Residential Wet Rotor Circulators WILO Star Product Brochure.
Star Model Dimensions Ultra Quiet Reliable Wet Rotor Technology Optional Check Valve Automatically Vented Single or 3 Speed Models 18 Wilo Star 12 15 10 H [ft] 3 3 8 5 2 6 2 B S 16 FX, BFX 60 Hz 14 10 D Wilo Star 16 S 21 FX, BFX 60 Hz 20 H [ft] Stainless Steel Shaft Quick Connect Wiring Steel Terminal Box Fits all Competitor’s Models Powerful Starting Torque Performance Curves 4 1 1 2 0 0 2 4 6 8 10 12 14 16 0 [US gpm] 0 2 4 6 8 Q 3 0.12 P1 [hp] P1 [hp] 0.
Model Number Designation F Type Key Example: (Circo) Classic Star S 16 () FX Circulator Pump Circo for Open Circulation (Bronze) Classic for Closed Systems (Cl) S = Multiple Speed = constant speed (no letter) Maximum head [ft] “F” Configuration FX Pump housing = Cast iron (no letter = cast iron) B = Bronze Pipe connection F = Flange FX = Flange rotated 90 U = Union connection S5 = ½” Internal sweat S7 = ¾” Internal sweat “FX” Configuration (Flange rotated 90°) WILO Check Flange Fits all WILO re
