{"product_id":"amtrol-ex-30-expansion-tank","title":"Amtrol EX-30 Expansion Tank","description":"\u003cp\u003eThe Amtrol EXTROL EX-30 hydronic expansion tank is designed for closed-loop heating systems to control pressure buildup as system water expands and contracts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4.4 gallon tank volume\u003c\/li\u003e\n\u003cli\u003e2.5 gallon maximum acceptance volume\u003c\/li\u003e\n\u003cli\u003e1\/2 in. NPT male system connection\u003c\/li\u003e\n\u003cli\u003e12 PSI factory precharge\u003c\/li\u003e\n\u003cli\u003e100 PSI maximum working pressure\u003c\/li\u003e\n\u003cli\u003e240°F maximum operating temperature\u003c\/li\u003e\n\u003cli\u003eHeavy-duty Butyl\/EPDM diaphragm\u003c\/li\u003e\n\u003cli\u003eHigh-strength steel construction\u003c\/li\u003e\n\u003cli\u003e7-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eManufacturer part number: 389710. Model: EX-30.\u003c\/p\u003e","brand":"Amtrol","offers":[{"title":"Default Title","offer_id":51465603711143,"sku":"389710","price":79.5,"currency_code":"USD","in_stock":false}],"url":"https:\/\/pspsupply.com\/products\/amtrol-ex-30-expansion-tank","provider":"Park Slope Plumbing Supply","version":"1.0","type":"link"}