WEBASTO DBW SERIES HEATERS TECHNICAL DATA
Coolant Circulation Pump
Volume flow l/h (US. Gal/min)
Nominal voltage V
Operating voltage range V
Nominal power consumption W
Dimensions of length
coolant circulation pump width
height
Hose connection O.D.
Weight kg (lb.)
U 4814
5200 (22.9) @ 0.15 bar
12 or 24
10 ... 14 or 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 (4.63)
U 4851 & U 4852
6000 (26.4) @ 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 (5.95)
U 4814, U 4851 and U 4852 Coolant Pump Data
Table 6: U 4810 & U 4846 Coolant Pump Data
NOTE:
The allocation of circulation pumps to heater units must be in accordance with coolant resistances.
Recommended coolant circulation pumps for DBW 2020 and DBW 300 heaters.
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