Everyday filtration / circulation
Often suited to deliberately longer, lower-speed operation. The target still must support circulation, turnover goals and connected treatment equipment.
Guide · Pool Equipment
Pool equipment is a system — not a horsepower shopping list.
A pump or filter can technically run and still leave too little capacity for the way the pool is meant to operate. AE does not undersize equipment to make a bid look lower, and we do not blindly oversize it. We size each operating mode against the complete hydraulic system, use efficient variable-speed operation where appropriate, and give the filter enough area for the design flow and practical cleaning intervals.
The honest version: Compare the operating points, not just the horsepower labels. A defensible equipment plan identifies what must run together, calculates or measures system resistance, checks every connected component's flow limits, and documents the speeds or flows used at startup. Current manufacturer documentation, the approved design and the authority having jurisdiction control the actual project.
- AZ ROC 211530 · 347738 · 341002 · 340966
- Arizona-built since 2005
- President, Southwest Hardscapes Association
Last reviewed: September 12, 2026
01
Equipment is one hydraulic system
A pump does not deliver its label's maximum flow in every pool. Water moving through pipe, fittings, valves, elevation changes, filters, heaters, sanitizers, cleaners and features creates resistance. The selected operating point is where that complete system resistance intersects the pump's performance curve.
- Design flow
- The flow the system needs for a defined operating mode—not one assumed number for the entire pool.
- Total dynamic head (TDH)
- A practical expression of the complete system resistance the pump must overcome at a given flow.
- Pump performance curve
- The manufacturer's chart showing the flow a pump can deliver at different head conditions and speeds.
- Operating point
- The actual flow and head where the pump curve and the system curve meet.
- Weighted energy factor (WEF)
- A federal efficiency metric for covered dedicated-purpose pool pumps. Applicability depends on pump class and rated hydraulic horsepower under 10 CFR 431.465(f); it is not an Arizona-only rule or a statement that every single-speed product is banned.
02
Four operating modes to size separately
Spa jets
Usually a different high-flow condition shaped by jet count, jet design, loop layout, air induction and which equipment operates with the spa.
Water features
Sheers, scuppers, bubblers and other features need their own visual and hydraulic targets, plus a clear statement of which features can run together.
Heater, sanitizer and cleaner flow windows
Each listed device can have minimum, maximum or preferred flow conditions. In-floor and pressure cleaners can create another distinct operating point.
The same pool volume can therefore produce very different equipment requirements. A longer low-speed filtration schedule can be efficient when deliberately designed; the pump still must meet every required high-flow operating point at actual system head.
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03
Pump selection
Start with pool and spa volume, the desired operating schedules, pipe diameter, developed run length, fittings and valves, elevation, suction and return layout, water features, heaters, chlorinators, in-floor or pressure cleaners, and every applicable manufacturer flow window. Then check suction-outlet and other equipment maximums, the pump curve, serviceability and automation compatibility. Bigger horsepower is not automatically better: excess flow can waste energy, increase velocity or exceed another component's limit. A pump is undersized when it cannot meet required design flow at actual head. A variable-speed pump should be commissioned with documented speeds and, where supported, flows for the project's operating modes—not left at an arbitrary default. There is no reliable universal gallons-to-horsepower chart.
04
Filter sizing
Cartridge, diatomaceous earth (DE) and sand filters each involve different filtration, cleaning, water-use, handling and service tradeoffs. Compare the exact model's rated flow, filtration area, maximum flow, pressure limits and required cleaning access against the actual system. When the manufacturer supports the selected flow, larger filter area can provide more dirt capacity and lengthen practical time between cleanings. It still must be matched to the plumbing, pump operating points and the whole system. A Pentair Clean & Clear Plus or any other product-specific model table is manufacturer data for that product—not a universal code table or proof that one filter type is best for every pool.
05
Equipment-pad location
The answer to ‘How close should equipment be?’ is the closest practical compliant location—not simply as close as possible. Shorter, direct plumbing can reduce hydraulic loss, while real projects must also account for service clearance, drainage and flooding, noise, screening, ventilation and exhaust, gas and electrical routing, property and jurisdiction requirements, current manufacturer instructions, future replacement access, and safe pressure-relief and service space. Shade can reduce direct solar exposure when it preserves required ventilation, exhaust and service clearances, but it does not guarantee a longer equipment life.
06
Heater decision and sizing
Gas heaters, heat pumps and hybrid arrangements serve different operating goals. Size the decision from pool or spa water volume, desired temperature rise, required recovery time, intended season, ambient conditions, wind and exposure, cover use, available gas supply and meter capacity or electrical capacity, the required water-flow window, venting and clearance requirements, and the selected manufacturer's performance data. Gas can suit faster recovery and intermittent spa use when the utility and installation support it. A heat pump can suit planned, sustained heating when weather and available electrical service support its performance. No universal heater input, hourly cost, efficiency multiple or temperature cutoff replaces a project-specific calculation.
07
Sanitizing and salt
A saltwater chlorine generator still produces chlorine. It can automate part of chlorine delivery, while manually or automatically dosed liquid chlorine may suit other ownership preferences and material conditions. Use the exact cell or generator model's verified chlorine output and capacity, expected pool demand, water conditions and planned runtime—not only a marketing ‘up to’ pool-size label. Pentair IntelliChlor, Jandy AquaPure or TruClear, and Hayward AquaRite are examples to compare, not a universal ranking. Every approach needs disciplined testing and water balance, plus a compatibility review for natural stone, metals, equipment and finishes without assuming that one sanitizer is always safe or always harmful.
08
Automation with a manual fallback
A simple pool with few functions may not need a full automation center. Automation becomes more useful when a project coordinates multiple pump modes, valve actuators, spa functions, heaters, sanitizers, lights or water features. Compare Pentair IntelliCenter, Jandy iAquaLink and Hayward Omni systems by ecosystem compatibility, available relays and circuits, actuator support, heater and sanitizer integration, connectivity, local controls, software support, expansion capacity and service access. Commissioning should document schedules, interlocks and a local/manual fallback so essential operation does not depend only on a phone app. Automation can improve control; it does not guarantee a universal utility saving.
09
Pool covers
Covers can reduce evaporation and heat loss, limit debris and support different operating goals, but the tradeoffs include handling, storage, cleaning, drainage, deck integration and how the pool is used. Solar, manual and automatic covers are different products with different purposes. A cover is not automatically accepted as the required pool barrier: barrier acceptance is product- and jurisdiction-specific and must be confirmed through the approved project requirements. No cover eliminates the need for active adult supervision; designate an undistracted adult Water Watcher whenever children are in or near water.
10
Service life and repair decisions
Equipment life is condition-dependent. Installation quality, water balance, runtime and heat, ventilation, weather exposure, electrical quality, maintenance, parts availability, warranty terms and ecosystem interoperability all affect the result. Properly designed shade can reduce direct exposure while keeping ventilation and clearances intact, but it should not be sold as a promise of extra years.
Questions to ask before repairing or replacing
- What failed, and is the diagnosis supported by testing rather than age alone?
- Are the heat exchanger, housing, motor, wiring, seals and controls otherwise sound?
- Are supported parts available, and what warranty applies to the repair or replacement?
- Will the component meet every required operating point and communicate with the existing controls?
- Does the pad layout permit a safe, serviceable repair, or is replumbing justified?
- Are repeated faults, corrosion, leaks, noise, overheating, damaged insulation or obsolete controls changing the risk?
11
What a complete proposal should show
Use this checklist to compare bids on the system each contractor is actually proposing—not just the front-page total.
- Manufacturer and exact model numbers
- Hydraulic assumptions, design flow by mode and TDH / operating-point method
- Pipe sizes and valve / function layout
- Pump WEF where applicable, pump curve and intended commissioned speeds / flows
- Filter type, area, rated and maximum flow, and cleaning access
- Heater input / output or capacity, utility requirements, desired recovery basis and installation clearances
- Sanitizer model, verified output / capacity assumptions and compatible chemistry plan
- Automation panel, relays / circuits, actuators, integrations, spare capacity and local fallback
- Equipment-pad layout, service clearances, drainage, noise and venting
- Warranty, registration, startup, owner training, documentation and local service / parts plan
FAQ
Common questions.
A pump is properly selected when its performance curve shows that it can deliver each required design flow at the complete system's actual total dynamic head, while staying within the limits of the plumbing, suction outlets, filter, heater, sanitizer, cleaner and water features. Bigger horsepower is not automatically better, and a pump is undersized when it cannot meet a required operating point. Ask for the hydraulic assumptions, pump curve and intended commissioned speeds or flows in writing rather than relying on a gallons-to-horsepower shortcut.
Do not treat that as a blanket Arizona rule. Federal dedicated-purpose pool-pump standards use weighted energy factor and apply by covered pump class and rated hydraulic horsepower under 10 CFR 431.465(f). That is not the same as saying every single-speed product is illegal. For a specific project, confirm the current federal requirements, adopted local requirements, approved design and listed equipment. Variable-speed operation is often useful because different pool modes can be commissioned at different speeds instead of forcing one speed to do every job.
Filter area matters, but larger is not a substitute for system design. When the manufacturer supports the selected flow, more filtration area can provide more dirt capacity and longer practical intervals between cleanings. The filter still must be checked against actual design flow, its rated and maximum flow, plumbing limits, available cleaning access and the rest of the equipment. Compare cartridge, DE and sand filters by the exact model and the owner's maintenance priorities rather than declaring one type universally best.
Use the closest practical compliant location, not simply the closest possible location. Shorter, well-planned plumbing can reduce hydraulic loss, but the pad also needs manufacturer-required service space, safe pressure-relief access, drainage and flood protection, noise planning, ventilation or exhaust clearances, practical gas and electrical routing, screening that does not trap heat, and room to replace equipment later. The approved design, current manufacturer instructions, property constraints and authority having jurisdiction control the final location.
Neither is universally better. Gas equipment can suit faster recovery and spa use when the available gas service and venting support the selected heater. A heat pump can suit planned, sustained heating when ambient conditions, electrical capacity and manufacturer performance data support it, but recovery changes with weather and exposure. Size either option from water volume, desired temperature rise, recovery time, season, wind, cover use, required water-flow window and available utilities. Hybrid systems can serve projects with distinct pool and spa goals.
A salt system still makes chlorine; it generates chlorine from salt in the water. It can make routine dosing more consistent, while manual or automated liquid-chlorine dosing may fit other maintenance preferences and material conditions. Select a salt cell or generator from the exact model's verified chlorine output, expected pool demand, water conditions and planned pump schedule—not only an ‘up to’ pool-size label. Both approaches require disciplined water balance and a compatibility review for stone, metals and connected equipment.
Not every simple pool needs one. Automation becomes more valuable as a project adds multiple pump modes, valves, spa functions, heaters, sanitizers, lighting or water features. Compare ecosystem compatibility, valve actuators, relays and circuits, integrations, connectivity, software support, expansion capacity and local manual fallback. Pentair IntelliCenter, Jandy iAquaLink and Hayward Omni products are examples to evaluate—not proof that one ecosystem is universally best. Commissioning and owner training matter as much as the app.
Start with the failed component's condition, diagnostic findings, parts availability, warranty, repair quality and compatibility with the remaining system. Then ask whether another component constrains the required flow, controls or utility capacity; whether a replacement will communicate with the existing automation; and whether the pad can be replumbed without creating service problems. Replace a coordinated set when the evidence supports it, not because bundling always saves money. Repair can be sensible when the surrounding system remains serviceable and compatible.
Plan the site, not just the pool
Arizona Pool Site Planning Series
These are six separate checks, not one universal pass/fail number. Each one is answered by a different authority, professional scope or document, and a clear answer on one does not settle the others. Work through the decision you are actually facing.
01
Feasibility and buildable area
Whether a pool fits the usable area left after property lines, setbacks, easements, access and equipment placement are accounted for.
02
Permits, HOA and barrier path
Which authority actually reviews the parcel, whether a private community review also applies, and how the barrier path is documented.
03
Arizona 811 and private utility locating
What the statewide notification process marks, what it may not mark, and what still has to be located before excavation.
04
Survey, soils and engineering
Which professional scopes this specific address actually triggers — and what each one does and does not prove.
05
Grade and drainage
Where site water goes before, during and after construction, and which drainage approach the grade and outlet allow.
06 · You are here
Equipment and service planning
How the equipment pad, utilities, hydraulics and long-term service access are planned around the finished pool.
Compare and plan
Continue with the right next step.
Compare equipment options
Review practical category and ecosystem tradeoffs before selecting exact models.
Pentair, Jandy and Hayward
Understand what to compare across the major equipment ecosystems.
Repair or replace equipment
Plan an existing-pad evaluation around condition, compatibility and serviceability.
Source transparency
Sources and manufacturer references
These references support the definitions and selection framework above. Manufacturer examples are illustrative, not universal endorsement evidence. Use the current document for the exact listed model; current manufacturer documentation, the approved design and the authority having jurisdiction control the project.
- U.S. Department of Energy — Dedicated-Purpose Pool Pumps
- Electronic Code of Federal Regulations — 10 CFR 431.465
- Pentair — Pool Pump Information Guide
- Pentair — IntelliFlo3 VSF Installation Guide
- Pentair — Clean & Clear Plus Cartridge Filters
- Pentair — IntelliChlor Installation and User's Guide
- Pentair — MasterTemp Installation and User's Guide
- Pentair — UltraTemp Installation and User's Guide
Want equipment sized for the way your pool will run?
Share the pool and spa layout, features, intended schedules, available utilities and any existing equipment. AE can develop a coordinated equipment plan and identify the assumptions that belong in the written scope.
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Why this is an investment, not a cost.
An AE backyard is engineered to add daily livability and long-term home value. We publish honest ranges and build to code with a licensed and bonded Arizona crew. AE provides project-specific workmanship and manufacturer-warranty information in the signed agreement. Website summaries are for planning only.
- Licensed, bonded & insured in Arizona. ROC 340966 (R-62) · ROC 341002 (R-3) · ROC 347738 (KA-5) · ROC 211530 (CR-21). Most Arizona contracting work valued at $1,000 or more — or requiring a permit — must be performed by a properly licensed contractor, subject to statutory exemptions. Verify the legal entity, license status, and classification with the Arizona Registrar of Contractors.
- Real ranges, itemized scope. You see materials, finishes, equipment models, and a line-item budget before you sign — not a one-line "pool — $90,000."
Next step
Plan your investment with a designer.
Five minutes, a real range, and no sales pressure. Or vet any Arizona contractor (us included) before you spend a dollar.
Pentair Pool App
Control your Pentair pool equipment from your phone
If we installed Pentair equipment on your pool (IntelliFlo3, IntelliCenter, IntelliChlor, MasterTemp, UltraTemp), the free Pentair Pool app lets you run schedules, change pump speed, toggle heater and lights, and get alerts — from anywhere.
Only useful if your equipment is Pentair. Other brands have their own apps — ask your AE project lead.
Jandy iAquaLink
Control your Jandy pool equipment with iAquaLink
If we installed Jandy equipment (VS FloPro pumps, AquaLink RS/PDA controllers, TruClear salt systems, JXi heater), the free iAquaLink app lets you adjust pump speed, run schedules, fire up the heater, and switch lights — from anywhere.
Requires a Jandy iAquaLink-compatible controller. Ask your AE project lead if you're not sure.
Utility apps — APS & SRP
Run your pool pump on off-peak hours — and watch the savings
Arizona time-of-use rate plans can cut your pool pump's electric bill in half if you run it during off-peak windows. Your utility's app shows your current plan, on/off-peak hours, and live usage so you can match your pump schedule to the cheapest hours.
Pick the one that matches your provider. Both apps are free.
Related equipment system
Pentair A&A In-Floor Cleaning Systems
How an in-floor system changes hydraulics, equipment selection and operating modes.