Gledhill PRODR090 90L 550mm Diameter Stainless Pro Direct Unvented Hot Water Cylinder

The Gledhill PRODR090 is a 90-litre direct unvented hot water storage cylinder from the Stainless Pro range, manufactured in premium duplex stainless steel for corrosion resistance and longevity.

Designed specifically for the contracts market and SAP compliance, it provides mains-pressure hot water without a boost pump and is supplied as a complete G3-compliant package, making it perfect for new installations or replacements in domestic properties.

With 50mm insulation, aligned tappings and a wide stable base, the cylinder offers low heat loss and straightforward fitting for professional plumbers.

Key Features

• 90L (91L actual) capacity direct unvented cylinder
• Duplex stainless steel construction
• ErP rating C with 32W heat loss
• Single 3kW immersion heater (1¾” BSP)
• 22mm cold feed, hot draw-off and connections
• Factory-fitted 95°C / 6 bar P&T relief valve
• External expansion vessel connection
• 50mm insulation, ODP zero / GWP 2
• Height 764mm, diameter 550mm, empty weight 18kg
• 25-year warranty on cylinder

Benefits

• ✔ Delivers high-flow mains pressure hot water for showers and baths
• ✔ Low heat loss reduces running costs
• ✔ Pre-fitted safety devices speed up installation
• ✔ Corrosion-resistant duplex stainless steel for long service life
• ✔ Compact size suits smaller properties and height-restricted spaces
• ✔ G3 Building Regulations compliant package
• ✔ Suitable for economy electricity tariffs
• ✔ Wide base improves stability during install
• ✔ Colour-matched components for neat appearance

Technical Specifications

• MPN: PRODR090
• Capacity: 91 litres
• Height: 764mm
• Diameter: 550mm
• Empty weight: 18kg
• Full weight: 109kg
• ErP rating: C
• Heat loss: 32W / 0.77kWh per 24hr
• Immersion heater: 3kW, 1¾” BSP
• Connections: 22mm cold feed / hot draw-off
• P&T relief valve: 95°C / 6 bar
• Material: Duplex stainless steel
• Insulation: 50mm

What’s in the Box?

1 x Gledhill PRODR090 Stainless Pro 90L Direct Unvented Cylinder complete with factory-fitted controls and G3 safety package.