5
Where to use Check Valves
and Foot Valves
A check valve is required for tting to
installations with ooded or positive suction.
Care should be taken to ensure that it is
correctly installed in the suction line for
installations with ooded or positive suction.
Installations with ooded suction require a
gate valve so water supply can be turned
off for pump removal and servicing.
On installations with a suction lift a good
quality foot valve with strainer is required.
Installations with ooded suction require
a gate or isolating valve so water supply
can be turned off for pump removal and
servicing.
For Automatic Pressure Pumps Installed with a
Mains Pressure Hot Water System
To protect your system from damage
caused by back pressure from hot water
systems. You should always have installed
on the hot water inlet an approved non-
return valve.
DO NOT USE THREAD SEALING COMPOUNDS, HEMP OR PIPE
DOPE!
Check valve
Abrasive Materials
The pumping of abrasive materials will cause damage to the pressure
system which will then not be covered by the guarantee.
Approved
NOTE: Always ensure hot
water systems are installed in
compliance with manufacturers
recommendations and in accordance
with all local regulations.
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