https://www.rugswt.com/product/smart-ip67-oil-proof-water-level-controller-for-oil-tank-sump-stainless-steel-304-316-zinc-alloy-30-200-10w-50w-n-o-n-c-contacts/ Manufacturer of industrial control switches. Full range includes Metal Push Button, Emergency, Sensor, Float, Foot, and Rotary switches. IP67/IK10 rated solutions for global automation & heavy-duty applications. Wed, 06 May 2026 02:56:54 +0000 hourly 1 https://wordpress.org/?v=6.8.2