Variable-Speed Pump Reference (FL Energy Code)
Florida Statute 553.909 / F.A.C. 61G15-30.003: Effective January 1, 2021, all new pool pump installations in FL for pools with ≥1 HP pump require variable-speed pumps (VSP). This applies to both residential and commercial pools.
VSP energy savings: Running at 1,750 RPM instead of 3,450 RPM reduces energy use by up to 70% (affinity law: power ∝ RPM³). Typical savings: $600–$1,200/year for FL residential pools.
Approved brands (FL market leaders):
| Brand / Model | HP Range | Use Case | SVRS |
|---|---|---|---|
| Pentair IntelliFlo3 | 0.5–3 HP | Residential | Built-in |
| Hayward EcoStar | 0.85–1.85 HP | Residential | Available |
| Jandy VS FloPro | 0.5–2.7 HP | Residential | Built-in |
| Pentair WhisperFlo VST | 1–3 HP | Semi-public | Yes |
| Hayward MaxFlo VS | 1–1.65 HP | Residential | Available |
| Sta-Rite IntelliPro VS+ | 2–3 HP | Commercial | Built-in |
SVRS (Safety Vacuum Release System): Required by VGB Act for all public pools and strongly recommended for residential. Shuts pump off if drain blockage is detected (anti-entrapment). Required for FL commercial pools under 64E-9.005.
FL Pool Code — Key Requirements
FL DEP Chapter 64E-9 (Public Pools)
64E-9.005 — Turnover rates (public/semi-public pools): - Swimming pools: 6-hour turnover (residential / HOA) - Wading pools / splash pads: 1-hour turnover - Spa / hot tub: 30-minute turnover - Interactive water feature: 2-hour turnover - Therapy pools: 4-hour turnover
64E-9.004 — Filtration: All public pools in FL require continuous filtration during hours of operation. Sand filter max rate: 3 GPM/sq ft. DE filter max rate: 2 GPM/sq ft. Cartridge filter max rate: 0.375 GPM/sq ft.
64E-9.006 — Chemical treatment: Chlorine minimum 1.0 ppm (public), pH 7.2–7.8, cyanuric acid max 100 ppm. Saltwater chlorination allowed as of 2011 FL rule change.
FL Building Code — Pool Plumbing
FBC 4.7.1 — Barrier requirements: All residential pools in FL require a 4-ft minimum pool barrier (fence, wall, or screen enclosure) per FBC Section 454. Most FL counties enforce the screen enclosure requirement via local ordinance.
FBC 454.2.17.1 — Main drain: All pool main drains must have anti-entrapment drain covers compliant with ANSI/APSP-16. VGB-compliant covers required. Dual main drains (min 3 ft apart) or SVRS required per VGB Pool & Spa Safety Act.
FL Statute 553.909 — Variable-speed pumps: All new pool pump installations ≥1 HP require variable-speed pump. Effective January 1, 2021. Applies statewide.
Filter Sizing Reference
| Filter Type | Max Flow Rate | 1,000 gal pool needs | Backwash |
|---|---|---|---|
| Sand | 3.0 GPM/sq ft | ~0.3 sq ft/1k gal | Weekly |
| DE | 2.0 GPM/sq ft | ~0.5 sq ft/1k gal | Monthly |
| Cartridge | 0.375 GPM/sq ft | ~2.7 sq ft/1k gal | Never (clean) |
Pool Permit Checklist (FL)
- FL pool permit pulled from local building department (FBC 454) — permit required for all new pools, equipment replacements, and major renovations.
- Variable-speed pump specified (≥1 HP) — FL Statute 553.909 mandatory since Jan 2021.
- Anti-entrapment drain covers (VGB-compliant) — FBC 454.2.17.1, ANSI/APSP-16 covers + dual main drains or SVRS.
- Pool barrier / screen enclosure compliant with FBC Section 454 — 4-ft minimum barrier.
- Turnover rate meets FL DEP 64E-9 — public/semi-public 6-hour turnover for swimming pools.
- Pool heater (if present) permitted and gas piping sized — adds ~10 ft TDH; gas sizing per NFPA 54.
- Bonding and grounding per NEC 680 — all metal within 5 ft of pool water bonded; equipotential bonding grid for concrete pools.
- Suction outlets separated ≥3 ft (or SVRS) — VGB Act dual drains min 3 ft apart center-to-center.
- Saltwater / chlorinator system FL code compliant — salt chlorinators allowed since 2011; cyanuric acid max 100 ppm per 64E-9.006.
Pool sizing reference notes: Required GPM = pool volume (gallons) ÷ turnover hours ÷ 60. TDH includes pipe friction, static lift, fitting losses, filter resistance, heater, spa jets. Pump BHP = GPM × TDH ÷ 3960 ÷ efficiency (typical efficiency 0.65–0.80). TDH quick estimate: typical residential = 40–60 ft; commercial = 50–80 ft; add 10 ft per 100 ft pipe run, 5 ft per 90° elbow, 10 ft for heater, 5 ft for filter, 15 ft for slide/water feature. Affinity law: 50% speed reduction = 87.5% power reduction.