{"product_id":"water-worker-4-4-gal-boiler-system-expansion-tank","title":"Water Worker 4.4 Gal. Boiler System Expansion Tank","description":"Water Worker boiler system expansion tank featuring easy installation. Compatible with all types of boiler heating systems. Durable, long lasting steel tank. Safely and effectively controls system pressure. Heavy-duty diaphragm for extended life. Air-tight air cushion is factory pre-charged to 12 psig. Maximum working pressure: 100 psig. Maximum operating temperature: 240 Deg F. 5-year warranty.","brand":"Water Worker","offers":[{"title":"Default Title","offer_id":44992518914282,"sku":"461579","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0005\/3493\/7647\/files\/461579.jpg?v=1742266831","url":"https:\/\/hemlockhardware.com\/products\/water-worker-4-4-gal-boiler-system-expansion-tank","provider":"Hemlock Hardware","version":"1.0","type":"link"}