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Foshan City Sanjiaozhou Electrical Technology Co., Ltd.

Diaphragm Pump, Water Pump, Pump manufacturer / supplier in China, offering 100 Gpd Diaphragm Pump 203-100A, Water Pump 1000gpd Ultra Flow 6L/Min @100psi Max 170psi Reverse Osmosis 636, Water Pump 100 Gpd 1.1 L/M Home Reverse Osmosis System Ec103 **Excellent No Leaking** and so on.

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Supplier Homepage Product RO Booster Pump 203 204 Series 100 Gpd Diaphragm Pump 203-100A

100 Gpd Diaphragm Pump 203-100A

FOB Price: US $17.67 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $17.67/ Piece
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Port: Rongqi, China
Transport Package: 12 PCS/Carton
Payment Terms: T/T, Paypal

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Basic Info
  • Material: Cast Iron, EPDM, Santoprene, Nylon
  • Function: Booster Pump
  • RO Purification: 100 Gpd
  • Inlet Pressure: 10psi - 40psi
  • Port: 3/8" FTP
  • Certificate: C E, RoHS, Wqa Gold Seal (ANSI 58)
  • Trademark: E-CHEN
  • Origin: China
  • Power: Electric
  • Performance: No Leak
  • Flow: 1.1L/M @ 70psi
  • Outlet Pressure: Constant @ 70psi
  • Adapter: 2A (Sold Separately)
  • Patent Product: Yes
  • Specification: 203x103x103mm, 2.1kg
Product Description

Foshan City Sanjiaozhou Electrical Technology Co., Ltd.

E-CHEN RO Booster Pump 203 Series

Constant pressure invention design
Extend the life of RO membrane
Solution for water pressure fluctuation problem
Suitable pipe pressure 10-40 psi
No influence from climate and temperature
No decompression
No water leakage problem
Stable current makes transformer's life longer than other booster pump
Constant pressure technology to ensure stable pressure work on RO membrane
Materials of Construction:
Nylon Housing
EPDM Valves
Santoprene Diaphragm
Stainless Steel Fasteners
Applications for E-CHEN Booster Pump:
Pre-Filter Water Treatment
RO Boost
Carbonation Systems
Misting Systems
Medical Labwater
Fuel Cells


100 Gpd Diaphragm Pump 203-100A

100 Gpd Diaphragm Pump 203-100A



EC-203-100A (100 GPD)


24VDC (12V available)

Rated Current


Current At 70 PSI

≤  1.2A

Flow At 70 PSI

≥ 1.1L/Min


3/8" FPT inlet/outlet

100 Gpd Diaphragm Pump 203-100A
Recommend Accessories:
- E-CHEN 2A transformer


Net Weight

2.1 Kg each

Carton Weight

12 each, 28 Kg

Carton Size

50 X 26.5 X 35.5 cm


210X 104X 99
Dimension : MM

EC-203 A Series Model
EC-203-50A30 psi70 psi≥ 550 ml/m24VDC≤0.8A
EC-203-75A30 psi70 psi≥  850 ml/m24VDC≤1.0A
EC-203-100A30 psi70 psi≥  1100 ml/m24VDC≤1.2A
EC-203-200A30 psi70 psi≥ 1600 ml/m24VDC≤1.6A
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Mr. Scott Pao
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