Uflex 64719P HFL waste tank sensor adaptor flange 1-1/4" BSP, suitable for use with Uflex US3H holding tank senders: US3H-1 (20602U), US3H-2 (20603W), US3H-3 (20604Y), US3H-4 (20605A) and US3H-5 (21717T).

Resistance rating: 240 Ohm (empty) - 33 Ohm (full)