FL-2 Fitting Flange

Nylon Flange used for mounting the S3 type sender or the S3H holding tank (black water) sender.

Fitted to topside of tank to create 1 ¼” BSP thread.  Hole pattern is standard SAE 5 hole.

• 1 ¼” BSP thread and dual 5 hole pattern
• Converts SAE 5 hole or VDO 5 hole pattern for retro-fitting
• Supplied with nitrile rubber gasket
• Screw hole size – 5mm
• Perfect for use in retrofitting floating arm sender to give female thread for standard S3 type sender

For mounting in tanks with a thin top it is recommended to use a FL-2 flange together with a FLS-U under-ring (stainless steel) flange to secure against leaks.

The hole pattern on the FLS-U fits the 5 inner holes on the FL-2.

This hole pattern is the standard SAE 5-hole pattern Ø54 mm.

Please note that the SAE 5-hole pattern is not symmetrical.

Turn the parts to find the correct position before fitting the screws. A mark on both parts shows corresponding holes.

MOUNTING EXAMPLE

When mounting the FL-2, cut a 59 mm hole in the tank where the sensor is to be placed.

Slide the FLS-U in place inside the tank, and mount the FL-2 with rubber gasket on tank top.

When all 5 screws are securely tightened, the S3 sensor, with its 2 o-rings, can be screwed into the FL-2 flange.