The easy-to-read GNX 21 marine instrument has an inverted display with white or colored digits on a black background

Side mounted control box with two handles

Black latex cuffs from Gill

Hood bracket side 2 holes

Sea-Fire 131-463 System Monitor & Shutdown Control caps og huer The easy-to-read GNX 21 marineThe Sea Fire 131 463 System Monitor & Shutdown Control with Temperature Alarm is a bulkhead mounted display that provides both a visual and audible alarm in the event of shutdown system activation and engine shutdown. Fully compatible with all Sea Fire Engine Shutdown and Re Start Systems (ESRS) Once the fire is out, the Sea Fire 131 463 allows you to restart the engines. The Sea Fire 131 463 display can also be added with a temperature alarm, it is