GF83.70-P-4205SX STH Switchover Valve Component Description

GF83.70-P-4205SX STH Switchover Valve Component Description
- with CODE (228) Stationary heater

Component Identification:

Location
The STH switchover valve is located in the front right wheel well next to the STH or HB heater unit (A6) on model 221 or the STH heater unit (A6) on model 216.

Task
The STH switchover valve regulates the flow of coolant (small or large coolant circuit).

Actuation on model 221 is conducted by the STH or HB control unit (A6n1) or on model 216 by the STH control unit (A6n1).