4.1.4.1
“Sisme” (UC/06 through UC/23)
It has a capacitor start motor with a centrifugal switch cutting out
the starting capacitor once the motor comes up to speed. This
pump can be replaced as #
239144
pump assembly, #
266511
motor only or #
167085
impeller kit.
It has a ceramic seal keeping water from entering the motor and
an 8mm nut on the impeller to free it if it should ever stick.
4.1.4.2
“Sisme” pump with PTC motor starter
Pump #
437345
pump is more powerful for use with heaters with
water switches and sumps with extra filter cylinder. It uses a
separate motor starter (#
182318
) attached to the motor
terminals. It can use #
167085
impeller kit.
The (PTC) circulation pump motor starter cuts out the start
winding after the motor starts.
4.1.4.3
“Sicasym” (UC/21 through present)
8mm nutdriver
Most common pump (used starting with UC/21 index). Smaller
than
239144
“Sisme” pump. Used with controls & single wire
harnesses designed for Sicasym pumps. Motor controls have
motor starter software, so there are no mechanical starters.
Sump
Impeller
There is no impeller kit.
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Sump
access to
impeller
