Gaug e and Lack-of-Water Pressure Switch
27
Lack-of-water Pressure Switch
with beeper
If pressure drops below 7.25 psi / 0.5 bar,
an intermittent beep will be sounded and code 03
will be displayed.The beep will sound every
5 seconds for 3 minutes, will stop for 2 hours,
then will continue beeping for another 3 minutes,
after which it will stop for good.
Analogic gauge
Return from
radiators
Connection to pump
Connection to fill
point valve
Laura 20/20F wall-hung waterheaters
Bypass connection
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