{"product_id":"propylene-glycol-5-gallons","title":"Propylene Glycol - 5 gallons","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eSEE ALL OF OUR \u003ca title=\"Radiant Floor Heating\" href=\"https:\/\/www.barnworld.com\/livestock-supplies\/?cat_link=Radiant_Floor_Heating\"\u003eRADIANT HEAT PRODUCTS\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eX500 Inhibited Antifreeze – Radiant Floor \u0026amp; Hydronic Boiler Protection\u003c\/h2\u003e\n\u003cp\u003eSentinel \u003cstrong\u003eX500 Inhibited Antifreeze\u003c\/strong\u003e is a high-performance, propylene glycol–based antifreeze and corrosion inhibitor designed for use in closed hydronic heating systems — including radiant floor installations and electric boilers. It delivers dependable freeze protection while safeguarding all common system metals, including aluminum, copper, and steel, from corrosion, scale, pitting, and hydrogen gas formation. Its non-toxic, colorless formulation is safe to handle and ideal for residential or commercial boilers with radiant floor heating circuits.\u003c\/p\u003e\n\u003ch3\u003eWhy X500 Is the Smart Choice for Radiant Floor \u0026amp; Electric Boiler Systems\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreeze protection:\u003c\/strong\u003e Even in freezing conditions, a properly dosed system remains protected, preventing burst pipes or damaged heat exchangers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion \u0026amp; scale control:\u003c\/strong\u003e Robust inhibitors protect metallic components throughout the system — including heat exchangers, piping, and manifolds — maintaining system efficiency and prolonging service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet, efficient operation:\u003c\/strong\u003e Minimizes boiler noise, reduces risk of hydrogen gas formation, and helps prevent pin-holing and leaks, avoiding costly repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull metal compatibility:\u003c\/strong\u003e Safe for aluminum, copper, steel, and cast-iron components commonly found in radiant floor and electric boiler systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow toxicity \u0026amp; easy handling:\u003c\/strong\u003e Colorless and less hazardous than automotive glycol, making it more appropriate and safer for indoor heating systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended for:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectric boilers are used for radiant floor heating circuits\u003c\/li\u003e\n\u003cli\u003eHydronic boiler systems with closed-loop piping\u003c\/li\u003e\n\u003cli\u003eMixed-metal systems, including aluminum manifolds or heat exchangers\u003c\/li\u003e\n\u003cli\u003eSystems requiring frost protection in cold climates or unheated spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center; margin-top: 2rem; margin-bottom: 2rem;\"\u003e\n\u003ctable style=\"margin: 0 auto; border-collapse: collapse; width: 90%; max-width: 400px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 8px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 8px;\"\u003eValue \/ Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eBase chemical\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003ePropylene Glycol with corrosion \u0026amp; scale inhibitors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eMetals compatibility\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eAluminum, copper, steel, cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eFreezing protection (by volume mix)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e20% — down to ≈ –6 °C (≈ 21 °F),\u003cbr\u003e40% — down to ≈ –28 °C (≈ –18 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eTypical packaging\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003e5 gal jug, 55 gal drum, 275 gal tote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eSolution appearance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 8px;\"\u003eClear, colorless liquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eInstallation \u0026amp; Dosing Overview\u003c\/h3\u003e\n\u003cp\u003eTo ensure long-term protection and system performance, follow these guidelines when using X500 in a radiant floor or electric boiler system:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlush and clean the system before initial fill — especially important for new or recently serviced boilers and radiant floor circuits.\u003c\/li\u003e\n\u003cli\u003eAdd X500 before filling or via a dosing vessel if the system is already full. For a standard residential system (≈ 25 gal), about 5 gallons of X500 will deliver the minimum corrosion-inhibiting concentration.\u003c\/li\u003e\n\u003cli\u003eAdjust the concentration based on expected frost exposure: ~20% protects against mild freezing; ~40% offers robust freeze protection for unheated or exposed areas.\u003c\/li\u003e\n\u003cli\u003eTest inhibitor concentration annually (using a suitable test kit or refractometer) to ensure ongoing corrosion and freeze protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePro Tips for Radiant Floor \u0026amp; Electric Boiler Users\u003c\/h3\u003e\n\u003cp\u003eBecause glycol solutions carry less heat per volume than pure water and have higher viscosity, it’s important to verify that your boiler’s pump and radiant floor loop are correctly sized. For systems using higher glycol concentrations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure your circulator pump has enough head to maintain proper flow.\u003c\/li\u003e\n\u003cli\u003eBalance radiant floor zones carefully — oversizing is preferable to underperformance.\u003c\/li\u003e\n\u003cli\u003eInstall air elimination devices (e.g., micro-bubble air separators) to prevent airlocks and flow problems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSentinel X500 Inhibited Antifreeze delivers reliable, long-term freeze and corrosion protection — making it a dependable choice to safeguard your radiant floor heating system and electric boiler against the elements while preserving performance and efficiency.\u003c\/p\u003e","brand":"Radiant Made Simple","offers":[{"title":"Default Title","offer_id":46915191832821,"sku":"Propylene Glycol - L3-0032 - 5 gallons","price":339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/1347\/1989\/files\/74010_X500L_5L_Anti_Freeze.jpg?v=1764109964","url":"https:\/\/barnworld.com\/products\/propylene-glycol-5-gallons","provider":"Barn World","version":"1.0","type":"link"}