Gledhill PLUDR090SL 90L Slimline Direct Unvented Hot Water Cylinder

The Gledhill PLUDR090SL is a slimline direct unvented hot water cylinder from the StainlessLite Plus range, designed specifically for properties with limited installation space. Manufactured from high-specification duplex stainless steel, it provides mains-pressure performance with a reduced 475mm diameter while maintaining a 90L capacity.

Suitable for domestic use in smaller homes or older properties, this electric direct model is compatible with mains electricity or photovoltaic panels and benefits from economy tariffs. It offers a 25-year warranty and is the lightest cylinder in its class for easier handling and installation.

Key Features

• Duplex stainless steel construction for corrosion resistance
• Slimline design with 475mm diameter for restricted spaces
• 3kW Incoloy 825 immersion heater as primary heat source
• 50mm HCFC-free EnviroFoam insulation for low heat loss
• Factory-fitted temperature and pressure relief valve
• 90° elbow and drain valve supplied as standard
• ErP rating D / C (varies by source)
• 25-year manufacturer warranty
• Vertical orientation for standard installation
• High flow rate controls for powerful showers and baths

Benefits

• ✔ Enables mains-pressure hot water in space-limited properties
• ✔ Efficient off-peak or renewable electric heating
• ✔ Lightweight design simplifies handling and fitting
• ✔ Long-term durability with 25-year warranty
• ✔ Minimal heat loss for energy savings
• ✔ Complete with essential safety and connection fittings
• ✔ Suitable for new installs or replacements in domestic settings
• ✔ WRAS approved for UK compliance

Technical Specifications

• MPN: PLUDR090SL
• Capacity: 90 litres (nominal 88-91 litres)
• Height: 976mm
• Diameter: 475mm

Weight (empty): 18kg

• Weight (full): 106kg
• Heat up time: 90 minutes
• Number of immersions: 1
• Secondary return: No
• Maximum working pressure: 6 bar
• Insulation thickness: 50mm

What’s in the Box?

1 x Gledhill PLUDR090SL StainlessLite Plus Slimline Direct Unvented Cylinder, 1 x 3kW Incoloy 825 immersion heater, inlet control group, temperature and pressure relief valve, tundish, compression fittings, 90° elbow, drain valve and installation literature.