CH1: 1 relay module signal to trigger the end (high level trigger effective). CH2: 2-channel relay module signal to trigger the end (high level trigger effective). CH3: 3 relay module signal to trigger the end (high level trigger effective).
Works with 12V and 24V systems (24V relays need to be replaced, included). Ensures optimal engine cooling without overheating. Includes pre-labeled wiring and hardware for hassle-free installation. We do not accept P.O. Boxes.
Feature: The thermostat dial has Celsius and Fahrenheit temperature markings to make the set up more convenient. Using: The probe can be mounted in a radiator inlet tube so that remains positioned in the hose.
