Comparisons
Constant pressure system vs a standard pressure tank
Both keep water pressure in your house. They do it differently, and neither is right for every well.
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Standard tank setup
The pump runs at one speed. A pressure switch turns it on at a low setting and off at a high setting, and the tank supplies water between starts. Pressure rises and falls within that band. The parts are simple and familiar to any pump company.
Constant pressure setup
A controller changes pump speed to hold pressure steady while water runs. The tank is usually smaller. Showers feel steadier, and the pump can start more gently. The controller is electronics, which adds a part that can fail and may need surge protection.
Things that decide it
Your well yield, depth, pump and motor type, household demand, and how you feel about electronics in a dusty pump house. Median tested yields here run 10 to 18 gallons per minute, and many wells are hundreds of feet deep.[source] Ask how those fit your well.
Questions to ask
Can my current pump work with a controller? What happens if the controller fails? What tank size goes with it? What is the warranty on the controller?
Power and protection
Controllers are electronics, so ask about surge protection, especially if your area sees summer storms. Ask whether the controller is mounted somewhere dry and shaded, and what happens if it fails while you are away. A standard tank and switch system has fewer electronic parts, which some owners prefer.
Questions
Which lasts longer?
It depends on the parts and conditions. Ask the company about their experience.
Can I switch later?
Often, especially when a pump is replaced.
Is constant pressure quieter?
Some owners find it smoother. Ask for a demonstration if possible.
Related help
Want to talk it through?
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