Gledhill PLUDR300S 300L Stainless Lite Plus Solar Direct Unvented Hot Water Cylinder

The Gledhill PLUDR300S is a Stainless Lite Plus Solar unvented direct cylinder with 300 litre nominal capacity, purpose-built for solar thermal systems. It delivers mains-pressure hot water via a dedicated high-performance solar coil and includes a 3kW incoloy immersion heater for secondary or backup use.

Ideal for UK homes with solar panels seeking efficient domestic hot water storage, this vertical floor-mounted duplex stainless steel cylinder suits both new installations and replacements where solar input is required. The unit features high-density HCFC-free insulation for low heat loss and is covered by a 25-year warranty.

Key Features

• Specifically designed for use with solar thermal panels
• Corrugated solar coil maximises heat transfer
• 3kW incoloy 825 immersion heater supplied
• Direct electrically heated model with solar coil
• High specification duplex stainless steel construction
• High-density HCFC-free Envirofoam insulation
• Secondary return connection
• 25-year warranty

Benefits

• ✔ Maximises solar energy contribution to hot water
• ✔ Provides strong mains pressure without a loft tank
• ✔ Reliable backup heating via immersion
• ✔ Low heat loss for energy efficiency
• ✔ Corrosion-resistant duplex stainless steel
• ✔ Suitable for properties with solar thermal systems
• ✔ Easy integration with standard solar setups
• ✔ Long-term peace of mind with extended warranty

Technical Specifications

• MPN: PLUDR300S
• Capacity: 300 litres (nominal) / 287 litres (actual)
• Diameter: 550 mm
• Height: 1990 mm
• Weight (empty): 43 kg
• Weight (full): 330 kg
• Material: Duplex stainless steel
• ErP Rating: C
• Orientation: Vertical
• Mounting: Floor
• Warranty: 25 years

What’s in the Box?

1 x Gledhill Stainless Lite Plus Solar Unvented Direct Cylinder PLUDR300S with 3kW immersion heater, cold water inlet controls, pressure & temperature relief valve, expansion vessel and fittings.