• The sensor housing contains a red and black 2-wire probe in a cast aluminum housing
• The sensor housing has a 2" NPT mounting thread, heavy-duty stainless steel hardware, and an FKM probe seal 

• Housing with 18" red and black 2 wire overfill detection probe
• The FloTech optic 2 wire probe is electronically and mechanically compatible for drop-in replacement of other commonly used 2-wire probes with red and black wires.

Install into either a 2" NPT threaded port or a 2-3/8" diameter tank opening using the gasket and locking nut provided.

All FloTech™ electronics manufactured after January 1, 2015 are covered by our 5 year warranty.