Grundfos - Unilift AP 12.50.11.A3 Dirty Water Pump - with Floatswitch - 415V - Stainless Steel - 1.9kW

Vertical single-stage Stainless Steel submersible pump with vertical discharge port and integrated submersible 3-phase totally enclosed motor in insulation class F. The pump is equipped with a suction strainer.

The pump is supplied with a control box including motor starter, a motor protection and a float switch for self-operating start/stop of the pump . The float switch contains 10 m cable. And there is a 0.8m maine cable connected to the box (see electrical data for optional CEE plug).

The impeller is a SEMI OPEN impeller for 12 mm free passage appropriate for pumping groundwater, surface water, rain water and similar liquids.

The pump has a double shaft seal and an intermediate oil chamber pre-filled with non-toxic special oil.

The pump has a riser pipe, a cooling jacket for continuous cooling of the motor by the pumped liquid and long-life deep-groove greased-for-life ball bearings.

The pump is ready for use as it is fitted with carrying handle and is supplied with a 10 m mains cable. The mains cable is of the plug type with glass sealing compound in the socket to prevent penetration of humidity into the stator windings.

Suitable for: Domestic wastewater

Key Product Features

• Net weight: 17.7 kg
• Mains frequency: 50 Hz
• Approvals: CE,RCM,LGABG,EAC,TUVRHWID,MORO,UKCA,SEPRO
• Max Head: 18 m
• Product Voltage: 3 x 400 V
• Temperature Liquid Range: 0 .. 55 °C
• Connection Size: 2 inch
• Type of connection: Rp
• Impeller Material: Stainless Steel
• Pump Housing Material: Stainless Steel

This is a Grundfos Submersible pump suitable for installation below liquid level.

Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.