Pumps, pressure, and machines that outlived their makers

How Does a Well Pressure Tank Work?
Learn how compressed air delivers well water between pump starts, what 40/60 PSI means, and why tank volume differs from usable drawdown.
By Walt Brenner · 15 October 2026 · 4 min readLatest

Well Jet Pump: Shallow, Deep-Well or Submersible?
Compare shallow and deep-well jet pumps, understand suction limits, and match flow, pressure and the ejector before replacing a pump.

Compact Water Booster Pump: Size the Pump and the Installation
Choose a compact water booster pump by flow, pressure boost, inlet conditions and service space—not maximum PSI or enclosure size alone.

Direct Acting Pressure Reducing Valve: Operation and Selection
Understand how direct acting pressure reducing valves work, why outlet pressure droops, and what to check when selecting or troubleshooting one.

Spin-Down Sediment Filter for Well Water: Sizing and Placement
Choose a spin-down sediment filter for well water by particle size, flow and pressure drop. Learn where it belongs and when flushing is not enough.

Split Case Pump: Design, Selection and Suction Checks
Understand split case pump construction, double-suction flow, curve selection and the suction-piping faults that can damage bearings and reduce output.

Fiberglass Well Pressure Tank: What to Check Before Buying
A fiberglass well pressure tank avoids steel-shell rust, but sizing, internal design, precharge and installation limits still determine suitability.
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Residential Water Well: Components, Pump Sizing And Safety
Learn which well records matter, how pumping water level affects pump sizing, and why pressure, water yield and laboratory testing need separate checks.

Well Water: Check Supply, Pressure and Safety Separately
Understand well water yield, pump head, pressure-tank storage and testing—and identify what to check before replacing a pump or adding treatment.

Pressure in a Well Tank: Precharge vs. Operating Pressure
Find the correct well-tank air precharge, understand 30/50 and 40/60 settings, and learn why the tank must be drained before checking it.

Constant Pressure Well Pump: VFD or Control Valve?
Compare variable-speed drives and constant-pressure valves, including motor compatibility, upstream pressure, low-flow behavior and tank requirements.

Whole House Water Pressure Booster Pump: Selection and Sizing
Find out whether a whole-house booster will help, calculate the required flow and pressure boost, and check controls and installation requirements.

Dewatering Submersible Pump: Flow, Head and Solids
Size a dewatering submersible pump for inflow, drawdown time and total head, then check solids limits, minimum water level, controls and power.

Eccentric Screw Pump: Working Principle and Design Features
Understand eccentric screw pump operation, rotor–stator geometry, flow and pressure, material selection, suction limits and essential protection.

How to Increase Water Pressure From a Well
Trace weak well-water pressure to restrictions, controls, pump capacity or well yield, then choose a repair, pressure adjustment, booster or storage system.

Bladder Tank for a Well: Size by Drawdown, Not Gallons
Compare well tank drawdown at 30/50 and 40/60 PSI, calculate capacity from pump flow and runtime, and check model-specific precharge before buying.

Solar Water Pump for a Well: Size the Whole System
Size a solar well pump by pumping water level, daily demand, total head and seasonal sunlight. Compare tank storage, pressure delivery and backup power.

Hand Pump for a Water Well: Size to Water Level, Not Well Depth
Compare pitcher and deep-well hand pumps, then check pumping water level, casing clearance, output, pressure, freeze protection and potable-water parts.

Hand Pump Well Pumps: Selection and Sizing Guide
Choose a hand pump well pump by pumping water level, total head, stroke output, casing clearance, freeze protection and sanitary well sealing.