For transformers running at oil temperatures below 30°C (86°F) a preheater (PH- V30) should be installed in order to ensure optimum water removal.
The preheater is installed just prior to the oil intake of the V30 Vacuum Filter.

Technical Specifications:
PH-V30 CJC™ Preheater
Drip pan mounted
Heat exchanger: Swep B8x30
Preheater: 1500 W with termo switch
Flanges inlet/outlet: DN20 PN16
Supply voltage: 3x230/400V
Frequency: 50Hz