The AS888 Johnson automatic float switch has a time-proven micro switch without mercury. When water exceeds the acceptable level, the pump is turned on by a rolling steel ball, which changes the pressure on the micro switch. For full automatic bilge pumping operation, connect the automatic switch to your bilge
pump
$5.99 standard freight rate for non-rural, shoe box sized deliveries. Additional charges apply for rural delivery, island delivery, dangerous goods and large packages.
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