Gledhill PLUDR300B 300L Direct Buffer Store Vented Hot Water Cylinder

The Gledhill PLUDR300B is a StainlessLite Plus Direct Buffer Store, a vented duplex stainless steel cylinder designed specifically for use with air or ground source heat pumps. It provides a volume of primary water to increase the overall capacity of the heating distribution system, helping to prevent short cycling of the heat pump in low-load conditions.

Suitable for trade installers and renewable energy projects in domestic properties or small commercial setups, this buffer store is not intended for potable domestic hot water and must only be used with primary circuit water. It features a 25-year guarantee and is manufactured to high standards with HCFC-free insulation for low heat loss.

Key Features

• Open vented duplex stainless steel construction
• Designed for air or ground source heat pumps
• Increases heating system volume to reduce cycling
• Maximum operating pressure 3.5 bar
• ErP rating C with low standing heat loss
• Solar compatible
• Lightweight design for easier handling
• Primary water only – not for DHW
• 25 year guarantee on the vessel

Benefits

• ✔ Optimises heat pump performance and efficiency
• ✔ Prevents short cycling for longer equipment life
• ✔ Compatible with open vented or sealed primary systems
• ✔ Durable corrosion-resistant duplex stainless steel
• ✔ Low heat loss for energy savings
• ✔ Easy integration into renewable heating setups
• ✔ UK manufactured with full technical support

Technical Specifications

• MPN: PLUDR300B
• Capacity: 287 litres (nominal 300L)
• Height: 1990 mm
• Diameter: 550 mm
• Weight (empty): 39 kg
• Weight (full): 326 kg
• ErP Rating: C
• Standing Heat Loss: 2.06 kWh/24h
• Material: Duplex stainless steel
• Maximum Operating Pressure: 3.5 bar

What’s in the Box?

1 x Gledhill PLUDR300B StainlessLite Plus Direct Buffer Store 300L