Brushless central heating pump for 12 or 24 volt DC with very low power consumption thanks to the application of advanced electronics.
Central heating systems on board ships and yachts, in caravans and all other CH and solar boiler installations operating independently of the mains.
type: 203S
colour: red
special feature: very quiet
pump type: normal priming centrifugal pump
impeller type: closed impeller
motor type: 2-pole semi wet digital inner pole motor with 3 adjustable stabilized speeds
fuse: NONE
shaft seal: sealless
system pressure: 6 bar maximum
back pressure: at least 1.3 bar at 75°C
: at least 1.5 bar at 90°C
materials: impeller : stainless steel
: pump housing : cast iron
: pump shaft : ceramic oxide
liquids: clean water with a maximum temperature of 100°C
voltages: 12 and 24 V DC
no head: 3,500 litres per hour
1.5 metres head: 1,500 litres per hour
discharge head: 2.0 metres maximum
suction height: zero
particle size: zero
connections: 1.1/2" external thread (is supplied without connectors)
dimensions: installed length 180 mm
weight: 3.5 kg
voltage: minimum : 16.0 V
: maximum : 30.0 V
shaft power: min. 10 W, max. 20 W
power cons.: min. 12W, max. 24W
amperage: 12 V : 1= 1.00 through 1.40 A
: 12 V : 2= 1.40 through 1.70 A
: 12 V : 3= 1.70 through 2.00 A
: 24 V : 1= 0.50 through 0.70 A
: 24 V : 2= 0.70 through 0.85 A
: 24 V : 3= 0.85 through 1.00 A
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