Guides & cross-reference notes
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.
Latest · August 17, 2026
The honest answer is that it depends entirely on which part you are talking about. Here is where the difference is real, where it is marketing, and where aftermarket is simply better value.
Read the guide →
August 14, 2026
Heater parts are the widest gap between what breaks and what is on the shelf. Gaskets and headers are the practical entry point, and electronic controls are the trap.
August 12, 2026
Most supplier problems are visible before the first order, if you ask the right twelve questions. Here is the checklist we would use on ourselves.
August 10, 2026
We audited our own cross-reference database and deleted 18 entries. Here are the five patterns that produce wrong matches, with the real examples that caught us out.
August 9, 2026
The above-ground segment runs on nuts, gaskets, plugs and hose fittings. A B2B stocking guide to the four universal SKUs that anchor the category, with sizing basics and cross-references.
August 9, 2026
How to inspect and safely reassemble the FNS Plus tension control clamp, keep the internal air bleed clear, and recognize when a complete replacement filter beats another round of parts.
August 8, 2026
A working guide to Jandy quick-service parts: how to replace a pump lid and o-ring, when to swap baskets and diffusers, and why the filter's air release and gauge kit belongs on every service truck.
August 8, 2026
Diagnosing volute leaks and worn impellers on the Polaris PB4-60 booster pump, with a full wet-end rebuild walkthrough using an impeller and O-ring kit.
August 7, 2026
What a dummy cell is, how it keeps a salt pool running during winterizing or cell service, and why it beats a hard-plumbed bypass on most equipment pads.
August 7, 2026
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
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
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
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
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
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
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
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
Drips under the pump, scale trails and bearing growl all trace back to one small part. Learn the symptoms of a failing shaft seal and the right way to replace it.
July 31, 2026
Why air collects at the top of a filter tank, why a working air relief valve is a safety component, and how to replace manual and automatic relief parts on Hayward, Pentair and Sta-Rite filters.
July 31, 2026
How to diagnose a tired Hayward Super Pump wet end, run a complete rebuild, and decide when replacement beats repair — with an OEM-to-aftermarket cross-reference table.
July 26, 2026
The SPX1600Z2 is the single most-replaced part on a Super Pump. Here is how to tell it has gone, which numbers supersede which, and what to check before you order a case.
