Zilmet ZEP-1 Thermal Expansion Tank for Tankless Water Heaters

Most tankless water heater manufacturers require a thermal expansion tank with their water heaters when a backflow preventer is required. The compact ZEP-1 is the perfect solution for providing thermal expansion protection in tight places. Stainless steel construction and NSF 61 certified.

• UV resistant and approved for outdoor installation
• Entire tank is constructed of 304 stainless steel
• Air charge can be adjusted and is serviceable
• Tank has a 50 PSI factory precharge
• NSF61 Certified
• Specifications
• Installation
• Installation II