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  2. ZHEJIANG LEFOO CONTROLS CO., LTD
  3. LEFOO AIR PRESSURE SWITCH /LF31 /for funace/ Air Differential Pressure Switch/
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LEFOO AIR PRESSURE SWITCH /LF31 /for funace/ Air Differential Pressure Switch/
1 /1Page

LEFOO AIR PRESSURE SWITCH /LF31 /for funace/ Air Differential Pressure Switch/

LEFOO AIR PRESSURE SWITCH /LF31 /for funace/ Air Differential Pressure Switch/
1 /1Page

Catalog excerpts

LEFOO AIR PRESSURE SWITCH /LF31 /for funace/ Air Differential Pressure Switch/-1

Dimension in:mm LF31 switches offer pressure, vacuum and differential models capable of sensing very low setpoints, and switching current up to 5A resistive, 2.5A inductive. Designed for use in the HVAC industry, where reliable air proving is critical to both performance and customer safety. The LF31 is a favorite with leading manufacturers ofgas-fired warm air furnaces and water heaters.

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All ZHEJIANG LEFOO CONTROLS CO., LTD catalogs and technical brochures

  1. LFS-02
    LFS-02

    1  Page

  2. T2000
    T2000

    1  Page

  3. LF40-01
    LF40-01

    1  Page

  4. LF32
    LF32

    1  Page

  5. LEFOO/LFP1000JS/SMALL SIZE BOOSTER PUMP/SMALL SIZE DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/50G/75G/SELF PRIMING
    LEFOO/LFP1000JS/SMALL SIZE BOOSTER PUMP/SMALL SIZE DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/50G/75G/SELF PRIMING

    1  Page

  6. LEFOO/LFP1050M/MINIBOOSTER PUMP/MINI DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/50G/75G
    LEFOO/LFP1050M/MINIBOOSTER PUMP/MINI DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/50G/75G

    1  Page

  7. LEFOO/LFP-P/BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/WATERPROOF
    LEFOO/LFP-P/BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/WATERPROOF

    1  Page

  8. LEFOO/LFP1000W/BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/STABILIZED
    LEFOO/LFP1000W/BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/STABILIZED

    1  Page

  9. LEFOO/LFP1000S/BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/SELF PRIMING
    LEFOO/LFP1000S/BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/SELF PRIMING

    1  Page

  10. LEFOO/LFP2000 /BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/BIG FLOW/800G/600G
    LEFOO/LFP2000 /BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/BIG FLOW/800G/600G

    1  Page

  11. LEFOO/LFP1000 /BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/FOR 75G/50G/100G
    LEFOO/LFP1000 /BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/FOR 75G/50G/100G

    1  Page

  12. LEFOO/LFP AC /BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/220V
    LEFOO/LFP AC /BOOSTER PUMP/DIAPHRAGM PUMP/FOR RO SYSTEM/DRINKING MACHINE/220V

    1  Page

  13. LEFOO/LFP1000N/NANO FILTRATION DIAPHRAGM BOOSTER PUMP/FOR RO SYSTEM/DRINKING MACHINE/24V
    LEFOO/LFP1000N/NANO FILTRATION DIAPHRAGM BOOSTER PUMP/FOR RO SYSTEM/DRINKING MACHINE/24V

    1  Page

  14. LEFOO/LFP1000J SERIES/ BOOSTER PUMP/ MINI PUMP/DIAPHRAGM PUMP
    LEFOO/LFP1000J SERIES/ BOOSTER PUMP/ MINI PUMP/DIAPHRAGM PUMP

    1  Page

  15. LEFOO/LFSV20-B/DRAINAGE SOLENOID VALVE/FOR TANK/ PIPE/DRYING MACHINE
    LEFOO/LFSV20-B/DRAINAGE SOLENOID VALVE/FOR TANK/ PIPE/DRYING MACHINE

    1  Page

  16. LEFOO/FLOAT SWITCH/ FOR TANK/ WELL
    LEFOO/FLOAT SWITCH/ FOR TANK/ WELL

    1  Page

  17. LEFOO/LF56/FOR BOILER/FOR STEAM/GAS/WATER
    LEFOO/LF56/FOR BOILER/FOR STEAM/GAS/WATER

    1  Page

  18. LEFOO/LFPC-1/AUTOMATIC WATER PUMP CONTROLLER/FOR WATER PUMP/MANUAL SET
    LEFOO/LFPC-1/AUTOMATIC WATER PUMP CONTROLLER/FOR WATER PUMP/MANUAL SET

    1  Page

  19. LEFOO/ PRESSURE SWITCH/ LFDS10/HIGH PRECISION/DIGITAL/MANUAL/ VISUAL/LCD
    LEFOO/ PRESSURE SWITCH/ LFDS10/HIGH PRECISION/DIGITAL/MANUAL/ VISUAL/LCD

    1  Page

  20. LEFOO/high pressure switch/LF706/DIN43650C/DIN43650A/HIRSCHMANN/brass/diaphragm
    LEFOO/high pressure switch/LF706/DIN43650C/DIN43650A/HIRSCHMANN/brass/diaphragm

    1  Page

  21. LEFOO/high pressure switch/LF701/ diaphragm
    LEFOO/high pressure switch/LF701/ diaphragm

    1  Page

  22. LEFOO PRESSURE SWITCH/LF5D/Differential/refrigeration/cooling/hvac
    LEFOO PRESSURE SWITCH/LF5D/Differential/refrigeration/cooling/hvac

    1  Page

  23. LEFOO pressure switch/ LF58 /for HAVC/for refrigeration/Dual pressure switch
    LEFOO pressure switch/ LF58 /for HAVC/for refrigeration/Dual pressure switch

    1  Page

  24. LEFOO pressure switch/ LF55/automatic pressure control/ manual reset pressure switch/for HAVC/electronic water pressure control switch/water pump pressure switch/
    LEFOO pressure switch/ LF55/automatic pressure control/ manual reset pressure switch/for HAVC/electronic water pressure control switch/water pump pressure switch/

    1  Page

  25. LEFOO pressure switch /LF42 /for water system/high and low pressure switch/ water dispensers
    LEFOO pressure switch /LF42 /for water system/high and low pressure switch/ water dispensers

    1  Page

  26. LEFOO pressure switch/ air actuated pressure switch/LF40
    LEFOO pressure switch/ air actuated pressure switch/LF40

    1  Page

  27. LEFOO pressure switch/sewage pressure switch/liquid level pressure switch/LF37
    LEFOO pressure switch/sewage pressure switch/liquid level pressure switch/LF37

    1  Page

  28. LEFOO pressure switch/differential pressure switch/metal pressure switch/Relative pressure switch/LF35/Air Differential Pressure Switch/
    LEFOO pressure switch/differential pressure switch/metal pressure switch/Relative pressure switch/LF35/Air Differential Pressure Switch/

    1  Page

  29. LEFOO differential/for pallet stove/pressure switch/visible calibrate pressure switch/filter switch/fan switch/filter control/Relative pressure switch/adjustable pressure switch/LF32
    LEFOO differential/for pallet stove/pressure switch/visible calibrate pressure switch/filter switch/fan switch/filter control/Relative pressure switch/adjustable pressure switch/LF32

    1  Page

  30. LEFOO AIR PRESSURE SWITCH /LF30/ for gas boiler/differential
    LEFOO AIR PRESSURE SWITCH /LF30/ for gas boiler/differential

    1  Page

  31. LEFOO PRESSURE SWITCH/LF25/for boiler/steam cleaner/ steam iron
    LEFOO PRESSURE SWITCH/LF25/for boiler/steam cleaner/ steam iron

    1  Page

  32. LEFOO PRESSURE SWITCH/ vacuum switch for swimming pool// for heat pump for pool water LF20-V
    LEFOO PRESSURE SWITCH/ vacuum switch for swimming pool// for heat pump for pool water LF20-V

    1  Page

  33. LEFOO PRESSURE SWITCH/ FOR STEAM/ air/ water/ oil/ HIGH PRESSURE SWITCH/LF20-H
    LEFOO PRESSURE SWITCH/ FOR STEAM/ air/ water/ oil/ HIGH PRESSURE SWITCH/LF20-H

    1  Page

  34. LEFOO pressure switch/ for irrigation/for car/adjustable / metric-pack connector/no-delay pressure switch/for brake system/ for oil pump/ LF20
    LEFOO pressure switch/ for irrigation/for car/adjustable / metric-pack connector/no-delay pressure switch/for brake system/ for oil pump/ LF20

    1  Page

  35. LEFOO pressure switch/ LF19/ for water pump/ for air compressor/ tank
    LEFOO pressure switch/ LF19/ for water pump/ for air compressor/ tank

    1  Page

  36. LEFOO PRESSURE SWITCH/ THREE PHASE/ for tank/ for water pump/ for air compresspor/LF18
    LEFOO PRESSURE SWITCH/ THREE PHASE/ for tank/ for water pump/ for air compresspor/LF18

    1  Page

  37. LEFOO PRESSURE SWITCH/LF17-W/ for water pump system/ heavy duty/lager duty
    LEFOO PRESSURE SWITCH/LF17-W/ for water pump system/ heavy duty/lager duty

    1  Page

  38. LEFOO PRESSURE SWITCH/LF17/for air compressor/ heavy duty/ for industry
    LEFOO PRESSURE SWITCH/LF17/for air compressor/ heavy duty/ for industry

    1  Page

  39. LEFOO PRESSURE SWITCH/LF16/ WATER PUMP/ PUMP SYSTEM
    LEFOO PRESSURE SWITCH/LF16/ WATER PUMP/ PUMP SYSTEM

    1  Page

  40. LEFOO PRESSURE SWITCH/LF10-W/ WATER PUMP/ WATER SYSTEM/ PUMP SYSTEM
    LEFOO PRESSURE SWITCH/LF10-W/ WATER PUMP/ WATER SYSTEM/ PUMP SYSTEM

    1  Page

  41. LEFOO PRESSURE SWITCH/LF10-L/AIR COMPRESSOR/ TANK PRESSURE
    LEFOO PRESSURE SWITCH/LF10-L/AIR COMPRESSOR/ TANK PRESSURE

    1  Page

  42. LEFOO PRESSURE SWITCH/LF10/Air compressor/ tank pressure/4 ports/ with handle
    LEFOO PRESSURE SWITCH/LF10/Air compressor/ tank pressure/4 ports/ with handle

    1  Page

  43. LEFOO PRESSURE SWITCH/ Vacuum/ LF08V/ for RO system/ cooling system/ air conditioning/ safety controls/ LF08-V condensing units/ refrigerator/
    LEFOO PRESSURE SWITCH/ Vacuum/ LF08V/ for RO system/ cooling system/ air conditioning/ safety controls/ LF08-V condensing units/ refrigerator/

    1  Page

  44. LEFOO PRESSURE SWITCH/LF08A/for RO system/cooling system/ air conditioning/ safety controls/ condensing units/ refrigerator
    LEFOO PRESSURE SWITCH/LF08A/for RO system/cooling system/ air conditioning/ safety controls/ condensing units/ refrigerator

    1  Page

  45. LEFOO PRESSURE SWITCH/LF08/for RO system/cooling system/ air conditioning/ safety controls/ condensing units/ refrigerator
    LEFOO PRESSURE SWITCH/LF08/for RO system/cooling system/ air conditioning/ safety controls/ condensing units/ refrigerator

    1  Page

  46. LEFOO PRESSURE SWITCH/LF05/Miniture steam/water vapor/stainless steel
    LEFOO PRESSURE SWITCH/LF05/Miniture steam/water vapor/stainless steel

    1  Page

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.