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Koshin SE-50X - 158 GPM (2") Water Pump w/ Subaru EX13 Engine

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Koshin Water Pumps and Accessories
Model: SE-50EX
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Inlet Size
2"
Style
Dewatering Pumps
GPM
158
Gallons
Engine
2" Self-Priming Water Pump
Great for clear water removal, requires initial priming

Commercial Grade Subaru EX13 OHC 4-Cycle Engine
Provides long life and great fuel efficiency
33 % Fewer moving valve train parts than OHV designs

Low Oil Sensor
Alerts you or shuts engine down if oil reaches an unsafe level

Cast Iron Volute & Impeller
Designed for durability and long operating life

Die Cast Aluminum Pump Housing
Proven design decreases weight without compromising durability

Sturdy Steel Roll Cage
Provides total protection of the pump and engine

Vibration Isolators
Minimizes pump movement during operation

2-Year Limited Warranty


Engine
Engine Brand
Robin Subaru
Starting System
Recoil Start
Engine Cycles
4-Cycle
Low Oil Shutdown
Yes
Horsepower
4.3 hp
CC
126 cc
Fuel Tank Size
0.71 Gallons
Run Time
2 Hours
Consumer Engine Warranty
2 Years
Commercial Engine Warranty
2 Years
Pump
Gallons Per Minute
158 Gallons
Inlet Diameter
2"
Outlet Diameter
2"
Self Priming
Yes
Pump Head Material
Aluminum
Pump Housing Drain
Yes
Quick Clean Out
No
Impeller Material
Cast Iron
Suction Head
26 Feet
Total Head Lift
98 Feet
Submersible
No
Accessories
Tool Kit
No
Strainer
Sold Separately
Hose
Sold Separately
Hose Couplings
No
Hose Bands
No
Lifting Hook
No
Wheel Kit
Sold Separately
Overview
Made in USA
No
Weight
53 Pounds
Product Length
18 Inches
Product Width
14 Inches
Product Height
16 Inches
Consumer Warranty
2 Years
Model
SE-50EX
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  1 Question
Q: Hi Jim Is it okay to have the input 2 inch in and reduce the output to a 1 1/2? that would probably increase the PSI a little bit more too, right? or do I have to match both input and output with the same size hose? Thank you.
by Marc D from Minnesota on January 22, 2014

A: It is always recommended that you use the same diameter hose/piping as the suction and discharge ports on the pump. While it is sometimes necessary to reduce that diameter, it is NOT recommended that you do so by more than one size. In this case, 1-1/2" hose or piping would be the maximum reduction, While you may see an increased pressure due to the reduced piping, the pump will also see an increased backpressure on the pump. The more you reduce the hose/piping diameter, the more you increase this backpressure AND increase premature pump failure that would NOT be covered under warranty.
by Jim, Product Expert
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