{"product_id":"dock-mount-de-icer","title":"Scott Aerator Dock Mount De-Icer","description":"\u003cp\u003eThe Scott Aerator Dock Mount De-Icer is a propeller-driven water circulator that fixes to the edge of a dock and keeps the surface from freezing over around the structures it protects. It does not heat anything. Instead it pulls the slightly warmer water sitting below the surface and drives it upward and outward, so an open pocket stays clear all winter around docks, pilings, moored boats, boat lifts, marinas and boathouses.\u003c\/p\u003e\u003cp\u003eFour motor sizes cover different lengths of waterfront, and every one of them is built in either 115 volts or 230 volts. Output starts at 300 gallons per minute on the 1\/3 hp motor, rises to 400 on the 1\/2 hp and 450 on the 3\/4 hp, and reaches 500 gallons per minute on the 1 hp. The resulting current carries 40 feet from the unit at the smallest size, 50 feet at 1\/2 hp, 60 feet at 3\/4 hp and 75 feet at 1 hp. In terms of open water, the 1\/2 hp motor is rated to hold roughly a 50-foot circle ice-free and the 1 hp motor as much as 70 feet across. Pick the voltage by the length of the wiring run: 115 volts is only appropriate when the distance from the main breaker is 100 feet or less, and beyond that the 230-volt motor is the correct choice.\u003c\/p\u003e\u003cp\u003ePower comes from a stainless-steel, oil-free submersible motor turning at 3,450 rpm. There is no oil to change, no routine servicing between seasons and no separate control box to mount on shore, so the unit plugs in and runs. The housing and hardware are built from high-density polyurethane and stainless steel, and the de-icer is approved for salt water as well as fresh. Three-phase and 50 Hz builds are available for sites that need them.\u003c\/p\u003e\u003cp\u003eMounting is a real decision rather than a formality, and there are three ways to hang the unit. The standard dock plate bolts to a flat dock surface and suits most installations. The dock post bracket upgrade clamps to a round piling or post where there is no flat deck edge to work with. The truss mount bracket upgrade is for metal truss-frame docks, attaching to the frame members themselves. Cord length is chosen separately in 25, 50 or 100 feet, all submersible and fitted with a marine-style plug. An optional oscillator steps the unit through a 20-degree turn every 20 minutes, spreading the open water across a wider arc instead of a single lane.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMounting Options and What's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStandard Dock Plate: the default mount, bolts to a flat dock surface\u003c\/li\u003e\n\u003cli\u003eDock Post Bracket Upgrade: clamps to a round piling or dock post where there is no flat deck edge\u003c\/li\u003e\n\u003cli\u003eTruss Mount Bracket Upgrade: attaches to the frame members of a metal truss-style dock\u003c\/li\u003e\n\u003cli\u003eDe-icer unit with stainless-steel, oil-free submersible motor, in 1\/3, 1\/2, 3\/4 or 1 hp and 115 V or 230 V\u003c\/li\u003e\n\u003cli\u003eSubmersible power cord with marine-style plug, chosen in 25, 50 or 100 feet\u003c\/li\u003e\n\u003cli\u003eSold separately: the programmable oscillator, quick-release adapter and additional mounting plates\u003c\/li\u003e\n\u003cli\u003eA GFCI-protected circuit is required and is not supplied with the unit\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Scott Aerator","offers":[{"title":"1\/3 hp 115 volts \/ 25 feet \/ Standard Dock Plate","offer_id":67834420396223,"sku":"10013","price":1379.0,"currency_code":"USD","in_stock":true},{"title":"1\/3 hp 115 volts \/ 25 feet \/ Dock Post Bracket Upgrade","offer_id":67834420428991,"sku":"10013DPM","price":1489.0,"currency_code":"USD","in_stock":true},{"title":"1\/3 hp 115 volts \/ 25 feet \/ Truss Mount Bracket Upgrade","offer_id":67834420461759,"sku":"10013TM","price":1489.0,"currency_code":"USD","in_stock":true},{"title":"1\/3 hp 115 volts \/ 50 feet \/ Standard Dock Plate","offer_id":67834420494527,"sku":"10013.01","price":1469.0,"currency_code":"USD","in_stock":true},{"title":"1\/3 hp 115 volts \/ 50 feet \/ Dock Post Bracket 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