{"title":"Rain Bird 1800 SAMP45 Sprays","description":"\u003cdiv class=\"category_desc\"\u003e\n\u003cb class=\"txt-blue-bold\"\u003eSprays with 45 PSI in-stem Pressure Regulation and built-in Seal-A-Matic Check Valve.\u003c\/b\u003e\u003cbr\u003eRain Bird 1800-SAM-P45 Series Spray Heads are ideal for use in areas with changing elevations. The built-in Seal-A-Matic (SAM) check valve saves water by eliminating low head drainage from spray heads located at the base of slopes or hillsides.\u003c\/div\u003e\r\n\u003c!-- split --\u003e\r\n\u003ch4\u003eFeatures\u003c\/h4\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eProvides 45 psi in-stem pressure regulation for maximizing efficiency or Rotary Nozzles.\u003c\/li\u003e\r\n\u003cli\u003eIncludes Seal-A-Matic™ check valve preventing low head drainage of up to 14 feet of head.\u003c\/li\u003e\r\n\u003cli\u003e\"SAM-PRS-45\" stamped on cap for easy identification and maintenance.\u003c\/li\u003e\r\n\u003cli\u003eFive-year trade warranty\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cdiv\u003e\u003cb class=\"txt-blue-bold\"\u003eSpecifications\u003c\/b\u003e\u003c\/div\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eSpacing: 13' to 24'\u003c\/li\u003e\r\n\u003cli\u003ePressure: 25 to 70 PSI\u003c\/li\u003e\r\n\u003cli\u003eRegulates nozzle pressure to an average 45 PSI with inlet pressures of up to 70 PSI\u003c\/li\u003e\r\n\u003cli\u003eSAM capability: Holds up to 14' of head; 6 PSI\u003c\/li\u003e\r\n\u003cli\u003eFlow-by: 0 at 8 PSI or greater; 0.1 GPM otherwise\u003c\/li\u003e\r\n\u003cli\u003eInstallation: bottom inlet only\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eRain Bird Sprinkler Sprays\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003ca title=\"1800 Sprinkler Sprays\" href=\"\/collections\/rain-bird-1800-sprays\"\u003e1800 Sprinkler Sprays\u003c\/a\u003e •\u003ca title=\"1800 PRS Sprinkler Sprays\" href=\"\/collections\/rain-bird-1800-prs-sprays\"\u003e1800 PRS Sprinkler Sprays\u003c\/a\u003e • \u003ca title=\"1800 SAM Sprinkler Sprays\" href=\"\/collections\/rain-bird-1800-sam-sprays\"\u003e1800 SAM Sprinkler Sprays\u003c\/a\u003e • \u003ca title=\"Rain Bird Sprinkler Spray Nozzles\" href=\"\/collections\/rain-bird-1800-spray-nozzles\"\u003eRain Bird Sprinkler Spray Nozzles\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eOther Brands of Sprinkler Sprays\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003ca title=\"Hunter Sprinkler Sprays\" href=\"\/collections\/hunter-sprays\"\u003eHunter Sprinkler Sprays\u003c\/a\u003e •\u003ca title=\"Irritrol Sprinkler Sprays\" href=\"\/collections\/irritrol-sprays\"\u003eIrritrol Sprinkler Sprays\u003c\/a\u003e • \u003ca title=\"Toro Sprinkler Sprays\" href=\"\/collections\/toro-sprays\"\u003eToro Sprinkler Sprays\u003c\/a\u003e •\u003ca title=\"K-Rain Sprinkler Sprays\" href=\"#\"\u003eK-Rain Sprinkler Sprays\u003c\/a\u003e\u003c\/p\u003e","products":[{"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"},{"product_id":"1806samp45-rain-bird-spray-head","title":"Rain Bird 1806SAMP45 6-in 1800 Series SAM-PRS Pop-Up Spray Head","description":"\u003cp\u003eThe Rain Bird 1806SAMP45 6-inch 1800 Series SAM-PRS pop-up spray head delivers consistent, efficient irrigation in areas with variable elevations and fluctuating water pressure. It combines a built-in 45 PSI pressure regulator with the Seal-A-Matic check valve to maintain nozzle performance while preventing low-head drainage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e6 in. pop-up height; body height 9 3\/8 in; exposed diameter 2 1\/4 in.\u003c\/li\u003e\n\u003cli\u003eBuilt-in PRS pressure regulator holds nozzle pressure to an average 45 PSI, optimizing spray performance even when inlet pressure varies.\u003c\/li\u003e\n\u003cli\u003eSeal‑A‑Matic (SAM) check valve prevents low-head drainage up to 14 feet, reducing water waste and landscape erosion.\u003c\/li\u003e\n\u003cli\u003eDesigned for use with Rain Bird plastic spray nozzles; nozzles sold separately. Maintains consistent output if a nozzle is removed or damaged.\u003c\/li\u003e\n\u003cli\u003e1\/2 in. female threaded bottom inlet; top-serviceable design allows easy maintenance without special tools.\u003c\/li\u003e\n\u003cli\u003eConstructed with UV-resistant plastic and corrosion-resistant stainless steel components for long service life.\u003c\/li\u003e\n\u003cli\u003eRecommended operating pressure 25–70 PSI; typical spacing 13–24 ft depending on nozzle selection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for slopes and sites with changing elevations, the 1806SAMP45 reduces water loss and improves system reliability. Use it where consistent pressure and backflow prevention are critical—select the appropriate Rain Bird nozzle for your desired radius and pattern. Documents and tech sheets are available for installers and specifiers.\u003c\/p\u003e","brand":"Rain Bird","offers":[{"title":"Default Title","offer_id":43671763465,"sku":"1806SAMP45","price":26.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/1806SAMP45-2_56747603-1403-46a2-8144-28989e972ef6.jpg?v=1503294823"},{"product_id":"1812samp45-rain-bird-spray-head","title":"Rain Bird 1812-SAM-P45 12 in Pop-Up Pressure-Regulating Spray Head","description":"\u003cp\u003eRain Bird 1812-SAM-P45 12 in pop-up spray head delivers reliable, water-saving irrigation for residential and commercial landscapes. It combines a built-in 45 PSI pressure regulator (P45) with Rain Bird's Seal-A-Matic (SAM) check valve to prevent low-head drainage on slopes and reduce runoff. Designed for durability, the body is constructed from UV-resistant plastic with corrosion-resistant stainless-steel internal components for long service life. No nozzle is included so you can specify the nozzle type and radius that matches each zone.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuilt-in 45 PSI PRS (P45) maintains consistent nozzle pressure for efficient coverage and optimized spray performance.\u003c\/li\u003e\n\u003cli\u003eSeal-A-Matic (SAM) check valve prevents low-head drainage up to 14 ft, saving water and preventing puddling on slopes.\u003c\/li\u003e\n\u003cli\u003e12 in pop-up; 16 in body height; 2-1\/4 in exposed diameter; 1\/2 in female threaded inlet for standard connections.\u003c\/li\u003e\n\u003cli\u003eTop-serviceable design allows quick maintenance without digging; compatible with Rain Bird plastic spray nozzles (nozzles sold separately).\u003c\/li\u003e\n\u003cli\u003eDurable UV-resistant plastic construction and corrosion-resistant stainless-steel parts resist weathering and extend product life.\u003c\/li\u003e\n\u003cli\u003eOperating pressure range 25-70 PSI; recommended spacing varies by nozzle (commonly 13-24 ft).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the 1812-SAM-P45 when you need a high-performing pop-up spray that controls pressure, prevents low-head drainage, and simplifies maintenance. Ideal for sloped terrain, turf, and landscape beds where reliable, efficient irrigation is required.\u003c\/p\u003e","brand":"Rain Bird","offers":[{"title":"Default Title","offer_id":43671770633,"sku":"1812SAMP45","price":32.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/1812SAMP45.jpg?v=1639508168"},{"product_id":"rain-bird-1800-series-spray-heads-select-your-model","title":"Rain Bird 1800 Series Spray Heads — Select Your Model","description":"\u003cp\u003eRain Bird 1800 Series spray heads are the professional choice for reliable landscape irrigation. Built for long service life and flexible system design, the 1800 Series offers multiple pop-up heights, nozzle compatibility, and optional built-in pressure regulation or check-valve functionality to match varied site conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance \u0026amp; range:\u003c\/strong\u003e Operates at 150 to 70 psi (1.04.8 bar) with recommended spacing from 2.5 to 24 feet; flow-by is 0 GPM at 8 psi or greater and 0.10 GPM otherwise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePop-up heights \u0026amp; fit:\u003c\/strong\u003e Available in 2\", 4\", 6\" and 12\" pop-up heights with a 1\/2\" NPT female inlet; choose low-profile or taller bodies to suit turf, shrubs, or slopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure regulation (PRS):\u003c\/strong\u003e Models with PRS maintain a steady outlet pressure (30 or 45 psi), reducing misting, improving nozzle performance and cutting water waste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal-A-Matic (SAM) check valve:\u003c\/strong\u003e SAM-equipped models trap up to 14 feet of head to prevent low-head drainage on slopes and reduce water hammer and system wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability \u0026amp; construction:\u003c\/strong\u003e UV-resistant plastic construction, co-molded wiper seal to resist grit and debris, and a heavy-duty stainless-steel spring for dependable pop-up retraction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility \u0026amp; maintenance:\u003c\/strong\u003e Designed for use with Rain Bird spray nozzles (SQ, U-Series, HE-VAN, VAN, R-VAN and other 10\/12\/15 series nozzles); top-service access simplifies flushing and nozzle changes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you need standard spray performance, built-in pressure regulation, or built-in check-valve protection for sloped sites, the 1800 Series provides proven commercial-grade reliability. Backed by a five-year trade warranty, these spray heads are engineered to reduce maintenance, deliver consistent coverage, and help lower water use when paired with PRS and high-efficiency nozzles.\u003c\/p\u003e","brand":"Rain Bird","offers":[{"title":"Standard \/ 2 in.","offer_id":45547618042165,"sku":"1802P","price":4.52,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 4 in.","offer_id":45547618074933,"sku":"1804R","price":2.7,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 6 in.","offer_id":45555376390453,"sku":"1806NSI","price":9.54,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 6 in. w\/ Side Inlet","offer_id":45547618107701,"sku":"1806","price":10.43,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 12 in. w\/ Side Inlet","offer_id":45547618173237,"sku":"1812","price":17.28,"currency_code":"USD","in_stock":true},{"title":"30 PSI Pressure Regulator \/ 2 in.","offer_id":45547834573109,"sku":"1802PRS","price":9.74,"currency_code":"USD","in_stock":true},{"title":"30 PSI Pressure Regulator \/ 4 in.","offer_id":45547834605877,"sku":"1804PRS","price":8.75,"currency_code":"USD","in_stock":true},{"title":"30 PSI Pressure Regulator \/ 6 in. w\/ Side Inlet","offer_id":45547834638645,"sku":"1806PRS","price":21.03,"currency_code":"USD","in_stock":true},{"title":"30 PSI Pressure Regulator \/ 12 in. w\/ Side Inlet","offer_id":45547834704181,"sku":"1812PRS","price":24.41,"currency_code":"USD","in_stock":true},{"title":"SAM (Seal-A-Matic Check Valve) \/ 4 in.","offer_id":45554754093365,"sku":"1804SAM","price":6.0,"currency_code":"USD","in_stock":true},{"title":"SAM (Seal-A-Matic Check Valve) \/ 6 in.","offer_id":45555376455989,"sku":"1806SAM","price":16.26,"currency_code":"USD","in_stock":true},{"title":"SAM (Seal-A-Matic Check Valve) \/ 12 in.","offer_id":45555266847029,"sku":"1812SAM","price":21.49,"currency_code":"USD","in_stock":true},{"title":"SAM-PRS-30 (Seal-A-Matic Check valve and PRS-30) \/ 4 in.","offer_id":45559621091637,"sku":"1804SAMPRS","price":11.16,"currency_code":"USD","in_stock":true},{"title":"SAM-PRS-30 (Seal-A-Matic Check valve and PRS-30) \/ 6 in.","offer_id":45559621157173,"sku":"1806SAMPRS","price":26.36,"currency_code":"USD","in_stock":true},{"title":"SAM-PRS-30 (Seal-A-Matic Check valve and PRS-30) \/ 12 in.","offer_id":45559621222709,"sku":"1812SAMPRS","price":32.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/files\/ProductsRainBird1800SeriesSprayHeads.png?v=1689138668"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/collections\/1395-T.jpg?v=1591820907","url":"https:\/\/www.sprinklersupplystore.com\/collections\/rain-bird-1800-samp45-sprays\/brand_ships-in-7-10-days.oembed","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}