{"product_id":"armstrong-s-55-1-std-inline-circulating-pump","title":"Armstrong S-55-1 STD Inline Circulating Pump","description":"\u003cdiv\u003e\u003cp\u003eArmstrong S-55-1 STD Cast Iron In-Line Circulating Pump delivers up to 121 GPM at 24 ft of head in a compact inline package designed for hydronic heating, cooling, and domestic water service in commercial systems. It features 3-inch NPT flanges and a 1\/2 HP, single-phase motor compatible with 115\/230 V at 60 Hz and runs at 1,800 RPM. The cast-iron body and inline configuration support installation in circulating loops and multi-zone systems. Common applications include hydronic heating and cooling circuits, domestic water distribution, multi-zone systems, and general industrial service where reliable circulation is required.\u003c\/p\u003e\u003c\/div\u003e","brand":"Armstrong","offers":[{"title":"New","offer_id":46277127635178,"sku":null,"price":1711.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-076.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/armstrong-s-55-1-std-inline-circulating-pump","provider":"GTG Hardware","version":"1.0","type":"link"}