Gledhill PLUIN400S 400L Stainless Lite Plus Solar Indirect Unvented Hot Water Cylinder

The Gledhill PLUIN400S is a high-specification unvented indirect solar cylinder from the Stainless Lite Plus range, providing mains-pressure domestic hot water for properties with solar thermal panels and a conventional boiler.

Built from duplex stainless steel with 50mm HCFC-free Envirofoam insulation, it delivers reliable performance and energy efficiency for trade installers and larger homes with 3+ bathrooms.

Key Features

• Specifically designed for solar thermal panels with dedicated high-performance solar coil
• Secondary high-efficiency corrugated coil for gas or oil boiler connection
• 3kW incoloy immersion heater for emergency back-up and legionella protection
• 393 litre actual capacity (400L nominal)
• 25-year manufacturer warranty
• ErP rating C
• Secondary return connection included
• High density HCFC-free Envirofoam insulation
• Maximum inlet pressure 12 bar
• WRAS approved construction

Benefits

• ✔ Maximises solar contribution with dedicated solar volume
• ✔ Fast heat-up times via corrugated coils
• ✔ Mains pressure hot water to multiple outlets simultaneously
• ✔ Excellent corrosion resistance with duplex stainless steel
• ✔ Minimal heat loss for lower running costs
• ✔ Suitable for sealed or open-vented boiler systems
• ✔ Easy installation with supplied components
• ✔ Long-term reliability backed by 25-year warranty
• ✔ Compatible with a wide range of solar systems

Technical Specifications

• MPN: PLUIN400S
• Capacity: 393 litres
• Height: 2030 mm
• Diameter: 630 mm
• Weight (empty): 59 kg
• Weight (full): 459 kg
• ErP Rating: C
• Material: Duplex stainless steel
• Insulation: 50 mm HCFC-free Envirofoam
• Secondary return: Yes
• Immersion heater: 3 kW Incoloy
• Max inlet pressure: 12 bar
• Pressure reducing valve: 3 bar
• Warranty: 25 years

What’s in the Box?

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