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22
Always keep the flow of water unobstructed in the discharge hose by keeping it flat
and straight. Avoid sharp bends in the hoses and do not place heavy objects on top.
If the discharge hose must run across a roadway, heavy boards should be placed next
to the hose, so the motor vehicle's weight does not deform or crush the discharge
hose. Driving over a discharge hose while the pump is running or stopped may cause
pump case failure.
NOTE
Ensure the pump is primed before operating. Running the water pump
without priming with water for an extended period will damage the pump.
The farther and higher the water must travel, the lower the pump's output
will be.
Pump performance will decrease as the altitude increases due to lower
atmospheric pressure.
For more detailed information, see the charts below to learn how the total
head lift affects your model's flow rate.
Total Head
m
ft
40
131
36
118
32
105
28
92
24
79
20
66
16
52
12
39
8
26
4
13
0
0
0
0
23
6
12
18
23
29
45
68
87
110
HWP150
35
41
47
53
59
132
155
178
201
223
HWP & HWT SERIES
65
70
76
82
88
246
265
288
310
333
Flow Rate
GPM
L / min
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