If you require a 5 hole flange please see here
Technical Datasheet
Installation Instructions
With no moving parts, the Rochester TLL130 Level Sensor is long-lasting and tough. With a default output of 10–180 Ohms and lengths of up to 2000mm in-stock now, the TLL130 is designed to fit a variety of tanks. GTS can also supply custom lengths and output options depending on what you need. Rochester
Features:
- 10–180 Ohms default output
- No moving parts!
- 1/2" BSPT Thread Connection
- Up to 2000mm lengths available in-stock at GTS
- Custom lengths and output options available on request