Parker FL Series Float Switch


Adjustable Float Switch Reservoir Equipment

  • Float switches can be adjusted on site
  • Reliable design using reed switches
  • 3 lengths available, 500mm, 1000mm and 1500mm
The FL Seriesis a range of vertically mounted, single float level switches operating on the proven reed switch and magnet principle. The FL Seriesfloat switch can be tailored by the user for a particular application, by adjusting the length of the float switch tube. It is also possible for the user to select the switching configuration by inverting the float, giving either open on rise or close on rise operation. The unit is supplied part assembled, with detailed instructions for the user to complete assembly to the specifications of the application and to install the unit. The FL Seriesis designed to be adjusted by the user to fit their tank. The unit consists of a stem with the reed switch and float already set in position. The customer can cut the stem to fit their tank, and assemble it to the header. The unit is then ready to be fitted to the tank.The unit has a factory set “Open On Rise” switching configuration, but this can be changed by reversing the float.
 Note: FL Series switches supplied as loose parts so no IP class applies. If assembled correctly by the customer, the IP class is IP67



Mounting: 1" BSP threaded Header
Gasket: 2.0 mm thick sealing washer
Length: Adjustable up to 1500m
Electrical specification
Supply voltage: 40 Vac maximum 300 Vdc maximum
Switching current: 0.5 A

Material specification

Header Brass Stem Brass
Float Polypropylene Gasket lingersil grade C4324 to BS7531 grade Y

Other Parameter

Fluid types Any liquids compatible with brass and polypropylene

Ordering Information

Part number Supersedes Description
FL050010R FL-0500-1-0R 500 mm long float level
FL100010R FL-1000-1-0R 1000 mm long float level
FL150010R FL-1500-1-0R 1500 mm long float level