Grasslin / Intermatic Timer Clock FM1QRTUZH / TSM1 QTUHZR 143

The Intermatic TSM1 QTUHZR 143 is a reliable 24-hour timer designed for automatic control of pool chlorinators and other pool equipment. Its easy-to-set analogue dial provides ON/OFF scheduling in 15-minute intervals, helping maintain consistent chlorination while reducing unnecessary equipment run time.

A built-in battery backup keeps the timer operating during power interruptions or off-peak power shutdowns, while the manual override allows equipment to be switched on or off whenever required. Compact and panel-mounted, it is a practical replacement timer for dependable day-to-day pool operation.

Old Code: FM1QRTUZH
New Code: TSM1 QTUHZR  143