Hayward Dyna-Skim Above-Ground Pool Skimmer

A well‑designed skimmer is the frontline in keeping your above‑ground pool free of leaves, insects and surface debris - extending the life of your pump and filter while reducing maintenance. Hayward’s SP1091LX Dyna‑Skim™ brings decades of proven performance to your backyard setup, combining rugged materials with user‑friendly features that make installation and upkeep a breeze.

Key Features & Specifications:

• One‑Piece ABS Body

  Molded from heavy‑duty, UV‑resistant ABS, the unibody construction eliminates submerged joints and greatly reduces leak points—so you get years of trouble‑free service without corrosion concerns.

  
  

• Patented Dyna‑Skim™ Weir

  A contoured, snap‑in weir door automatically adjusts to changing water levels, maximizing surface suction to catch debris before it sinks.

  
  

• Dual‑Access Debris Basket

  Top‑ and front‑loading access (opening roughly 5 ⅞″ W × 5 ½″ H) lets you clear leaves, bugs, and other debris quickly—no tools or disassembly required.

  
  

• Vac‑Plate & Skim‑Vac™ Adapter

  Converts the skimmer throat into a vacuum port so you can hook up a garden‑hose‑powered Skim‑Vac™ and deep‑clean your liner and floor without toggling the pump on and off.

  
  

• Adjustable “Eyeball” Return Jet

  Includes a 1½″ female return fitting with an adjustable nozzle to direct flow, eliminate dead spots, and evenly distribute heat and chemicals.

  
  

• Corrosion‑Proof Hardware

  All mounting screws, face‑plate bolts, and hose adapters (1¼″–1½″) are stainless steel—built to withstand seasonal setups and years of use.

  
  

• Pool Compatibility

  Fits most above‑ground “wide‑top” pools and replaces legacy SP1090, SP1091ES, and SP1095ES models without extra plumbing parts.

  
  

What’s in the Box?

1. Skimmer Body & Face‑Plate (white UV‑resistant ABS)

2. Dual‑Access Debris Basket & Weir Door

3. Vac‑Plate & Skim‑Vac™ Adapter

4. Adjustable Recirculation Jet (“Eyeball”) Assembly

5. Wall Fitting with Butterfly Gasket (SP1023)

6. Two Hose Adapters (1.5″ × 1.25″)

7. Full‑Color Installation Manual

   
   

No additional fittings or aftermarket parts are required—everything you need for a leak‑free install is included.

Installation Overview:

1. Cut‑Out Preparation

   Mark and cut a 5 7/8″ W × 5 ½″ H opening in your pool wall and liner, centered between supports.

   
   

2. Wall Fitting & Gasket

   From outside, press the SP1023 face‑plate and gasket into the cut‑out; secure with supplied stainless bolts.

   
   

3. Skimmer Body Attachment

   Slide the main skimmer body into the wall fitting, then tighten clamp bolts evenly until watertight.

   
   

4. Return Jet & Vac‑Plate

   Screw in the adjustable return fitting; snap in the vac‑plate if you plan to use the Skim‑Vac™ adapter.

   
   

5. Hose Hook‑Up

   Attach 1½″ hoses to your pump/filter and the skimmer’s suction/return ports—prime and fire up your system.

   
   

Most homeowners complete these steps in under an hour with basic tools and the clear, illustrated guide provided.

Operation & Maintenance:

• Automatic Skimming: The Dyna‑Skim weir door follows water level; no manual tweaking required.

• Basket Cleaning: Empty the debris basket weekly (or more often under heavy leaf load) to maintain peak flow.

• Vacuuming: Snap on the vac‑plate, attach your Skim‑Vac™, and pull stubborn debris into the basket—no pump cycling needed.

• Winterizing: Drain all water from the skimmer body and vac‑plate; store weir and gaskets indoors to prevent cracking.

  
  

Routine care keeps your pump running cooler, conserves filter media life, and ensures crystal‑clear water season after season.

Pros & Cons:

Pros	Cons
Virtually indestructible, non‑corrosive ABS construction	Precise wall/liner cut‑out required for leak‑free fit
Automatic, self‑adjusting weir maximizes surface cleaning	Basket access can be tight under a raised deck
Integrated vacuum‑plate for quick deep‑cleans	No built‑in flow control—rely on pump timer or valve
All stainless‑steel hardware for seasonal durability	Replacement weir and gaskets sold separately if lost

Who Should Choose the Hayward Skimmer?

• Above‑Ground Pool Owners looking for an all‑in‑one surface‑skimming and vacuum solution.

• DIY Installers comfortable with basic wall cut‑outs and standard plumbing tools.

• Tree‑Lined Yards where frequent leaf and pollen removal is critical.

• Seasonal Users who dismantle and store equipment each winter—ABS and stainless hardware stand up to repeated assembly.

  
  

Final Thoughts

If you want a professional‑grade skimmer that’s easy to install, built to last, and designed to simplify both daily skimming and deep cleaning, the Hayward SP1091LX Dyna‑Skim™ delivers. With its patented weir, dual‑access basket, vac‑plate adapter, and rugged ABS body, it’s the ultimate upgrade for any above‑ground pool!

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