Swimline Hydrotools Auto-Siphon Cover Pump SW5436 The Swimline Hydrotools Auto-Siphon Cover Pump (Model SW5436) is a hand-operated, non-electric siphon pump designed for easy and energy-efficient removal of standing water from above-ground pool covers. This eco-friendly solution requires no power or batteries, making it ideal for winter maintenance and protecting pool covers from damage due to water accumulation and freezing. Key Features and Benefits: Non-electric operation—requires no electricity or batteries, saving energy and reducing costs Simple to use: place the drain disc on your pool cover, squeeze the hand primer bulb until water flows, and the siphon does the rest Automatically stops pumping when the cover is dry, minimizing risk of over-drainage All-inclusive kit: includes drain disc, 13-foot clear hose, hand priming bulb, hose clamps, and garden hose adapter for quick setup Prevents winter cover sagging, water damage, and potential freezing damage to your pool cover Lightweight and compact for easy, seasonal storage and repeated use year after year Durable construction ensures reliable performance through multiple winters Safer and gentler on pool covers than heavy-duty equipment—reduces risk of cover tears or damage Makes spring openings easier by keeping the cover dry and manageable Specifications: Model: SW5436 (also listed as 5436) Operation: Manual hand-primed siphon Hose Length: 13 feet (clear vinyl tubing, 1/2" diameter) Weight: Approximately 3.2 lbs (assembled) Flow Rate: Up to 5 gallons per minute (varies by siphon height) Includes: Drain disc, hand priming bulb, clear hose, garden hose adapter, hose clamps