Water pressure problems in Tampa, FL
Low Water Pressure Repair in Tampa
Whether the problem is one fixture or the whole house tells us almost everything. That single question narrows the cause from a dozen possibilities to two or three.
Start here
One fixture or the whole house?
This is the first question we ask, because the answer splits the diagnosis cleanly. If one tap is weak and everything else is fine, the problem is at that fixture, almost always an aerator or a cartridge packed with mineral deposit. That is a quick, inexpensive fix.
If pressure has dropped everywhere, the cause is upstream and more consequential: a failing pressure regulator, a partially closed main valve, corrosion narrowing galvanised supply pipe, or a leak in the service line between the meter and the house.
There is also a distinction worth understanding between pressure and flow. Pressure is force; flow is volume. A house can have adequate pressure but poor flow if the pipes have narrowed internally, which is exactly what happens to old galvanised steel. They feel like the same problem and they are not.
- Whole-house and single-fixture diagnosis
- Pressure regulator testing and replacement
- Aerator, cartridge and valve cleaning or replacement
- Supply line and corrosion assessment
Likely causes
What usually causes low pressure
Ordered roughly from cheapest to most involved.
Clogged aerator
The most common cause of weak flow at a single tap, and very common in hard water. Often solved in five minutes with vinegar.
Failing pressure regulator
The PRV where the supply enters the house controls pressure to the whole property. When it fails, pressure drops or fluctuates everywhere at once.
Partially closed main valve
Sounds obvious, and it is more common than you would think, particularly after recent work on the house. Worth ruling out first.
Corroded galvanised pipe
Galvanised steel closes up from the inside over decades. Pressure at the meter is fine, but what reaches the fixtures is not.
A leak in the supply
Water escaping before it reaches the house reduces what arrives. If the meter moves with everything shut off, that is the answer.
Water heater restriction
If pressure is fine on cold and poor on hot, the problem is the heater or its connections rather than the incoming supply.
Our process
How we diagnose it
Test rather than guess, because the causes look alike from the tap.
Establish the pattern
Hot side, cold side, or both. One fixture or all of them. Sudden or gradual. Each combination points at a different set of causes and rules others out immediately.
Measure at the source
We gauge the incoming pressure and check the regulator. That establishes whether the house is receiving proper pressure or whether the problem is upstream of everything.
Isolate and fix
From there it is a matter of working through the possibilities in order of likelihood, from aerators and cartridges to the regulator, the supply line and pipe condition. You get told what we found and what it takes to fix it.
Pressure and flow are not the same thing
Pressure is the force behind the water. Flow is how much of it arrives per minute. You can have perfectly normal pressure and still get a disappointing shower if the pipe feeding it has narrowed.
This is exactly what happens with old galvanised steel supply. Corrosion builds inward from the pipe wall until the internal diameter is a fraction of what it was. A gauge at the meter reads fine, because pressure is fine. What has been lost is capacity.
The practical consequence is that no amount of adjusting the regulator fixes it. If your home has galvanised supply and flow has been declining for years, the answer is repiping rather than pressure adjustment, and we will tell you that rather than selling you a regulator that will not help.
When pressure is too high
Excessive pressure is a real problem and less obvious than low pressure, because nothing feels wrong until something fails. Most residential systems are best served somewhere in the region of 50 to 70 psi.
Sustained high pressure stresses everything downstream: supply lines, valve seats, appliance inlets, water heater relief valves and the joints in your pipework. Banging pipes, taps that wear out quickly, repeated supply line failures and a relief valve that keeps discharging are all symptoms.
A pressure reducing valve solves it, and where a home does not have one or the existing one has failed, fitting or replacing it is a modest job that protects a great deal of more expensive equipment.
Related
Other services we provide
Drain Cleaning
Slow or standing drains cleared, and we find out why it happened so it does not come straight back.
Learn moreHydro Jetting
High-pressure jetting scours the pipe wall clean, clearing grease and roots a snake only punches through.
Learn moreSewer Camera Inspection
We send a camera down the line and show you the actual problem before anyone starts digging.
Learn moreSewer Line Repair
Collapsed, cracked or root-invaded sewer lines repaired or replaced, with the scope agreed up front.
Learn moreAnswers
Water pressure questions
Diagnosis, causes, regulators and when repiping is the answer.
Why is my water pressure suddenly low everywhere?
Only one tap is weak. What is that?
What should my water pressure be?
Can you fix low pressure caused by old pipes?
Is high water pressure actually a problem?
Book a pressure diagnosis
Tell us whether it is one fixture or the whole house, hot or cold, and whether it happened suddenly or gradually.
Sat by appointment · Sun emergencies