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
- 42Technical guides
- 20Repair & service
- 22Sourcing & trade
- FactoryWritten by makers
42 guides
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.