{"product_id":"evil-energy-3-4-silicone-heater-hose-10ft-sae-j20r3-class-a-60-psi-high-temp-durable","title":"EVIL ENERGY 3\/4\" Silicone Heater Hose 10ft — SAE J20R3 Class-A, 60 PSI, High-Temp Durable","description":"\u003cp\u003e\u003cstrong\u003eEVIL ENERGY's 3\/4\" silicone heater hose is a 10-foot, SAE J20R3 Class-A coolant and heater line built for high-temperature durability and reliable 60 psi working pressure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis premium silicone hose combines braided polyester reinforcement with inner and outer silicone layers to handle demanding temperature swings, resist aging, and extend service life compared with standard EPDM hoses. Sized at a 3\/4\" inside diameter (approximately 19 mm) with a 1-1\/16\" outside diameter, the hose is supplied in a continuous 10-foot length and meets SAE J20R3 Class A specifications for heater applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat temperatures and pressures can this heater hose handle?\u003c\/h3\u003e\n\u003cp\u003eThe EVIL ENERGY silicone heater hose is engineered for extreme environments, performing from -67°F to 356°F (-55°C to 180°C). It supports a working pressure of 60 psi with a burst pressure around 203 psi, offering a secure margin for typical automotive and heating-system use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -67°F to 356°F (-55°C to 180°C)\u003c\/li\u003e\n  \u003cli\u003eWorking pressure: 60 psi\u003c\/li\u003e\n  \u003cli\u003eBurst pressure: approximately 203 psi\u003c\/li\u003e\n  \u003cli\u003eMinimum bend radius: 95 mm to avoid kinking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fluids and systems is this hose suitable for?\u003c\/h3\u003e\n\u003cp\u003eDesigned primarily for heater and coolant lines, this silicone hose safely transports water, coolant, steam, transport air, and mild acids and alkalis. It is ideal for automotive cooling systems, residential or commercial heating piping, and water heater connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible: coolant, water, steam, transport air, weak acids and alkalis\u003c\/li\u003e\n  \u003cli\u003eNot for use with: alcohol, fuels, engine oil, or lubricants\u003c\/li\u003e\n  \u003cli\u003eTypical applications: radiator heater lines, HVAC heater cores, water heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the hose constructed and how does that improve performance?\u003c\/h3\u003e\n\u003cp\u003eThis hose uses braided polyester reinforcement sandwiched between silicone inner and outer layers. The silicone resists hardening, cracking and thermal degradation better than many EPDM alternatives, which helps preserve flexibility and sealing performance over long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner and outer silicone layers resist heat and aging\u003c\/li\u003e\n  \u003cli\u003eBraided polyester provides reinforcement and pressure resistance\u003c\/li\u003e\n  \u003cli\u003eManufactured to SAE J20R3 Class A standards for heater hoses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the hose dimensions and installation tips?\u003c\/h3\u003e\n\u003cp\u003eThe hose ID is 3\/4\" (19 mm) with a standard tolerance of ±0.4 mm and an OD near 1-1\/16\" (27 mm). Supplied as a 10-foot continuous length, cut to fit and use compatible clamps rated for silicone hoses; avoid over-tightening to prevent deformation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter: 3\/4\" (19 mm), tolerance ±0.4 mm\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: ~1-1\/16\" (27 mm), tolerance ±0.4 mm\u003c\/li\u003e\n  \u003cli\u003eLength: 10 feet, cut-to-fit installation\u003c\/li\u003e\n  \u003cli\u003eMinimum bend radius: 95 mm; use clamps designed for silicone hose\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? EVIL ENERGY's 3\/4\" silicone heater hose suits mechanics, DIY car enthusiasts, HVAC professionals, and installers who need a long-lasting, high-temperature hose for coolant and heater lines. If you require a flexible, heat-resistant replacement for factory heater hoses or a robust line for heating appliances, this hose offers reliable performance and clear installation guidance. Note that it’s not intended for fuel, oil, or alcohol service—choose application-appropriate materials for those fluids.\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: Can this hose carry engine coolant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s designed for coolant and heater lines, rated -67°F to 356°F and 60 psi working pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose safe for fuel or engine oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the hose is not suitable for alcohol, fuel, engine oil, or lubricants.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EVIL ENERGY","offers":[{"title":"Default Title","offer_id":48083767558302,"sku":"B0D9LF6C3T","price":52.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/evil-energy-front-packaging-10ft-silicone-heater-hose.jpg?v=1785835922","url":"https:\/\/northtrailauto.ca\/products\/evil-energy-3-4-silicone-heater-hose-10ft-sae-j20r3-class-a-60-psi-high-temp-durable","provider":"North Trail Auto","version":"1.0","type":"link"}