User’s Manual –
A
REBO
S Domestic waterworks 1000 W
12
often.
The pump turns on and off too
often.
- Too little pre-pressing
pressure in the pressure kettle.
- Ingress of air into the intake
pipe.
- Check valve leaking or
blocked.
qualified personnel.
- Increase pressure via the
boiler valve. Before doing so,
open a load in the pressure line
(e.g. water faucet) to prevent
the system from being
pressurized.
- Check and make sure that:
a) the suction line and all
connections are tight.
b) the inlet of the suction line
including check valve is
immersed in the conveying
liquid.
c) the check valve with suction
filter closes tightly and is not
blocked.
d) there are no siphons, kinks,
opposite slopes or restrictions
along the suction lines.
- Release the check valve from
the blockage or replace if
damaged.
