High flow low voltage Stainless steel pump

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Coolant & Fluid Pumps

  • 12V or 24VDC Booster Pump helps prevent from any pressure drop in coolant heating system

Compact High Flow Pump Overview

Designed for use in low voltage applications where space limited but high flow is required, these pumps are ready to perform. Built with high grade materials such as Stainless Steel, Brass, or Composites. Thermex pumps are used in a wide range of applications.

  • Coolant system booster pumps
  • Water circulation
  • Fluid Transfer
  • Ground Heating Systems

Available in both enclosed and bare versions, Thermex pumps are ready to work.

BoosterPump™ Documentation

Weather Protected Coolant Circulation Pump
high flow stainless steel coolant pump

CP2500 Stainless Steel Centrifugal Pump


The CP2500 has proven its prowess circulating hot coolant through our line of powerful TundraTherm Hydronic Heaters. The stainless steel construction makes for incredible durability and reliability. Available in 12 and 24 volt the CP2500 is capable of flowing up to 98LPM (26GPM) while measuring in at only 205MM (8″) in length.

  • 12volt and 24volt dc models
  • Bare pump or optional weather protected enclosure
  • Able to handle heated glycol
  • Stainless steel housing and impeller
  • Compact size

GP2500 Self Priming Gear Pump


With a 100% Duty cycle the GP2500 is capable of self priming and moving even sludgy engine coolant. The brass construction makes this pump resilient and reliable with low maintenance requirements. Available in 12volt dc with a length of only 208mm (8.2″), GP2500 is the perfect for mobile and stationary applications.

  • Brass housing and impellers
  • Powerful sealed DC motor
  • Self Priming
Self Priming high pressure 12 volt Gear Pump
Compact 12volt and 24volt coolant circulation pump

CP500 Coolant Pump


The CP 500 pump is specifically designed for engine coolant circulation. Its small foot print and low amp draw make it ideal for operation with small heaters or systems with minimal back back pressure.

  • 12 and 24Volt options
  • Small foot print
  • Light weight
  • Low current draw