Gledhill PLUDR210S 210L StainlessLite Plus Solar Direct Unvented Hot Water Cylinder

The Gledhill PLUDR210S is a StainlessLite Plus Solar Direct unvented hot water cylinder designed specifically for use with solar thermal panels. It delivers mains-pressure hot water with a dedicated solar coil and electric immersion backup, ideal for domestic installations where solar input is primary and electricity provides secondary or emergency heating.

Built from high-specification duplex stainless steel with high-density HCFC-free Envirofoam insulation, this 210L model offers low heat loss and a 25-year warranty. It suits trade installers and homeowners replacing or installing solar-compatible unvented cylinders in properties requiring efficient, Building Regulations-compliant hot water storage.

Key Features

• Specifically designed for solar thermal panels with high-performance corrugated solar coil
• Two 3kW Incoloy 825 immersion heaters for secondary and backup heating
• 208L actual capacity with 70L dedicated solar volume
• ErP rating B and low standing heat loss of 62 watts
• Secondary return connection for circulation loops
• High-density HCFC-free Envirofoam insulation
• Duplex stainless steel construction with 25-year warranty
• Maximum inlet pressure 12 bar; pressure reducing valve 3 bar
• Max working pressure solar heat exchanger 6 bar
• Supplied with dual control and overheat thermostats

Benefits

• ✔ Maximises solar heat transfer for efficient renewable hot water
• ✔ Enables off-peak electricity tariffs for cost savings
• ✔ Provides reliable mains-pressure hot water throughout the home
• ✔ Low heat loss reduces energy bills
• ✔ Lightweight empty weight of 34kg for easier handling
• ✔ WRAS-approved materials for potable water safety
• ✔ Complete with essential fittings for straightforward installation
• ✔ Long 25-year warranty for peace of mind
• ✔ Compatible with a wide range of solar thermal systems

Technical Specifications

• MPN: PLUDR210S
• Capacity: 208 litres
• Height: 1494 mm
• Diameter: 550 mm
• Weight (empty): 34 kg
• Weight (full): 242 kg
• ErP Rating: B
• Heat Loss: 62 watts
• Number of Immersions: 2 x 3kW Incoloy 825
• Secondary Return: Yes
• Dedicated Solar Volume: 70 litres

What’s in the Box?

1 x Gledhill StainlessLite Plus Solar Direct 210L Unvented Cylinder (PLUDR210S) with 2 x 3kW Incoloy immersion heaters, tundish, drain valve, compression fittings, dual control and overheat thermostats, and technical literature.