Gledhill PLUDR400B 400L StainlessLite Plus Direct Buffer Store Vented Cylinder

The Gledhill PLUDR400B is a StainlessLite Plus Direct Buffer Store 400L vented cylinder designed specifically as a buffer vessel for heat pump systems. It provides additional primary water volume to minimise short cycling and improve overall system efficiency.

Manufactured from lightweight duplex stainless steel, this open-vented model is suitable for primary circuit water only and must not be used for potable domestic hot water. It is the lightest cylinder in its class and is compatible with both air source and ground source heat pumps.

Trade professionals and installers will appreciate the straightforward integration into new or replacement heating systems where buffer storage is required.

Key Features

• Open vented duplex stainless steel construction
• Direct model for heat pump applications
• Increases heating system volume and reduces cycling
• Designed for air source or ground source heat pumps
• Lightest cylinder on the market
• ErP rating C
• Nominal 400 litre capacity
• 630 mm diameter and 2030 mm height

Benefits

• ✔ Optimises heat pump efficiency by preventing short cycling
• ✔ Lightweight design simplifies handling and installation
• ✔ Durable duplex stainless steel for long service life
• ✔ Suitable for primary water circuits up to 3.5 bar
• ✔ Compatible with a wide range of heat pump brands
• ✔ Compact footprint for plant room installation
• ✔ Helps meet system volume requirements

Technical Specifications

• MPN: PLUDR400B
• Brand: Gledhill
• Range: StainlessLite Plus
• Type: Direct Buffer Store Vented Cylinder
• Capacity: 393 litres (nominal 400L)
• Height: 2030 mm
• Diameter: 630 mm
• Weight Empty: 51 kg
• Weight Full: 451 kg
• ErP Rating: C
• Heat Loss: 87 watts
• Material: Duplex stainless steel
• Maximum Operating Pressure: 3.5 bar (primary water only)

What’s in the Box?

1 x Gledhill PLUDR400B StainlessLite Plus Direct Buffer Store 400L Vented Cylinder