Husky 007600 Black Knight Liquid Level Gauge where Numbers decrease as fluid level lowers indicating how many inches are left until the tank is empty. For use with oil, waste oil, diesel fuel, antifreeze and other fluids with a high flash point.
Honeywell pressuretrol controller with a range of 2-15 psi (adjustable 2-6 psi differential range), and a 1/4″ NPT female connection to siphon loop. This pressuretrol features a SPDT switch that can make or break on pressure rise. L404F pressuretrol controllers provide operating control with automatic limit protection for pressure systems of up to 300 psi. Controllers may be used with steam, air, or noncombustible gases, or fluids noncorrosive to the pressure sensing element.