Licensed, Bonded & Insured · CSLB #1075061 ★★★★★ 4.9 from 365 reviews Orange County · Since 2014
Free estimates, no travel fees (909) 577-5274
Orange County · Serving Since 2014

Pool Plumbing Repair & Pipe Rerouting

Replacement of failing copper lines, pipe rerouting, equipment pad re-piping, valve replacement and old skimmer lines — for pools across Orange County.

Since 2014Orange County pool experts
★★★★★ 4.9Yelp & Google · 365+ reviews
Licensed & InsuredCA pool contractor
BBB AccreditedA+ Rating
Overview

Pool Plumbing Repair in Orange County

Most of a pool's plumbing is buried, so problems show up indirectly — through water loss, air in the system, or a pressure reading that has moved.

Water leaves the pool through the skimmer and main drain, travels underground to the equipment pad, passes through the pump, filter and heater, and returns through the return lines. Nearly all of that run sits below the deck or the yard.

Because the pipe itself is out of sight, the first job on any plumbing call is diagnosis: establishing whether water is being lost through a line, a fitting, a seal at the pad, the pool shell, or simply evaporation. Those are different repairs with very different scopes, and only some of them involve excavation.

We diagnose first and quote second. If the cause turns out not to be the plumbing, that is what the estimate will say.

  • Copper line replacement — the most common reason we re-plumb a pool
  • Suction and return line repair, including buried runs
  • Pipe rerouting where a run is failing or inaccessible
  • Equipment pad re-piping and valve replacement
  • Skimmer and main drain lines, alongside skimmer replacement
Most Common Cause

Copper Lines and Old Skimmers

Two causes account for the majority of the plumbing we replace on Orange County pools.

Copper is the single most common reason we replace pool plumbing. A great many older pools in this area were plumbed in copper, and copper does not age well in this application. Over decades it corrodes from the inside, thins, and eventually develops pinhole leaks. Aggressive or poorly balanced water accelerates it, and once one pinhole appears in a run, others in the same line usually follow.

That is why copper is normally replaced rather than patched. Repairing a single pinhole leaves the rest of the run in the same condition it was in the day before, so the sensible fix is to abandon the copper and re-run the line in modern PVC.

Old skimmers are the second common cause. Skimmers crack with age, and the throat and the line connection beneath them are frequent failure points. Because a skimmer sits at the edge of the pool with the deck poured around it, replacing one usually means opening a section of decking, which is why skimmer work and plumbing work are so often quoted together.

More on skimmer repair & replacement →

New PVC pool plumbing lines run in open trenches during a Fullerton pool remodel by ACE Pool Repair & Remodel
New PVC lines run during a Fullerton remodel, before the deck went back down.
Symptoms

Signs of a Line Problem

No single symptom confirms a plumbing fault. Several together indicate one.

Consistent water loss

More than roughly a quarter inch a day, sustained, and not explained by a heat wave. Faster loss with the pump running suggests the pressure side; faster with it off suggests the suction side.

Wet ground near the pool

Soft soil, grass that stays green in one patch, or damp at the deck edge. Water travels along the path of least resistance, so the wet area is not always directly above the failure.

Air in the system

Bubbles at the returns, air collecting in the pump basket, or a pump that will not hold prime. This generally indicates air being drawn in on the suction side.

A change in filter pressure

A gauge reading consistently higher or lower than its normal range, with no other cause. Both restriction and loss register here early.

Timing

Two Situations Where Re-plumbing Makes Sense

Plumbing work is usually prompted by one of two things: a confirmed leak, or a deck that is already coming out.

Leak detection has found a leak

If a leak has been located in a line and it needs repair, that is the point to decide between repairing the failure and replacing the run. On copper in particular, replacement is normally the better value, because the rest of the line is the same age and condition as the section that failed.

Where the line is accessible, a targeted repair may be all that is needed. Where it is not, rerouting is usually the more economical route.

A new deck is going in

Pool plumbing runs beneath the deck. If the decking is being replaced as part of a remodel, the lines are exposed and accessible, and re-plumbing at that stage avoids saw-cutting and patching finished concrete later.

This does not make the plumbing itself less expensive. It is a question of sequencing: the same work costs less to reach when the ground is already open, and it removes the risk of a future repair cutting into a new deck.

See how a full remodel is sequenced →

Rerouting

Repair or Reroute

Not every failed line is worth chasing to its failure point.

A buried line that has failed once in an accessible location can often be repaired directly. A line that has failed more than once, runs beneath finished concrete, or would require significant demolition to reach is usually better abandoned and replaced.

Rerouting means exactly that: the old pipe is capped and left in place, and a new line is run on a route that can be accessed. On copper systems this is the standard approach, since the remaining copper is the same age as the section that failed.

The same reasoning applies at the equipment pad. Pads that have been modified over many years — a heater added, an automation valve fitted, a pump replaced by another contractor — accumulate fittings, and every fitting is a potential leak point. Re-piping the pad is frequently faster and more durable than isolating one failing joint among dozens.

  • New PVC run on an accessible route, old line capped in place
  • Equipment pad re-piping, consolidating years of piecemeal additions
  • Valve replacement for reliable pool and spa mode switching
New plumbing trenches and a Jandy equipment box beside the pool during a Tustin pool remodel by ACE Pool Repair & Remodel
Tustin — open trenches and a new Jandy equipment box during the plumbing stage of a remodel.
The Equipment Pad

Plumbing and Equipment Overlap

A large share of plumbing calls resolve to a component at the pad rather than a buried line.

Pumps

A leak at the pump housing presents much like a buried line leak, but is a considerably smaller repair. It is one of the first things we rule out.

Pool pumps →

Filters

Filter pressure is the primary indicator that something in the plumbing has changed, so filter and line diagnosis are carried out together.

Pool filters →

Heaters & automation

Installing either typically requires new plumbing and revised valving at the pad, along with the associated gas and electrical work.

Pool heaters →

See all pool equipment services →

Our Process

How a Plumbing Job Runs

Diagnosis, written estimate, then the work.

Describe the symptoms

Rate of water loss, wet areas, air in the pump basket, and anything that changed recently. Photographs of the equipment pad are useful at this stage.

On-site diagnosis

Establishing whether the cause is a line, a fitting, the equipment pad, the shell, or evaporation. Next-day visits are common.

Itemized estimate

Written, with the scope and reasoning set out. If the cause is not the plumbing, the estimate says so.

Repair or reroute

A targeted repair where the line is accessible, or a new PVC run where the existing route is failing or unreachable.

Pressure testing

New work is tested before anything is backfilled or poured over.

Restoration

Trenches backfilled, concrete and decking restored, equipment pad left tidy.

Reviews

What Our Repair Clients Say

★★★★★

“Recently they came out and correctly diagnosed a leak in my filter pump. Alec and Albert are very honest, responsive, and they do excellent work, at reasonable prices.”

LY
Len Y.
Yelp review
★★★★★

“My pump started to leak at the housing and needed to be repaired fast… What surprised me was how detailed the quote was. Alec came by ahead of schedule.”

HV
H V.
Yelp review
★★★★★

“This is the 3rd time we received service from Ace… Previous had my skimmer leak detected and replaced. Big projects. Concrete pour and all.”

KP
Kevin P.
Yelp review
FAQ

Pool Plumbing FAQ

Why is copper pool plumbing replaced rather than repaired?
Copper is the most common reason we replace pool plumbing. Many older Orange County pools were plumbed in copper, and over decades it corrodes internally and develops pinhole leaks, a process accelerated by aggressive or poorly balanced water. Once one pinhole appears, the remainder of that run is the same age and in the same condition, so repairing a single point tends to be followed by another failure nearby. Replacing the run in modern PVC is normally the better value.
My pool is losing water. Is that always a plumbing leak?
No. Evaporation alone can move the level noticeably during an Orange County summer, particularly on a pool running water features. Beyond that, the cause may be a fitting, a seal at the equipment pad, the shell, or a line. These are different repairs with different scopes, so the cause is established before any work is quoted.
What is pipe rerouting, and when is it used instead of a repair?
Rerouting means capping a failing buried line in place and running a new line on an accessible route. It is used when the existing run sits beneath finished concrete, has failed more than once, or would require more demolition to reach than the replacement would cost. It is the standard approach on copper systems.
Do old skimmers cause plumbing problems?
They are one of the two most common causes we see. Skimmers crack with age, and the throat and the line connection beneath are frequent failure points. Because the deck is poured around the skimmer, replacement generally involves opening a section of decking, which is why skimmer and plumbing work are often quoted as one scope.
Will the deck have to be broken up?
Sometimes, as the lines run beneath it. Where a line can be rerouted around a slab rather than through it, that is the preferred approach. Where concrete does have to be removed, restoration is included in the scope of work. If a deck replacement is already planned, carrying out the plumbing at that stage avoids the issue.
Is plumbing work less expensive during a remodel?
The plumbing itself costs the same. What changes is access: the ground is already open, the deck is already out, and no finished surface has to be cut into and restored. It is a sequencing advantage rather than a discount, and it also removes the risk of a later repair cutting into new decking.
Air is coming from the returns. What does that indicate?
Generally that air is being drawn in on the suction side, between the pool and the pump. Common sources are the pump lid o-ring, the drain plugs, a valve, or the suction line itself. It is worth addressing promptly, as running a pump with air in the system shortens its life.
How quickly can someone come out?
Next-day service calls are common. We schedule during normal working hours and do not offer after-hours or emergency service.

Losing Water and Not Sure Why?

Tell us what you are seeing and we will work out what it actually is. Sometimes the answer is that you do not have a plumbing problem.