{"product_id":"downspout-first-flush-water-diverter-kit-4","title":"Downspout First Flush Water Diverter Kit 3\"","description":"\u003ch1\u003e\n\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eFIRST FLUSH RAIN DIVERSION KIT FOR 3\" PIPE!\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\u003cp\u003e\u003cspan style=\"color: rgb(192, 80, 77);\"\u003eNOTE: We only recommend first flush diverters in warm climates. Using these in winter climates could result in the unit breaking if the standpipe isn't fully drained during freezing temps. For winter climates, consider using our \u003ca href=\"https:\/\/www.rainbrothers.com\/store\/RMS-Wisy-Vortex-Roofwasher-Filter-up-to-2-200-sq-ft-p281493431\" target=\"_blank\"\u003e\u003cu\u003e\u003cspan style=\"color: rgb(84, 141, 212);\"\u003eWisy Vortex Filters\u003c\/span\u003e\u003c\/u\u003e\u003c\/a\u003e or our \u003ca href=\"https:\/\/www.rainbrothers.com\/store\/Single-Outlet-Monjolin-Filter-for-filtering-up-to-1200-sq-ft-p454961280\" target=\"_blank\"\u003e\u003cu\u003e\u003cspan style=\"color: rgb(84, 141, 212);\"\u003eMonjolin Filters\u003c\/span\u003e\u003c\/u\u003e\u003c\/a\u003e in lieu of first flush.\u003c\/span\u003e\n\u003c\/p\u003e\u003cp\u003eDownpipe First Flush Water Diverters improve water quality and reduce tank maintenance by preventing the first flush of water, which may contain roof contaminants, from entering the tank. They help ensure cleaner water is  available for use, which protects rainwater pumps and internal household appliances such as clothes washing machines, toilets, hot water systems, etc.\n\u003c\/p\u003e\u003cdiv\u003e\n\t\u003cp\u003eDownpipe First Flush Diverters, such as the 3\" and \u003ca href=\"https:\/\/www.rainbrothers.com\/store\/Downspout-First-Flush-Water-Diverter-Advanced-4-p281493354\" target=\"_blank\"\u003e4\" round kits\u003c\/a\u003e, are installed at each downpipe that supplies water to the tank. They utilize a dependable ball and seat system - a simple automatic system that does not  rely on mechanical parts or manual intervention. As the water level rises in the diverter chamber, the ball floats, and once the chamber is full, the ball rests on a seat inside the diverter chamber preventing any further water entering the diverter. The subsequent flow of water is then automatically directed along the pipe system to the tank.\n\t\u003c\/p\u003e\n\t\u003ch2\u003e\u003cspan style=\"font-size: 16px;\"\u003eFEATURES AND BENEFITS\u003c\/span\u003e\u003c\/h2\u003e\n\t\u003cul\u003e\n\t\t\u003cli\u003ePrevents sediment, bird droppings, spiders, insects, mosquito eggs and debris from entering the rainwater tank.\u003c\/li\u003e\n\t\t\u003cli\u003eImproves water quality, protects pumps and internal appliances.\u003c\/li\u003e\n\t\t\u003cli\u003eIdeal to use in conjunction with our \u003ca href=\"https:\/\/www.rainbrothers.com\/store\/2-X3-3-Round-Aluminum-Downspout-Debris-Filter-WHITE-p281493317\" target=\"_blank\"\u003ealuminum downspout debris filters\u003c\/a\u003e.\u003c\/li\u003e\n\t\t\u003cli\u003eEasy installation, just add pipe and glue.\u003c\/li\u003e\n\t\t\u003cli\u003eNo mechanical parts.\u003c\/li\u003e\n\t\t\u003cli\u003eLow maintenance requirements.\u003c\/li\u003e\n\t\u003c\/ul\u003e\n\t\u003ch2\u003e\u003cspan style=\"font-size: 16px;\"\u003eHOW DO THEY WORK?\u003c\/span\u003e\u003c\/h2\u003e\n\t\u003cp\u003eFitting an appropriately sized First Flush Water Diverter is critical to achieve good quality water. Water Diverters improve water quality, reduce tank maintenance and protect pumps by \u003cstrong\u003epreventing the first flush of water, which may contain contaminants from the roof, from entering the tank.\u003c\/strong\u003e\n\t\u003c\/p\u003e\n\t\u003cp\u003eWhen it rains, water slowly builds up in the roof guttering system before it exits through the downpipe. \u003cstrong\u003eThe first flush of water from the roof can contain\u003c\/strong\u003e amounts of bacteria from decomposed insects, skinks, bird and animal droppings and concentrated tannic acid. It may also contain sediments, water borne heavy metals and chemical residues, all of which are \u003cstrong\u003eundesirable elements to have in a water storage system.\u003c\/strong\u003e\n\t\u003c\/p\u003e\n\t\u003cp\u003eInstead of flowing to the water tank, these pollutants are diverted with the initial flow of water into the chamber of the water diverter. The water diverters from Rain Harvesting utilize a dependable ball and seat system \u003cstrong\u003e- a simple automatic system that does not rely on mechanical parts or manual intervention.\u003c\/strong\u003e\n\t\u003c\/p\u003e\n\t\u003cp\u003eAs the water level rises in the diverter chamber the ball floats, and once the chamber is full, the ball rests on a seat inside the diverter chamber preventing any further water entering the diverter. The subsequent flow of water is then automatically directed along the pipe system to the tank.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0924\/5347\/0495\/files\/first_flush_png.png?v=1748355967\"\u003e\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0924\/5347\/0495\/files\/dwd_legend_jpg.jpg?v=1748355970\"\u003e\n\t\u003c\/p\u003e\n\t\u003cp\u003eFor a water diverter to work effectively,\u003cstrong\u003e the contaminated water in the chamber must be sealed off\u003c\/strong\u003e. This prevents the water passing to the storage tank and ensure the water does not \"siphon\" off the contaminated water in the chamber. The simplest and surest way to do this is with a floating ball and seat.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cstrong\u003eA slow release valve ensures the chamber empties itself after rain and resets automatically.\u003c\/strong\u003e The diverted water need not be wasted water because the drain pipe from the diverter chamber can be fitted to a standard drip irrigation system.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cstrong\u003e*Not recommended for winter climates*\u003c\/strong\u003e\n\t\u003c\/p\u003e\n\t\u003ch3\u003e\u003cspan style=\"font-size: 16px;\"\u003eHOW MUCH WATER TO DIVERT?\u003c\/span\u003e\u003c\/h3\u003e\n\t\u003cp\u003eIt is important to prevent heavy sediments and other roof pollutants from entering the rainwater tank. The amount of water diverted should be \u003cstrong\u003ea minimum of 5 gallons\u003c\/strong\u003e per 1000 square feet of roof area. In calculating the amount of water to divert, consideration can be given to (1) the \u003cstrong\u003esurface area of the roof\u003c\/strong\u003e, and (2) the \u003cstrong\u003eamount of pollutants\u003c\/strong\u003e on the roof and gutters.\n\t\u003c\/p\u003e\n\t\u003cp\u003e As a rule of thumb, the more water that is diverted the better the quality of water in the tank\/cistern.\n\t\u003c\/p\u003e\n\t\u003cp\u003eYou may want to use this online \u003ca href=\"https:\/\/rainharvesting.com.au\/interactive-tools\/first-flush-calculator\/\" target=\"_blank\"\u003e\u003cu\u003e\u003cspan style=\"color: rgb(84, 141, 212);\"\u003eFirst Flush Calculator\u003c\/span\u003e\u003c\/u\u003e\u003c\/a\u003e.\n\t\u003c\/p\u003e\n\t\u003ch4\u003e\u003cspan style=\"font-size: 16px;\"\u003eINSTALLATION INSTRUCTIONS\u003c\/span\u003e\u003c\/h4\u003e1.  Determine the length of Diverter Chamber #4. Consider as a guide that each:\n\t\u003cp\u003e\u003cbr\u003e\n\t\u003c\/p\u003e\n\t\u003cul\u003e\n\t\t\u003cli\u003e3 foot section of 3″ Schedule 40 PVC pipe holds approx. 1.5 gallons of water.\u003c\/li\u003e\n\t\t\u003cli\u003e3 foot section of 4″ Schedule 40 PVC pipe holds approx. 2 gallons of water.\u003c\/li\u003e\n\t\u003c\/ul\u003eFit the longest length of pipe possible, making sure the Screw Cap\u003cbr\u003e#10 is at least 6″ from the ground to allow for removal and\u003cbr\u003ecleaning.\n\t\u003cp\u003e\u003cbr\u003e2.  Place the ball Seat #9 into the Tee Junction #6 ensuring the narrow end of the ball seat points down into the Diverter Chamber #4. Apply glue to the Diverter Chamber #4 and fit up against the Ball Seat #9 and hold until the glue sets. (Optional: Use a 45º bend adaptor to allow easier removal of the Screw Cap #10). Glue the Socket #14 to the bottom end of the Diverter Chamber #4.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cbr\u003e3.  Fix the assembled chamber directly to the wall in the desired position using the Wall Brackets.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cbr\u003e4.  Connect a Male \u0026amp; Female (M\u0026amp;F) Elbow #8b (if required) to the\u003cbr\u003eChamber Outlet #8 and connect the downspout #3. Fit an elbow to the InFeed pipe #2 (if required) and connect to the bottom of the selected rain head.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cbr\u003e5.  Select the appropriate Flow Control Valve #11 and insert into the Hose Connector #16, making sure the valve is inserted with the side marked “TOP” still showing. Start by using the Control Washer with the smallest gauge hole (lowest number). Try a larger gauge Washer if experiencing blockages. Place the Filter Screen #13 into position from the outside of the Screw Cap #10 and then attach the Hose Connector #16.\u003cbr\u003eAn extra filter screen that helps stop the Control Valve blocking is\u003cbr\u003eavailable from your local store. Ask for the “Optional Stainless Steel Primary Screen” (Product Code: WDAC02). This filter is fitted in addition to the Plastic Filter Screen #13. To install: After completing step 5, insert the Keeper Ring #1a into the Screen Cap #10 and then place the Optional Stainless Steel Primary Screen on top of the Keeper Ring #1a. Proceed to step 6.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cbr\u003e6.  Place the Sealing Ball #5 into the Diverter Chamber #4 and attach the assembled Screw Cap #10 to the Socket #14.\n\t\u003c\/p\u003e\n\t\u003cp\u003e\u003cbr\u003e\n\t\u003c\/p\u003e\n\t\u003ciframe style=\"width: 500px; height: 281px;\" rel=\"width: 500px; height: 281px;\" src=\"https:\/\/www.youtube.com\/embed\/IU_b0uouabU\" frameborder=\"0\" allowfullscreen=\"\"\u003e\n\t\u003c\/iframe\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n\u003c\/div\u003e","brand":"Rain Harvesting","offers":[{"title":"Default Title","offer_id":50964796539167,"sku":"WDDS99","price":51.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/5347\/0495\/files\/3_first_flush.jpg?v=1771001844","url":"https:\/\/rainbrothers.com\/products\/downspout-first-flush-water-diverter-kit-4","provider":"Rain Brothers LLC","version":"1.0","type":"link"}