFG60
LFG103
LFS10
LFS11
LFS71
LFS72
LFS73
LFDS68
LFLD
LFLLD
LFLUGB
LFLWGY
LF10
LFBV
LFZ
LF55V
Manuals & Guides
Monocrystalline Silicon
LFH52
LFH10
LFH20 SERIES
LFH30
LFH51 Series
LFH60 Series
LFH70
LFH75
LFH10A
LFW10
LFW20 Series
LFW70
LFT2100 Series
LFT2730
LFT3010
LFT3013
LFT3019
LFT3080
LFT6100
LFT6200
LFT6210
LFT6700
LFT6710
LFT6800
LFUD101 & LFUD103
LFUD101 & LFUD103
LFUD101 & LFUD103
LFUD102
LFUD102
LFUD105
LFUD106
LFUD107
LFDS62 Series
LFDS63 Series
LFDS65 Series
LFS10
LFS11
LFS71 Series
LFS72 Series
LFS73
LFG60
LFG61
LFG101
LFG103
LFG201
LFG202
LFG203
LFG303 PM2.5/PM10
LFLD
LFLLD
LFLUGB
LFLWGY
LFPC302ST
LFM57
LFM76
LFM751
Installation & Operation Video
LFM108 Economical Differential Pressure Transmitter Product Introduction
LFM751 Intrinsic Safety Differential Pressure Transmitter Product Introduction
LFM73 Multifunctional Differential Pressure Transmitter Controller Product Introduction
LFM11 Differential Pressure Transmitter Product Introduction
LFG103 Series Indoor Carbon Monoxide CO Transmitter Product Instructions
LFG202 Series Ducted Carbon Dioxide Transmitter Product Introduction
LFG201 Series Wall Mount CO2 Transmitter Product Introduction
LFG101 Wal mounted Carbon Monoxide Transmitter Product Introduction
Lefoo Pressure Control Pumps Operating Instructions
LEFOO Introduction
Fix and Troubleshooting
Quality & Infos
Returns Policy
Contact Us
Last updated: 2026/02/07
Last updated: 2026/02/07
