November 2026 — Launched v1
- Launched version 1 with five catalogs: Submersible pumps 73, Jet pumps 45, Constant-pressure systems 28, Pressure tanks 54, Controls 37 — 237 rows in all.
- Added sizing basics (gpm, total dynamic head, tank drawdown, shallow vs deep, 2-wire vs 3-wire, constant pressure vs conventional) with worked examples.
- Added the Compare tool: tick up to four rows from any catalog and view every field, source and link side by side.
- Sourcing: specs come from official manufacturer pages and catalog PDFs, plus public retailer listings, checked Nov 15, 2026. Notes are in our own words; pump curves are linked, never reproduced.
- Prices: 11 rows have a live retailer price with a source link and check date; 226 show an editorial band. Price = lowest in-stock price for a new unit of that exact model seen on a public US retailer or manufacturer-store listing (seller named and linked), checked on the date shown. No affiliate links. If no live price was found, a $ band is shown as an editorial estimate.
- Editorial price bands (shown only when no live price was seen): $ under $250 · $$ $250–$600 · $$$ $600–$1,200 · $$$$ $1,200–$2,500 · $$$$$ over $2,500.