Switchable / Variable water pump: All you need to know

A variable water pump is a mechanical water pumps that allow the impeller to move or not the coolant through the cooling circuit.

The motor delivers premium energy efficiency and programs flexibility with a digital controller mounted directly onto the pump. The Variable Speed Pump can save you up to 80% in energy costs over single-speed pumps. It also has faster payback than the more expensive variable speed pumps because it is sized to match the performance of the most common medium heat pumps.

Xtremepowerus 115-Volt 1.5HP Swimming Pool Pump Variable Speed Digital LCD Above Ground Pool w/Fitting

What kind of switch do I need to completely shut off all power in a 115v circuit? I have a water pump near a lake, a long way from the breaker. I'd

Variable mechanical water pumps made easy

Compact flow switch for liquid media DTT31

Tutorial - SKF switchable water pumps for 2.0 diesel engines

BOKYWOX 110V Automatic Booster Pump NPT3/4'' Domestic Hot Water Recirculating Pump 120W Solar Heater Circulation System Shower&Tap （RS15/9B） - Yahoo Shopping

Nfpa Diesel Engine Submersible Multistage Turbine Fire Pump - China Diesel Engine Pump, Fire Pump

DC 24V 1.1 A Water Suction Pump Free Switchable Suction Pump 478μl /Rev High Power Water

Switchable water pump PSF

Smartbot Submersible water pump Flow Rate 3000 GPH, Max Lift 25 Ft, 1/2 HP, 2 Hose Kit, Small Portable Electric Utility Pump, Hand Manual switch (Yellow) Plug-and-Play to work - Yahoo Shopping

All About Switchable Water Pumps – IDParts Blog – Diesel News, Info and Guides