Manual Pool Cover Pumps.This type of pump needs to be physically turned off and on.amazonsurmountwayautomaticswimmingpoolcoverpump_2021 Some manual pool cover pumps are hand-operated and use the power of water pressure to remove standing water, instead of electricity or batteries. Manual pool cover pumps drain about 200 GPH and are recommended for smaller above-ground pools or spas.Advantages of Manual Pumps:Less expensive-Lightweight and very portable-Smaller size - Good for most above-ground pool and spa covers; also useful for emptying spas and hot tubs.
<a href="https://www.amazon.com/Automatic-Swimming-Cover-Adapters-Drainage/dp/B097SY3TB2/ref=sr_1_14?dchild=1&keywords=Automatic+Swimming+Pool+Cover+Pump&qid=1628498586&sr=8-14" >pool cover pump automatic on off</a>