Gledhill PLUIN300S 300L Stainless Lite Plus Solar Indirect Unvented Cylinder

The Gledhill PLUIN300S is a Stainless Lite Plus Solar Indirect unvented hot water cylinder with 287 litres capacity, specifically engineered for solar thermal systems combined with a conventional boiler. It features a dedicated high-performance corrugated solar coil and a secondary coil for boiler heating, delivering mains-pressure hot water with low standing heat losses.

Ideal for larger UK homes with 3+ bathrooms or high hot-water demand, this floor-standing duplex stainless steel cylinder is suitable for both new-build and replacement installations by qualified installers. The range is based on the proven Stainless Lite platform with high-density HCFC-free insulation.

Key Features

• Specifically designed for use with solar thermal panels
• Corrugated coil to maximise heat transfer from solar input
• 3kW Incoloy immersion heater for emergency back-up
• 90° elbow and drain valve supplied as standard
• Secondary return connection
• High specification duplex stainless steel construction
• High density HCFC free Envirofoam insulation
• 25 year warranty
• WRAS approved
• ErP rating C

Benefits

• ✔ Maximises solar contribution with dedicated 125 litre solar volume
• ✔ Provides efficient mains pressure hot water from renewable and boiler sources
• ✔ Lightweight construction at only 44 kg empty for easier handling
• ✔ Low heat loss of 86 watts for energy efficiency
• ✔ Compatible with a wide range of solar systems and meets Building Regulations when correctly matched
• ✔ Includes immersion heater for back-up heating
• ✔ Corrosion resistant duplex stainless steel for long service life
• ✔ Quick heat up time of approximately 41 minutes

Technical Specifications

• MPN: PLUIN300S
• Capacity: 287 litres
• Height: 1990 mm
• Diameter: 550 mm
• Weight empty: 44 kg
• Weight full: 331 kg
• ErP rating: C
• Heat loss: 86 watts
• Max inlet pressure: 12 bar
• Pressure reducing valve: 3 bar
• Max working pressure solar heat exchanger: 6 bar
• Max working pressure primary heat exchanger: 3 bar
• Number of immersions: 1 (plus dedicated solar coil and boiler coil)
• Secondary return: Yes
• Material: Duplex stainless steel
• Insulation: High density HCFC free Envirofoam

What’s in the Box?

1 x Gledhill Stainless Lite Plus Solar Indirect 300L Unvented Cylinder, 1 x 3kW Incoloy immersion heater, 1 x Cold water inlet PRV combination valve/expansion relief valve, 90° elbow and drain valve.