{"product_id":"the-basement-watchdog-big-combo-1-2-hp-4-400-gph-cast-iron-dual-reed-switch-ac-backup-sump-pump","title":"The Basement Watchdog Big Combo 1\/2 HP 4,400 gph Cast Iron Dual Reed Switch AC Backup Sump Pump","description":"\u003cdiv\u003e\n\u003cp\u003eProtect your basement with the Basement Watchdog Big Combo 1\/2 HP AC Backup Sump Pump — a rugged, reliable defense against flooding that you can depend on when it matters most. Built with a cast iron housing and designed for continuous backup performance, this unit delivers powerful pumping capacity while standing up to the harsh basement environment.\u003c\/p\u003e \u003ch2\u003eWhy this backup sump pump stands out\u003c\/h2\u003e\n\u003cp\u003eIn challenging flood situations, you need an engine that combines durability with dependable operation. The Big Combo uses a 1\/2 horsepower motor powered by standard 115V AC, pulling 4.2 amps for solid performance without compromising energy efficiency. Its cast iron body resists corrosion and wear, ensuring years of steady service even in damp, dusty basement corners.\u003c\/p\u003e \u003cp\u003eKey performance highlights include a maximum discharge flow of 4,400 gallons per hour, with practical flow of 3,540 gph at a 10-foot head. Its 25-foot maximum head means you can route discharge farther to a safe outdoor location, and the 1-1\/2 inch discharge outlet matches common sump pump piping for seamless installation.\u003c\/p\u003e \u003cp\u003eReliability is further enhanced by the Dual Reed Switch, a thoughtful sensing system that helps ensure the pump turns on and off at the right water levels for protection against nuisance starts or short-cycling. This sensor design is paired with a bottom suction intake to efficiently pull water from the sump pit and minimize debris interference.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 1\/2 HP\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHousing material:\u003c\/strong\u003e Cast iron\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum discharge flow:\u003c\/strong\u003e 4,400 GPH\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDischarge outlet:\u003c\/strong\u003e 1-1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead capability:\u003c\/strong\u003e Up to 25 feet\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e 115 V, 4.2 amps\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntake:\u003c\/strong\u003e Bottom suction\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 40°F to 104°F\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e CSA and UL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions (L x W x H):\u003c\/strong\u003e 11-3\/4\" x 8-3\/4\" x 18\"\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho needs the Big Combo?\u003c\/h3\u003e\n\u003cp\u003eThis backup sump pump is ideal for homeowners who rely on a reliable secondary pump to safeguard basements during storms, power outages, or unusually wet seasons. If you’ve got a sump system that must stay online even when the power goes out, or you want a durable, long-lasting unit that can handle higher water volumes, this model delivers.\u003c\/p\u003e \u003ch3\u003ePractical use cases and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongpower outage protection:\u003e Keeps basement water under control when the primary pump fails or power drops.\u003c\/strongpower\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy rainfall and groundwater spikes:\u003c\/strong\u003e High-flow capability helps prevent basement flooding during intense rain events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy integration:\u003c\/strong\u003e Standard 1-1\/2 inch discharge and bottom suction intake simplify installation in most existing sump setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable build for long life:\u003c\/strong\u003e Cast iron housing resists corrosion and provides rigid support in humid environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cp\u003eTo maximize performance and longevity, ensure the discharge line is clear and free of blockages, use a properly sized check valve to prevent backflow, and place the unit so the bottom suction port remains unobstructed by debris. Regularly inspect the dual reed switch and wiring for signs of wear, especially in damp basements, and perform a test run on occasion to confirm reliable activation and shutdown.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"The Basement Watchdog","offers":[{"title":"Default Title","offer_id":52195933159698,"sku":"4303087","price":469.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4303087_A.eps_High.jpg?v=1776117763","url":"https:\/\/nationalhardwaregroup.com\/products\/the-basement-watchdog-big-combo-1-2-hp-4-400-gph-cast-iron-dual-reed-switch-ac-backup-sump-pump","provider":"National Hardware Group","version":"1.0","type":"link"}