Forum Discussion
Old-Biscuit
Jun 03, 2014Explorer III
Standard thru the wall level sensors are held in place with a rubber grommet that gets compressed.
Drill the proper size hole.......insert probe...tighten nut compressing rubber grommet..hook up sensing wire.
Old OEM probe (short flat) and new Horst Probe

Drill the proper size hole.......insert probe...tighten nut compressing rubber grommet..hook up sensing wire.
Old OEM probe (short flat) and new Horst Probe
About Travel Trailer Group
44,052 PostsLatest Activity: Oct 14, 2025