{"product_id":"gp-hi-draw-adj-acid-injector","title":"GP Hi-Draw Adj Acid Injector","description":"\u003cp\u003eA high draw injector pulls chemical faster than a standard downstream injector, which matters when you are running thicker acid or a heavier mix and a normal injector barely sips. This is the General Pump adjustable version: turn the knob to dial the draw rate up or down instead of swapping injectors every time the job changes.\u003c\/p\u003e\n\u003ch3\u003eMatch It to Your Flow\u003c\/h3\u003e\n\u003cp\u003eInjectors are sized by the flow of the machine, not by what you are spraying. Put a 2-3 GPM injector on an 8 GPM machine and you will choke the line and lose pressure; put an 8 GPM injector on a small machine and it will not draw at all.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-3 GPM\u003c\/strong\u003e for smaller contractor and homeowner machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-5 GPM\u003c\/strong\u003e for the typical 4 GPM contractor rig\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-8 GPM\u003c\/strong\u003e for high flow and production machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Runs\u003c\/h3\u003e\n\u003cp\u003eThis is a downstream injector, so it sits after the pump and only draws when the pressure drops. That means it pulls chemical with a black soap nozzle on and stops the moment you switch to a high pressure tip. Nothing corrosive ever goes through the pump, which is the whole point when you are running acid.\u003c\/p\u003e\n\u003cp\u003eRinse the injector with clean water at the end of every acid job. Acid left sitting in the check valve is what kills them.\u003c\/p\u003e\n\u003cp\u003eSee also \u003ca href=\"\/collections\/chemical-injectors\"\u003eall chemical injectors\u003c\/a\u003e and \u003ca href=\"\/collections\/chemical-strainers\"\u003echemical strainers\u003c\/a\u003e. Call \u003ca href=\"tel:+13015199274\"\u003e(301) 519-9274\u003c\/a\u003e to size one.\u003c\/p\u003e","brand":"Sun Brite Supply","offers":[{"title":"2-3 GPM","offer_id":45045191573704,"sku":"5786","price":24.45,"currency_code":"USD","in_stock":true},{"title":"3-5 GPM","offer_id":45045191606472,"sku":"5668","price":24.45,"currency_code":"USD","in_stock":true},{"title":"5-8 GPM","offer_id":45045191639240,"sku":"5730","price":24.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0517\/4827\/4376\/files\/Image_coming_soon_29f9b6f0-05c9-4cf8-806e-9a90444206a2.jpg?v=1775273567","url":"https:\/\/sunbritesupplymd.com\/products\/gp-hi-draw-adj-acid-injector","provider":"Sun Brite Supply","version":"1.0","type":"link"}