Gold Member Since 2012
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Wenling Baiyi Pump Co., Ltd.

Wiro Pump, Groungfos Pump, Family Pump manufacturer / supplier in China, offering Hot Water Booster Circulation Pump RS25/4, Small Hot Water Circulation Pump 3 Speed Pump RS15/6g, Heating Circulation Pump (RS25/4G-130) and so on.

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Supplier Homepage Product Water Pump Hot Water Booster Circulation Pump RS25/4

Hot Water Booster Circulation Pump RS25/4

Purchase Qty.:
1-299 300+
FOB Unit Price: US $12.8 US $12.5
Purchase Qty. (Pieces) FOB Unit Price
1-299 US $12.8
300+ US $12.5
Get Latest Price
Port: Ningbo, China
Production Capacity: 50000pieces/Year
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: RS25/4
  • Max.Capacity: 48L/Min
  • Material: Cast Iron
  • Assembly: Booster Pump
  • Start Up: Electric Pump
  • Media: Clean Water
  • Theory: Centrifugal Pump
  • Max.Head: 4m
  • Driving Type: Motor
  • Structure: Single-stage Pump
  • Power: Electric
  • Type: Circulation Pump
  • Performance: No Leakage Pump
  • HS Code: 33119619
Product Description

Hot water booster pump, mini hot water pump, circulation pump

 1.Low-noise & Low-energy                                

 2.CE Certificate 

 3.Easy installation

Product Description

 Low-noise, no leakage, environmental protection, beautiful appearance, convenient installation 

Technical data:

 1) Suitable fluids: heating water to VD12035
 2) Heating water: 
 3) Water/glycol mixtures max. mixing ratio: 1:1











1) Fluid temperature range: -10°C - +110 °C
2) Max. working pressure: 10 bars

3) Ambient temperature: permissible up to 40 °C

Main power: 1 - 230V, 50Hz /60Hz.


1) Degree of protection: lp44
2) Insulation class: F 

Construction materials:
 1) Pump body: cast iron
 2) Impeller: PPO, stainless steel on request
 3) Shaft: porcelain
 4) Bearings: graphite or ceramic

Mounting positions:
Pump shaft in the horizontal plane, terminal box

pump equipment:

 1) Screwed end single head pump
 2) Manual 3-speed control
 3) Non-overloading single phase motor
  4) Cast iron body, 130mm/180mm port-to-port


 1) size,pipe connection:G1.5"-1"

 2) port to port length:180mm

 3) Max.operating pressure:1 bar

 4) Pressure stage,pipe connection:PN10


   Dsigned for circulation of liquid in heating and air-conditioning systems. Such as:

·  One- and two-pipe heating systems

·  Main pumps/Zone pumps

·  Boiler shunt pumps

·  Calorifiers

·  Solar heating systems  

·  Geothermal heating systems

·  Heat recovery systems

·  Two-pipe air-conditioning systems

·  Pumps for refrigeration units 

 Mounting positions:
 1) Pump shaft in the horizontal plane, terminal box

 2) Optional 3, 6, 9 or 12 o'clock

 Hot Water Booster Circulation Pump RS25/4
Hot Water Booster Circulation Pump RS25/4
Hot Water Booster Circulation Pump RS25/4


Packaging & Shipping

 Hot Water Booster Circulation Pump RS25/48pcs/carton, Carton dimensions: 42x29x30cm

 N.W.: 2.4kg            G.W.: 2.6.5kg

 inner packing (Plastic bag) +outer packing (carton) or follow client's request

 Do not hesitate to contact me for any additional info.

 Tel: 0086-86337122                             

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Mr. Richard Zhu
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