{"product_id":"armstrong-570139-000-aet-12x33-plain-steel-expansion-tank","title":"Armstrong 570139-000 AET 12x33 Plain Steel Expansion Tank","description":"\u003cp\u003eEfficient thermal pressure management in hydronic heating systems is achieved through the use of the \u003cstrong\u003e570139-000 Armstrong AET 12x33 Expansion Tank\u003c\/strong\u003e. Designed for reliability and durability, this series plays a vital role in maintaining system stability by accommodating the expansion and contraction of fluids during temperature fluctuations.\u003c\/p\u003e\u003cp\u003eThese plain steel expansion tanks utilize advanced engineering to minimize the total system footprint, effectively reducing required tank sizes by up to 80% compared to traditional, bulky tank designs. This streamlined profile allows for easier installation in mechanical rooms where space is at a premium without compromising on pressure control performance.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume Optimization:\u003c\/strong\u003e Dramatically reduces space requirements by up to 80%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Engineered with heavy-duty plain steel for long-term service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Stability:\u003c\/strong\u003e Effectively manages fluid expansion to prevent relief valve discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial and industrial hydronic heating systems, radiant floor heating loops, and closed-loop cooling applications requiring consistent pressure regulation.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43133060644958,"sku":"570139-000","price":748.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/570139_000_image_56c7e5d3-90a6-4d51-9534-cf274f58cdcf.png?v=1786101161","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-570139-000-aet-12x33-plain-steel-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}