Wilo TOP-S

Wilo TOP-S

The Wilo TOP‑S is a glandless circulator pump series designed for hot‑water heating systems, industrial circulation, air‑conditioning, and closed cooling circuits. It’s a robust, corrosion‑protected pump with manual speed adjustment, available in multiple sizes and connection types.

Category: HVAC

Description

The Wilo TOP‑S is a reliable glandless circulator pump designed for hot‑water heating, air‑conditioning, and closed cooling systems in commercial and industrial buildings. Featuring a corrosion‑protected cast‑iron housing and manual three‑stage speed control, it ensures dependable circulation with flexible adaptation to system requirements. Its wide operating range, from ‑20 °C to +130 °C, makes it suitable for diverse HVAC applications, while easy installation and maintenance support long service life. With robust construction and proven efficiency, the TOP‑S remains a trusted choice for classic heating and cooling networks.

Glandless design: Maintenance‑free wet‑rotor pump with integrated motor.
Manual speed adjustment: Three selectable stages for power adaptation.
Corrosion protection: Cataphoretic (KTL) coating prevents damage from condensation.
Wide operating range: Fluid temperatures from ‑20 °C to +130 °C, PN 6–10 bar pressure.
Versatile connections: Screwed or flanged versions, DN 25–100.
Motor protection: Internal thermal protection for smaller models, optional tripping unit for larger ones.

Hot-water heating systems of all kinds, industrial circulation systems, air-conditioning systems and closed cooling circuits

Direction of rotation signal lamp for displaying the correct sense of rotation (only with 3~)
Manual power adjustment with 3 speed stages
Pump housing with cataphoretic coating (KTL) protects against corrosion due to condensation formation

Download Wilo TOP-S Installation Manual