Pool Owner’s Guide · Your Equipment

Your Pool Equipment Pad, Explained

Somewhere beside the house or behind a fence sits a cluster of pipes and machines that keeps your pool alive. Here’s what each piece does, and the path your water takes through them.

pumpfilterheatersalt cellout of the pool → and back again
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The Basics

The Path Your Water Takes

Every pool runs on a loop. Water is drawn out, cleaned, warmed if you like, treated, and sent back, many times a day. The equipment pad is where all of that happens, and the order of the pieces is the same on almost every pool:

  1. Out through the skimmer and main drain. The skimmer draws from the surface; the main drain draws from the deep end.
  2. Into the pump. A strainer basket at the front catches leaves before they reach the motor.
  3. Through the filter. Fine particles are caught here, which is what turns clean water into clear water.
  4. Through the heater, if the pool or spa has one.
  5. Past the chlorinator or salt cell. Chlorine is added last, so the heater only ever sees balanced water.
  6. Back through the return jets, keeping the whole pool gently moving.
Meet the Equipment

What Each Piece Does

The pump

The heart of the system. A motor spins an impeller that pulls water from the pool and pushes it through everything else. Variable-speed pumps do the same work at lower, quieter speeds.

The filter

One of three kinds: cartridge, sand or DE. Each catches particles differently, and the pressure gauge on top tells you how full it is getting.

The heater

Usually a gas heater for quick warmth or a heat pump for steady, efficient warmth. Spas lean on it most in the cooler months.

Salt cell or chlorinator

A salt cell makes chlorine from dissolved salt; a tablet chlorinator slowly dissolves chlorine tablets into the passing water.

The valves

Two- and three-way valves steer the water: pool or spa, skimmer or drain, waterfall on or off. Many are now turned by small motors instead of by hand.

Controls and automation

From a simple time clock to a full automation system, this is the brain that decides when everything runs, often from a panel or a phone.

Getting to Know Yours

What Normal Looks Like

  • A steady hum. A healthy pump has a smooth, even sound. You’ll come to know your pool’s particular voice.
  • A full pump basket lid. Through the clear lid you should see water, not a lot of air.
  • A familiar pressure reading. Note the filter gauge after a cleaning; that number is your baseline. When it climbs about 8 – 10 psi above it, the filter is ready for a cleaning.
  • Dry pipes and fittings. A dry equipment pad is a happy one.
  • Clear space around it. Equipment likes air to breathe, especially heaters, so leaves and stored items are best kept a little way back.
From our routes: weekly service centers on your water and keeping the pool clean. If something catches our eye during a visit, we’ll let you know. And if you notice something first, a sound, a drip or a spa that won’t warm, just give us a call and we’ll set up a visit to take a look.
Keep Reading

Equipment Services and Guides

From Spectrum Pool Care, a family-owned company serving the San Fernando Valley, Westside, Santa Monica and Malibu since 1999.

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