TRIMPAC® Model E-3 is a trim package for a Firecycle® III and Firecycle® III-OH System and is manufactured and factory leak tested in a metal enclosure. The standard trim normally required on a Firecycle® III and Firecycle® III-OH System has been preassembled into a single cabinet. TRIMPAC® Model E-3 provides access doors for the emergency release and alarm test valve for manual operation of these trim valves. TRIMPAC® Model E-3 is equipped with a priming water pressure gauge view-ports for easy monitoring of water pressures.