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Pool equipment, explained

Pool Parts and Equipment, Explained Before You Buy

EvenParts helps pool owners figure out what's wrong, what size to buy, and when to call a pro, using the manufacturers' own manuals and the official rules, with every source linked.

What EvenParts Is

A plain-English guide site for pool pumps, salt systems, heaters, controllers and robotic cleaners. We don't sell anything: there's no store, no cart and no inventory. Links go out to retailers.

Sourced, not guessed

Specs, dates and limits come from manufacturer manuals and official pages, linked next to each claim. If we couldn't source something, we leave it out.

Diagnose, size, then shop

Check the cheap, simple causes first, work out the size you actually need, and only then look for parts that match your exact model.

Honest about limits

Gas, wiring and strong chemicals can hurt you. Every guide says what's safe to do yourself and when to call a licensed pro.

Start Here

Four guides that answer the questions owners ask most when equipment fails.

Pumps

Do I Have to Switch to a Variable-Speed Pool Pump?

What the federal motor rule says (and doesn't say), the compliance dates, and what we haven't researched.

Pumps

How to Size a Replacement Pool Pump

The flow math, pipe-size limits from Hayward's technical guide, and matching a real pump's flow range.

Salt Systems

How a Salt Chlorine Generator Works

What the cell does, why it stops making chlorine, and what to check before you replace it.

Heaters

Pool Heater Sizing Basics

Surface-area sizing from Hayward and Pentair, and why your gas line limits the replacement.

New Guides

Just added:

A safety note before you start

  • Electrical: turn off the breaker before working on pool equipment and confirm nothing is running. Wiring, GFCI and bonding are for a licensed electrician.
  • Gas heaters: installation and service belong to a qualified gas / pool-heater professional. If you smell gas, follow your heater manual's emergency steps and call your gas supplier.
  • Chemicals: follow the manufacturer's steps exactly, wear gloves and eye protection, always add acid to water, and never mix chemicals.

Read our full When to Call a Pro page →

Not Sure Which Part Fits?

Email us the brand and model number from your equipment's rating plate. We'll point you to the manufacturer's information when we can, and we'll tell you when we can't.