Wilo-TOP-S
Installation and Operating Instructions  »

Single stage wet rotor pump with flanged connection. Pre-selectable speed stages for capacity adjustment

Pumps with cast iron body for hot water he­ating systems of all kinds, air conditioning, closed cooling circuits, industrial circulation systems.

Pumps with bronze body for all warm and hot water, heating applications in open cir­culating systems.

Special features/Product advantages
  • Pre-selectable speed stages for manual capacity adjustment
  • Automatically vented
  • Simple installation
  • Quiet, maintenance free
Wilo-TOP-S


Technical data

  • Power supply 1~115/230 V, 60 Hz / 3~208/230/460 and 575 V, 60 Hz
  • Fluid temperature: -14 °F to + 248°F (-10 °C to +120 °C)
  • Protection class H
  • Max. operating pressure: 145 PSI (10 bar)
Equipment
  • Two pre-selectable speeds for capacity adjustment
  • Pump flanges - 2 bolt oval 1 ¼" and 1 ½" – 4 bolt 2" pump flange – 4 bolt 3" 125 # raised face ANSI
  • Cataphoretic coated pump housing
  • Thermal overload motor protection, power on and reverse rotation (three phase only) lights
  • Cable feed both sides to facilitate installation
Materials
  • Pump housing: Cataphoretic coated cast iron or bronze
  • Impeller: Engineered composite (PP - 50 % GF)
  • Shaft: Stainless steel
  • Bearing: Metal-impregnated carbon
Scope of delivery
  • Pump
  • Flange gaskets
  • Installation and operating instructions
Wilo-TOP-S
Wilo-TOP-S
Image of the product as EPS (83.3 MB)  »
Wilo-TOP-S, TOP-Z  »
Extract from Catalogue - Wilo-TOP-S A1  »
Our downloads for the Wilo Top S series
The following documentation is available for your information:

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WILO Top S Product Brochure (1 MB) »