{"product_id":"wilkins-34-420xl-075-inch-fr-pvb-fnpt-lead-free","title":"Wilkins 420XL 3\/4-inch Lead-Free Pressure Vacuum Breaker (FNPT)","description":"\u003cp\u003eThe Wilkins 420XL pressure vacuum breaker assembly (model 34-420XL) delivers certified backflow protection for residential irrigation and potable water systems. Engineered for durability, the 420XL pairs a cast bronze, lead-free body with a modular internal design and an integral freeze-relief poppet to reduce freeze-related damage while maintaining reliable anti-siphon protection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompact 3\/4-inch nominal size with female NPT (FNPT) connections for straightforward installation on standard piping.\u003c\/li\u003e\n\u003cli\u003eCast bronze body (ASTM B584) and 300-series stainless steel springs provide corrosion resistance and long service life.\u003c\/li\u003e\n\u003cli\u003eIntegral freeze-relief poppet releases pressure to reduce the risk of freeze damage during intermittent cold conditions.\u003c\/li\u003e\n\u003cli\u003eModular internals and full-port ball valve design simplify maintenance and minimize repair time in the field.\u003c\/li\u003e\n\u003cli\u003eRated for 175 psi working pressure and 140°F maximum temperature; hydrostatically tested to 350 psi for dependable performance.\u003c\/li\u003e\n\u003cli\u003eCertified for potable water use: ASSE 1020, IAPMO\/UPC, CSA and NSF\/ANSI 372 (lead-free).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFactory documentation, repair parts lists, and installation instructions are available for download. The 34-420XL is an ideal choice for irrigation professionals and homeowners who need code-compliant backflow protection with built-in freeze relief and easy serviceability.\u003c\/p\u003e","brand":"Zurn Industries, LLC","offers":[{"title":"Default Title","offer_id":43671929033,"sku":"34-420XL","price":255.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1987\/5531\/products\/34-420XL-2_e28cedac-8af9-45c4-8690-e1b7ad6673b4.jpg?v=1503295358","url":"https:\/\/www.sprinklersupplystore.com\/products\/wilkins-34-420xl-075-inch-fr-pvb-fnpt-lead-free","provider":"Sprinkler Supply Store","version":"1.0","type":"link"}