{"product_id":"caleffi-na553366-boiler-trim-kit-1-press-with-asse-1012-backflow-preventer-and-4-4-gallon-expansion-tank","title":"Caleffi NA553366 Boiler Trim Kit 1\" Press with ASSE 1012 Backflow Preventer and 4.4 Gallon Expansion Tank","description":"\u003cp\u003eThe Caleffi NA553366 is a 1\" press-connection boiler trim kit that combines near-boiler components with an ASSE 1012 backflow preventer and a 4.4 gallon expansion tank. It is designed to speed up the installation of the boiler-side piping in a hydronic heating system.\u003c\/p\u003e\u003cp\u003eTrim kits group the fill, backflow and expansion functions a residential hydronic boiler needs into a single matched package, reducing the number of separate fittings and press joints on the job. Refer to the technical data sheet for the full list of components included.\u003c\/p\u003e\u003cp\u003eBefore ordering, confirm the 1\" press connection matches your piping and press tooling, and that a 4.4 gallon expansion tank is adequately sized for your system's water volume.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caleffi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e NA553366\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Boiler Trim Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Press\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion Tank Volume:\u003c\/strong\u003e 4.4 gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackflow Protection:\u003c\/strong\u003e ASSE 1012 backflow preventer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e ASSE 1012 (backflow preventer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 8016615578270\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/res.cloudinary.com\/dzhpkjoqj\/Caleffi\/NA553366_CALE-NA553366_8016615578270_TechB.pdf\" target=\"_blank\" rel=\"noopener\"\u003eTechnical Data Sheet\u003c\/a\u003e (PDF)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eSee also: \u003ca href=\"\/collections\/boiler-trim-kits\"\u003eboiler trim kits\u003c\/a\u003e, \u003ca href=\"\/collections\/caleffi-north-america\"\u003eall Caleffi products\u003c\/a\u003e.\u003c\/p\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":50517451374695,"sku":"CALE-NA553366","price":644.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/NA553366_CALE-NA553366_8016615578270.jpg?v=1792424588","url":"https:\/\/www.thehousesupplier.com\/products\/caleffi-na553366-boiler-trim-kit-1-press-with-asse-1012-backflow-preventer-and-4-4-gallon-expansion-tank","provider":"The House Supplier","version":"1.0","type":"link"}