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WEBASTO THERMO 300 4TECHNICAL DATA
4-3
Circulation pump
Volume flow l/h (US. Gal/min)
Nominal voltage V
Operating voltage range V
Nominal power consumption W
Dimensions of coolant pump length
width
height
Hose connection O.D.
Weight kg (lb.)
U 4814
5200 (22.9) against 0.15 bar
24
20 ... 28
104
221 mm (8.7 in.)
100 mm (3.94 in.)
105 mm (4.14 in.)
38.0 mm (1.5 in.)
2.1
U 4852
6000 (26.4) against 0.4 bar
24
18 ... 32
209
285 mm (11.22 in.)
115 mm (4.52 in.)
110 mm (4.33 in.)
38.0 mm (1.5 in.)
2.7
NOTE:
The allocation of circulation pumps to heater units must be in accordance with coolant resistances.
4.3 U 4814 & U 4852 Coolant Pump Data
Table 4-2: U 4814 & U 4852 Coolant Pump Data
4.3.1 Coolant Circulation Pump U4814 Dimensions
Fig. 4-2 Coolant Circulation Pump U4814 Dimensions