LFL Range

Previous Products

This product is no longer available. This page is for reference only, please see CH 4-50 FL for the LFL5-4S and CH 4-60 FL for the LFL7-4S.

The LFL range of automatic flow switch pumps comprises of 2 models offering a simple solution to pressure boosting where a gravity flow of approximately 1 l/min already exists.   Ideal for presurisation of water outlets where an instant boosted supply is required from a simple to install package.

Technical Specification

Seal options Nitrile/carbon/silicon
Pump connection size: 
Inlet G1¼ female
Outlet G1 female
Max. inlet head 14 metres
Motor options 230/1/50
Enclosure rating IP44
Motor Induction type permanent capacitor thermally protected
Rating Continuous (S1)
Operating Conditions
Max. liquid temp. 65°C
Min. liquid temp. 4°C
Max. suction lift Flooded
Max. ambient air temp. 40°C
1 Year Guarantee United Kingdom only

Pump Variations
Part no Description
46400 LFL5-4S, 230/1/50, NIT/CAR/SIL
46401 LFL7-4S, 230/1/50, NIT/CAR/SIL