{"product_id":"tt-flex-potable-thermal-expansion-tank-2-1-gal-3-4-in-mnpt","title":"TT FLEX Potable Thermal Expansion Tank, 2.1 Gal, 3\/4 in MNPT","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe TT FLEX Potable Thermal Expansion Tank is designed for closed-loop heating or cooling systems. It helps absorb expansion caused by temperature changes, protecting pumps, valves, and fittings from stress and reducing the risk of leaks in confined mechanical spaces. This solution is especially useful where the system heats or cools fluid within a compact footprint.\u003c\/p\u003e\u003cp\u003eWith a compact footprint and a practical 2.1 gallon capacity, this tank fits neatly in tight utility rooms, crawlspaces, or closets while still providing meaningful expansion relief for small to mid sized setups. The 3\/4 in MNPT connection is common on many residential and light commercial installations, making it a versatile addition to existing lines.\u003c\/p\u003e\u003ch3\u003eDurable build and materials\u003c\/h3\u003e\u003cp\u003eThe exterior features appliance-grade paint that resists corrosion and scuffs, helping the unit look clean in humid mechanical rooms. Inside, a 100% butyl diaphragm works with a plastic liner to keep system water separate from the air precharge, supporting stable operation over time.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEffective thermal expansion management in closed loop systems\u003c\/li\u003e\n\u003cli\u003eEasy to install thanks to its compact size and straightforward connections\u003c\/li\u003e\n\u003cli\u003eAmple 2.1 gallon capacity for smaller heating or cooling networks\u003c\/li\u003e\n\u003cli\u003eAppliance-grade finish helps resist corrosion and rust over time\u003c\/li\u003e\n\u003cli\u003eHigh quality construction with a 100% butyl diaphragm and plastic liner\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUse cases and placement ideas\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eResidential boilers and radiant floor heating in compact utility rooms\u003c\/li\u003e\n\u003cli\u003eSmall commercial HVAC loops where space is at a premium\u003c\/li\u003e\n\u003cli\u003eRetrofits in existing closed loop installations to manage pressure shifts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn practice, the TT FLEX tank is designed to be installed without complicating the existing layout. The combination of capacity, durable materials, and a simple installation process helps keep maintenance straightforward, while offering flexible expansion management for everyday use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What systems is the TT FLEX expansion tank designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for closed-loop heating or cooling systems to absorb expansion and protect equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the standout features of this tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 2.1 gallon capacity, 3\/4 in MNPT, appliance-grade finish, and a 100% butyl diaphragm with a plastic liner.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TT FLEX","offers":[{"title":"Default Title","offer_id":47516224127150,"sku":"B09N8TNBVN","price":126.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/tt-flex-potable-thermal-expansion-tank-front-view.jpg?v=1771276078","url":"https:\/\/handyskook.ca\/products\/tt-flex-potable-thermal-expansion-tank-2-1-gal-3-4-in-mnpt","provider":"HandySkook","version":"1.0","type":"link"}