{"product_id":"b0dwb7lcxh","title":"Hydronic Expansion Tank – 2.1 Gallon, 1\/2\" MNPT – Closed-Loop Heating System Expansion Tank – ETX-15 Replacement (Non-Potable Water)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Closed-Loop Hydronic Heating Systems - Engineered for boilers, radiant heat, and other closed-loop systems where thermal expansion must be controlled. Not for domestic potable water.\u003c\/li\u003e\n\u003cli\u003e2.1-Gallon Capacity with Pre-Charge at 12 PSI - Ships factory-pre-charged to 12 PSI for standard hydronic setups. Pressure can be adjusted on-site using the included Schrader valve.\u003c\/li\u003e\n\u003cli\u003e1\/2\" MNPT Connection – Direct ETX-15 Replacement - Features a standard 1\/2\" MNPT system connection commonly used in residential and light commercial heating systems. Compatible as a replacement for ETX-15-type expansion tanks.\u003c\/li\u003e\n\u003cli\u003eDurable Steel Construction with Butyl Diaphragm - Heavy-gauge steel shell and a long-life butyl rubber diaphragm keep water separated from air, preventing corrosion and providing consistent system pressure control.\u003c\/li\u003e\n\u003cli\u003eVertical or Horizontal Mounting Options - Compact 8\" diameter x 12.5\" height size allows easy installation in tight mechanical rooms or equipment areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : Generic\u003c\/li\u003e\n\u003cli\u003eColor : White\u003c\/li\u003e\n\u003cli\u003eStyle : Classic\u003c\/li\u003e\n\u003cli\u003eProduct Dimensions : 8\"L x 8\"W x 12.5\"H\u003c\/li\u003e\n\u003cli\u003ePower Source : No Power Needed\u003c\/li\u003e\n\u003cli\u003eManufacturer : Generic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":" PipePulse","offers":[{"title":"Default Title","offer_id":48144212951288,"sku":"B0DWB7LCXH","price":131.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/4466\/6616\/files\/41FVyMn9cJL._AC_SX679.jpg?v=1774620995","url":"https:\/\/onebuildsupply.com\/products\/b0dwb7lcxh","provider":" PipePulse","version":"1.0","type":"link"}