{"product_id":"1804samp45-rain-bird-spray-head","title":"Rain Bird 1804-SAM-P45 4 in. Pop-Up Pressure-Regulating Spray","description":"\u003cp\u003eThe Rain Bird 1804-SAM-P45 is a 4 in. pop-up spray body engineered for consistent, water-saving performance on sloped and mixed-elevation landscapes. It combines a built-in Seal-A-Matic (SAM) check valve with a 45 PSI in-stem pressure regulator to prevent low-head drainage and reduce misting while delivering steady nozzle pressure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuilt-in Seal-A-Matic (SAM) check valve prevents low-head drainage up to 14 ft and eliminates the need for under-head check valves.\u003c\/li\u003e\n\u003cli\u003e45 PSI pressure-regulating stem maintains consistent nozzle pressure for inlet pressures up to 70 PSI, reducing misting and overspray.\u003c\/li\u003e\n\u003cli\u003e4 in. pop-up height; 6 in. body height; 2 1\/4 in. exposed diameter; 1\/2 in. female threaded inlet. No nozzle included.\u003c\/li\u003e\n\u003cli\u003eDurable UV-resistant plastic body with corrosion-resistant stainless-steel spring; all components removable from the top for fast servicing.\u003c\/li\u003e\n\u003cli\u003eCo-molded pressure-activated wiper seal and heavy-duty retract spring provide reliable sealing and retraction across elevation changes.\u003c\/li\u003e\n\u003cli\u003eWorks with Rain Bird spray and rotary nozzles; specify nozzles separately to match radius and spacing requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for residential and commercial irrigation where reliable pressure regulation and anti-drain protection are required. The 1804-SAM-P45 helps conserve water, improves system uniformity, and simplifies maintenance. Refer to Rain Bird technical documents for nozzle selection, flow-rate data, and warranty details.\u003c\/p\u003e","brand":"Rain Bird","offers":[{"title":"Default Title","offer_id":43671754185,"sku":"1804SAMP45","price":11.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/1000x1000_658558928_a707ae63-23b6-4f50-b037-5869587f9f88.jpg?v=1590074163","url":"https:\/\/www.sprinklersupplystore.com\/products\/1804samp45-rain-bird-spray-head","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}