{"product_id":"evil-energy-1-silicone-heater-hose-10-ft-sae-20r3-class-a-60-psi-67-f-to-356-f","title":"EVIL ENERGY 1\" Silicone Heater Hose 10 ft – SAE 20R3 Class A, 60 PSI, -67°F to 356°F","description":"\u003cp\u003e\u003cstrong\u003eEVIL ENERGY 1\" Silicone Heater Hose is a 10-foot, SAE 20R3–compliant coolant and heater hose built from braided polyester and silicone layers to handle -67°F to 356°F with a 60 psi working pressure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty heater hose is designed for automotive cooling and heating circuits where a resilient, long-lasting alternative to EPDM is required. Its braided polyester reinforcement and silicone inner\/outer skins deliver broad temperature tolerance, improved flexibility, and longer service life. The hose meets SAE 20R3 class A standards, offering predictable performance for coolant, water, steam, and non-aggressive fluids in engine bay and heating applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose perform under high and low temperatures?\u003c\/h3\u003e\n\u003cp\u003eThe EVIL ENERGY silicone construction maintains flexibility and dimensional stability across a wide range of temperatures, from -67°F up to 356°F (-55°C to 180°C). That expansive range reduces cracking in cold starts and hardening at high operating temperatures, making it suitable for seasonal climate swings and elevated under-hood heat.\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\u003eRetains flexibility in subzero conditions\u003c\/li\u003e\n  \u003cli\u003eResists softening and degradation at high temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the size, pressure ratings, and SAE compliance details?\u003c\/h3\u003e\n\u003cp\u003eThis hose is specified with a 1.00\" inner diameter (25.4 mm) and an outer diameter of 1-3\/8\" (34.4 mm), supplied as a 10-foot length. It carries a 60 psi working pressure and a 174 psi burst pressure, and it meets SAE 20R3 Class A requirements for heater and coolant hose uses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eID: 1.00\" (25.4 mm) with ±0.4 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eOD: 1-3\/8\" (34.4 mm) with ±0.4 mm tolerance\u003c\/li\u003e\n  \u003cli\u003eWorking pressure: 60 psi; burst pressure: 174 psi\u003c\/li\u003e\n  \u003cli\u003eMinimum bend radius: 127 mm; length: 10 ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fluids and systems is this silicone heater hose suitable for?\u003c\/h3\u003e\n\u003cp\u003eThe hose is rated for coolant, water, steam, transport air, and weak acidic or alkaline solutions—typical media found in automotive and building heating systems. It is explicitly not intended for fuel, engine oil, alcohols, or lubricants, so avoid using it for fuel systems or oil lines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable: coolant systems, heater cores, water heaters, steam lines, air transport\u003c\/li\u003e\n  \u003cli\u003eNot suitable: gasoline, alcohol-based fluids, engine oil, lubricants\u003c\/li\u003e\n  \u003cli\u003eDesigned for non-aggressive fluids in automotive and HVAC environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and flexible is the hose compared with EPDM alternatives?\u003c\/h3\u003e\n\u003cp\u003eSilicone material combined with braided polyester reinforcement provides extended service life and better thermal tolerance than standard EPDM hoses. The dual silicone skins protect against ozone and heat-related degradation while the braid supports pressure cycling and dimensional stability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstruction: braided polyester fiber with silicone inner and outer layers\u003c\/li\u003e\n  \u003cli\u003eLonger lifespan and wider temperature tolerance versus EPDM\u003c\/li\u003e\n  \u003cli\u003eMaintains shape and resists ozone and heat cracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? EVIL ENERGY’s 1\" silicone heater hose is aimed at DIY mechanics, restoration shops, performance tuners, and HVAC technicians who need a resilient, SAE 20R3–compliant hose for coolant and heating systems. Choose this hose when you require a 10-foot length, wide temperature range, and dependable pressure ratings for non-fuel fluid circuits.\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 rated for coolant and water in automotive heater and cooling systems, with a 60 psi working pressure and SAE 20R3 compliance.\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 oil lines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The silicone heater 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":67587234398393,"sku":"B0D9LDRCTC","price":110.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/evil-energy-front-packaging-1inch-silicone-heater-hose.jpg?v=1790502057","url":"https:\/\/redleafauto.ca\/products\/evil-energy-1-silicone-heater-hose-10-ft-sae-20r3-class-a-60-psi-67-f-to-356-f","provider":"Redleaf Auto","version":"1.0","type":"link"}