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Full range of intelligent, high-efficiency circulator pumps for heating, cooling, boiler, heat pump, solar thermal systems, domestic hot water applications


LE Domestic Type

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circulator
Supply voltage:
Flow rate, Qmax:
Pump head, Hmax:
Liquid temperature:
System pressure, Pmax:
Power Range:
Ambient temperature:
Enclosure class:
Insulation class:
   1 x 230 V – 50 Hz
   9.6 m3/h
   15 m
   +2°C to +110°C (TF 110)
   1.0 MPa/10 bar
   72-270 W
   0°C to +40°C
   IP 44
   F
» 3 manually selectable speed stages
» Quick electrical connection with spring clips
» Available options for rear housing material:
   cast iron, brass, stainless steel
» Cast iron housing with cataphoretic (KTL) coating protects against    corrosion due to condensation formation
» Based on 500,000 times test in extreme conditions
» Hot-water heating systems of all kinds
» Industrial circulation systems
» Cold water and air-conditioning systems
» Circulation in solar thermal and geothermal energy systems
» Biomass boilers systems

Explosive View

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PARTS MATERIALS
Rear Housing Cast iron/ Brass/ Stainless Steel
Impeller PES/ PP
Shield cover base Stainless Steel
Bearing Ceramic
Gasket Rubber
Thrust bearing Graphite/Carborundum
Rotor Silicon steel
Shaft Ceramic
Shield cover Stainless steel
Stator Silicon steel & Copper
Motor casing Die-cast Aluminium
Inner-hexagon screws Stainless steel
Air exhaust screw Brass
Nameplate Nylon
Terminal box Nylon

Technical Data


Type Max. power Max. volume flow
Qmax
Max. delivery head
Hmax
Thread Threaded pipe
union
Rated
pressure
Overall
length
Mains
connection
Gross
weight
LE-RS15/4 72 W 2.3 m³/h 4 m G 1" G 3/4" 10 bar 130 mm 1~230 V,
50 Hz
2.2 kg
LE-RS25/4 72 W 2.9 m³/h 4 m G 1 1/2" G 1" 10 bar 130/180 mm 1~230 V,
50 Hz
2.4 kg
LE-RS32/4 72 W 3.4 m³/h 4 m G 2" G 1 1/4" 10 bar 180 mm 1~230 V,
50 Hz
2.6 kg
LE-RS15/6 93 W 2.6 m³/h 6 m G 1" G 3/4" 10 bar 130 mm 1~230 V,
50 Hz
2.3 kg
LE-RS25/6 93 W 3.3 m³/h 6 m G 1 1/2" G 1" 10 bar 130/180 mm 1~230 V,
50 Hz
2.5 kg
LE-RS32/6 93 W 3.9 m³/h 6 m G 2" G 1 1/4" 10 bar 180 mm 1~230 V,
50 Hz
2.7 kg
LE-RS15/7 135 W 3.3 m³/h 7 m G 1" G 3/4" 10 bar 130 mm 1~230 V,
50 Hz
2.6 kg
LE-RS25/7 135 W 3.8 m³/h 7 m G 1 1/2" G 1" 10 bar 130/180 mm 1~230 V,
50 Hz
3.0 kg
LE-RS32/7 135 W 4.2 m³/h 7 m G 2" G 1 1/4" 10 bar 180 mm 1~230 V,
50 Hz
3.2 kg
LE-RS15/8 165 W 3.4 m³/h 8 m G 1" G 3/4" 10 bar 130 mm 1~230 V,
50 Hz
3.3 kg
LE-RS25/8 182 W 6.9 m³/h 8 m G 1 1/2" G 1" 10 bar 130/180 mm 1~230 V,
50 Hz
4.2 kg
LE-RS32/8 270 W 9.6 m³/h 8 m G 2" G 1 1/4" 10 bar 180 mm 1~230 V,
50 Hz
4.8 kg
LE-RS20/12 245 W 3.1 m³/h 12 m G 1" G 3/4" 10 bar 180 mm 1~230 V,
50 Hz
4.4 kg
LE-RS25/12 245 W 3.7 m³/h 12 m G 1 1/2" G 1" 10 bar 180 mm 1~230 V,
50 Hz
4.5 kg
LE-RS25/15 270 W 4.1 m³/h 14 m G 1 1/2" G 1" 10 bar 180 mm 1~230 V,
50 Hz
5.3 kg

Measurements

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Type L
(mm)
B
(mm)
H
(mm)
G
(inch)
Material of rear housing
LE-RS15/4 130 127 133 1" cast iron/ brass/ stainless steel
LE-RS25/4 130/180 127 133 1 1/2" cast iron/ brass
LE-RS32/4 180 127 133 2" cast iron/ brass
LE-RS15/6 130 127 133 1" cast iron/ brass/ stainless steel
LE-RS25/6 130/180 127 133 1 1/2" cast iron/ brass
LE-RS32/6 180 127 133 2" cast iron/ brass
LE-RS15/7 130 123 145 1" cast iron/ brass/ stainless steel
LE-RS25/7 130/180 123 145 1 1/2" cast iron/ brass
LE-RS32/7 180 123 145 2" cast iron/ brass
LE-RS15/8 180 127 159 1" cast iron
LE-RS25/8 180 134.5 158 1 1/2" cast iron/ brass
LE-RS32/8 180 137 172 2" cast iron/ brass
LE-RS20/12 180 150 152 1" cast iron/ brass
LE-RS25/12 180 150 160 1 1/2" cast iron
LE-RS25/15 180 149 160 1 1/2" cast iron/ brass

Curves

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