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Home >> Mercedes Benz >> 2006 >> S600 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control -- Basic Knowledge -- 215 & 220 Chassis >> Basic Knowledge >> Duovalve, function - GF83.20-P-2100 >> Duovalve, location - GF83.20-P-2100-02I

Duovalve, location - GF83.20-P-2100-02I

Illustrated on model 220 

The duovalves (A31y1, A31y2) are located in the engine compartment at the left rear next to the coolant circulation pump (A31m1).

Fig 1: Identifying Duovalve And Coolant Circulation Pump Location - Model 220
G04851356