{"product_id":"wessels-nta-20-series-150-asme-cal-code-expansion-tank","title":"Wessels NTA-20 - NTA-20 Series ASME-Rated CAL Code Expansion Tank, 150 PSI","description":"\u003cp\u003eEfficiently manage thermal expansion and stabilize system pressure in your hydronic loops with the \u003cstrong\u003eWessels NTA-20\u003c\/strong\u003e. This high-performance \u003cstrong\u003eASME-rated\u003c\/strong\u003e expansion tank is engineered to handle the demands of commercial heating and cooling applications, ensuring consistent performance and system longevity.\u003c\/p\u003e\u003cp\u003eThe unit utilizes a heavy-duty internal diaphragm that isolates the system water from the tank shell. This design prevents internal corrosion and eliminates common water-logging issues, making the \u003cstrong\u003eNTA-20\u003c\/strong\u003e fully compatible with water and glycol-based mixtures.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASME Certified:\u003c\/strong\u003e Built to meet strict pressure vessel standards for reliable operation at 150 PSI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm Design:\u003c\/strong\u003e Heavy-duty bladder effectively manages expansion while preventing oxygen infiltration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e Internal construction minimizes the risk of tank oxidation, extending the service life of the vessel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia Compatibility:\u003c\/strong\u003e Engineered to function seamlessly with standard water and glycol heating\/cooling mixtures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial boiler rooms, large-scale radiant heating systems, closed-loop chilled water distribution, and multi-zone hydronic HVAC infrastructures requiring Cal Code compliance.\u003c\/p\u003e","brand":"Wessels","offers":[{"title":"Default Title","offer_id":43136633733214,"sku":"NTA-20","price":1359.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/NTA_20_image_3e44c8e5-5162-40be-bbd7-dd9df96a45aa.png?v=1786147327","url":"https:\/\/nationalboilersupply.com\/products\/wessels-nta-20-series-150-asme-cal-code-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}