rntt- Compact construction for cavity type AN ˘ 3/4−16 UNF rn- External pilot drain rn- On−off differential independent of tank line pressure rn- Choice of 5 on−off differentials rn- 3 pressure ranges available rn- With integral pressure−relief function rn- Available with hand−knob rn- All external parts zinc plated, chromited (CrVI−free) rn- Can be fitted in a line−mounting bodyrnt