Drain hoses play an essential function for furnaces in homes; however, not all materials are designed to remove liquid condensate from these furnaces. The past was when OEMs preferred nitrile or neoprene because of their flame- and oil resistance properties. However, another material swiftly became the preferred choice for draining hoses was EPDM rubber.
Compare TPE vs. EPDM for Sealing and Insulation
Santoprene™ Thermoplastic Elastomers (TPE) and ethylene propylene diene monomer (EPDM) rubber offer insulation and sealing for outdoor use. They can be made into custom-designed shapes or made from extrusions or sheets from sponges or solid materials.