You searched for "float level sensor"
Elesa
Elesa Liquid Level Indicator 14463, G 1/2
Part: 14463
Half-inch plug-type level indicator for compact space installations with elastomer sealing.
Elesa
Elesa Liquid Level Indicator 13691, G 1/2
Part: 13691
Plug-style liquid level indicator for larger hydraulic tanks and reservoirs.
Elesa
Elesa Liquid Level Indicator 13692, G 1/2
Part: 13692
Elesa sight glass level indicator for direct visual monitoring of liquid levels in containers.
Elesa
Elesa Liquid Level Indicator GN.37549, G 1/2
Part: GN.37549
Elesa sight glass indicator monitors liquid levels in hydraulic systems up to 100°C.
Elesa
Elesa Liquid Level Indicator 10901, G 1/2
Part: 10901
Glass sight indicator for monitoring liquid levels in hydraulic systems up to 110°C.
Elesa
Elesa Liquid Level Indicator GN.37468, G 1/2
Part: GN.37468
High-temperature sight glass level indicator rated to 180°C for thermal systems.