Water pump advice and buying guides.
Field notes from the pump room: practical, engineer-led advice on choosing, installing, and maintaining pumps.
Dirty Water Pump or Puddle Pump for a Flooded Garden?
Search for a pump for a flooded garden and you'll be shown dirty water pumps with float switches. They may be good pumps, but they're often the wrong ones fo...
Booster Pumps for Low Water Pressure
Before fitting a pump to fix weak showers and taps, check the cause and the rules. Why most booster pumps draw from a break tank rather than the mains, and h...
Silty Water and Sediment Filters: Pumping Site Water Without Polluting
Muddy water pumped from a trench is a pollutant. Four ways to keep silt out of the discharge, how dewatering sediment filters work, and why you need to check...
Pumping Water From Under a Suspended Timber Floor
Water in the void under a suspended timber floor is out of sight but not harmless. First find out why it's there, then how a small sump and a slim automatic ...
What Size Pump Do You Need Behind a Flood Barrier or Wall?
How to size the pump behind a flood barrier or wall: work out rain and seepage in litres per minute, check the flow at your real lift, and build in redundanc...
Hire or Buy a Flood Pump?
Hiring a flood pump sounds sensible, but flooding rarely waits for a delivery. Why the pump you own is the one that's there when the water arrives, how to ch...
Agitator Pumps for Silty Water and Trenches
Standard sub pumps leave the silt behind and clog. How an agitator pump stirs settled fines back into suspension, and when to choose the EVAK Trenchman, the ...
Manual vs Automatic Flood Pumps: Which Do You Need?
Manual pumps give the operator control and can clear water very low. Automatic pumps can respond when nobody is there. The right choice depends on how and wh...
Wet Vac or Pump? What to Use When There’s Water on the Floor
A wet vac or a pump for a flooded floor? When each makes sense, how much water is really there, and why a puddle pump clears floors to 1–2 mm.
