Mid-size UV-C sterilizer with a flexible plumbing layout. The TWIST 40W adds a rotatable union block so you can “twist” the inlet/outlet orientation to match your run—cutting elbows, head loss, and install time. 2" slip ports support high-flow pond and aquarium loops.
Rotating (TWIST) union block aligns ports to your plumbing in tight spaces
Single 40W low-pressure UV-C lamp targets algae, bacteria, and protozoa
2" slip inlet/outlet for clean, high-flow PVC installs
Clear end cap shows lamp-on status; service-friendly access
Weather-resistant housing (non-submersible) for indoor or protected outdoor use
Sterilizer (freshwater): ~1,200–2,000 gal
Sterilizer (saltwater): ~325 gal
Clarifier (freshwater): up to ~6,000 gal (with 50–75% plant coverage)
Target UV-dose flows (EOL):
~2,900 GPH ≈ 30,000 µW·s/cm² (clarifying)
~1,930 GPH ≈ 45,000 µW·s/cm²
~1,450 GPH ≈ 60,000 µW·s/cm²
~1,160 GPH ≈ 75,000 µW·s/cm²
~967 GPH ≈ 90,000 µW·s/cm² (tighter pathogen control)
Model: TWIST 40 Watt, 2" Inlet/Outlet, White
Lamp: (1) × 40W low-pressure UV-C
Electrical: 120 V / 60 Hz
Connections: 2" slip (in/out), rotatable union block
Dimensions (unit): ≈38" × 4" × 2.5"
Cord Length: ~15 ft
Mounting: Wall/stand or supported inline (use appropriate brackets/anchors)
Warranty: Limited lifetime on housing; 1-year on other components
TWIST 40W UV body (White, 2" ports)
(1) 40W UV lamp
Transformer/power supply
Union/slip set
Quick start/installation guide
Install after mechanical filtration on a pressurized return line.
Rotate (twist) the union block to align with your plumbing, solvent-weld, and allow full cure before pressurizing.
Add unions/valves to isolate the unit and dial in target flow.
Protect from weather; do not submerge.
Replace the lamp every 9–12 months for consistent UV dose; clean/inspect the quartz sleeve at each change.