Internal-ground thermostat is designed to work with Kat's Heaters Automatic Series or Push Button Series Ether Start systems. Keeps system from operating in temperatures above 50 F. Mounts on the engine block.

Replaces the thermostat for your Kat's Heaters Automatic Series or Push Button Series Ether Start fluid injection system. Keeps system from operating in temperatures above 50 F. Mounts on the engine block with included bracket.

This thermostat is designed for Kat's Heaters Automatic Series and Push Button Series Ether Start systems. Keeps system from operating in temperatures above 50 F. Screws into the water jacket opening in your engine block.

5' long cord with internal thermostat automatically controls your Kat's Heaters frost-plug-style engine block heater. Straight, molded end connects to heaters with 3-prong plugs.