Guides & cross-reference notes
How these parts actually fail, and what replaces them.
Fitment guides, cross-reference charts and repair notes for Hayward, Pentair, Jandy, Sta-Rite and Zodiac equipment — written by the people who mould the parts, not by a copywriter.
- 01 · Worn lid O-ringCause: Dry run · Result: Leak
- 02 · Cracked lidCause: Over-tightening · Result: Cracks / leaks
- 03 · Impeller wearCause: Cavitation · Result: Low flow
- 60Technical guides
- 29Repair & service
- 31Sourcing & trade
- FactoryWritten by makers
60 guides
August 7, 2026 · Repair & service · 6 min read
Hayward Star-Clear Plus Maintenance: Knobs, Air Relief and Cartridge Care
The three failure points techs actually see on Star-Clear Plus filters — cracked locking knobs, clogged air relief tubes, and tired cartridges — and how to service each one.
August 6, 2026 · Repair & service · 6 min read
Hayward Perflex DE Filter: How the Bump Mechanism Works and How to Rebuild It
Why Perflex DE filters regenerate without backwashing, how the diaphragm gasket and bump shaft wear out, and how to rebuild the bump assembly with aftermarket kits.
August 6, 2026 · Repair & service · 6 min read
Multiport Valve Troubleshooting: Spider Gaskets, Diverters and Backwash-Line Leaks
Water down the backwash line, leaks between positions, a handle that fights back — the three classic multiport valve failures, and whether a spider gasket kit or a diverter kit fixes each.
August 5, 2026 · Repair & service · 5 min read
Jandy Valve Rebuild Kit Guide: Renewing 2-Port and 3-Port Diverter Valves
Stiff handles, spa water bleeding into the pool, weeping covers — worn diverter internals cause all three. What a Jandy valve rebuild kit includes and how to install it step by step.
August 5, 2026 · Repair & service · 6 min read
Jandy Check Valve Replacement: Fix a Failed Flapper Without Cutting Pipe
Spa draining down overnight or a flooded pad after shutdown usually means a worn check valve flapper. How Jandy swing check valves fail and how to replace the cover and flapper in place.
August 4, 2026 · Repair & service · 6 min read
Pentair SuperFlo Wet-End Rebuild: Parts Set, Seal Refresh and Reassembly Order
When a SuperFlo leaks or loses prime, the motor is usually fine — the wet end is worn. What a rebuild parts set covers, what to inspect, and the reassembly order that prevents callbacks.
August 4, 2026 · Repair & service · 6 min read
Pentair WhisperFlo Impeller Replacement: Symptoms, Teardown and Swap Procedure
Low flow with a low filter gauge usually means impeller trouble. Here is how to confirm it, open a WhisperFlo safely, and swap the impeller without breaking the clamp ring.
August 3, 2026 · Repair & service · 5 min read
Hayward TriStar Pump Rebuild: What's in a Wet-End Bundle and How to Use It
A practical TriStar rebuild guide: what the two wet-end bundles cover, a pre-order inspection checklist, and the assembly habits that keep a rebuilt pump sealed.
August 3, 2026 · Repair & service · 2 min read
Pool Pump Shaft Seal Replacement: Confirm the Fault and Match the Part
What to record before a shaft-seal repair, how to distinguish a seal from neighboring components, and how to specify a replacement kit.
July 31, 2026 · Repair & service · 2 min read
Pool Filter Air Relief Parts: Match the Valve, Bleeder or Gauge Assembly
Identify CCX1000V, 273564Z, 273512 and 24850-0105 by component and filter model before ordering air-relief hardware.
July 31, 2026 · Repair & service · 2 min read
Hayward Super Pump Rebuild Guide: Build the Right Parts List
A component-by-component ordering checklist for a Super Pump rebuild: cover, securing knobs, mounting plate, seal plate and shaft seal.
July 26, 2026 · Repair & service · 2 min read
Hayward Super Pump Shaft Seal: SPX1600Z2 and the Parts Around It
Identify the shaft seal, distinguish it from diffuser and housing gaskets, and check what a Super Pump repair bundle actually contains.