Volano UP GBP — 6 Connection Mild-Steel Buffer Tank (Outdoor)

Volano UP GBP is an outdoor-rated buffer tank designed to pair with air-to-water heat pumps and hydronic systems where the unit lives outside. Built in mild steel with a tough technopolymer outer shell, it adds the thermal mass you need to stabilize flow and reduce short cycling while standing up to weather. Key features Outdoor-ready construction – Mild-steel vessel with a durable, UV-resistant technopolymer jacket for exposed installations alongside outdoor heat pumps. 4-connection layout – Two connections for the heat source and two for the system circuit, giving installers straightforward, flexible piping options. Compact, wall-hung design – Vertical, wall-mounted form factor keeps patios and service areas clear while providing easy access for service. Sized for residential and light commercial systems – Available in multiple volumes from ~7–26 gallons, covering typical single-family homes up to larger multi-zone systems. Improves system stability – Adds buffer vol