Gledhill SESINPDR150 150 Litre ES Direct Unvented Stainless Steel Hot Water Cylinder

The Gledhill SESINPDR150 is a direct unvented stainless steel hot water cylinder from the ES range, designed to provide efficient mains-pressure hot water in modern domestic properties using electric immersion heaters.

Suitable for new installations or replacements in homes relying on electricity (including economy tariffs or PV), it offers proven Gledhill technology at a competitive price with full WRAS and NSF WRC approvals.

Manufactured from highly corrosion-resistant duplex stainless steel with 40mm insulation, it ensures long-term durability and reduced heat loss.

Key Features

• Direct heating via two 3kW immersion heaters
• 149 litre actual capacity
• Delivers mains pressure hot water for high flow showers and baths
• 40mm high performance insulation reduces heat loss
• Supplied with external expansion vessel, immersion heaters and control valve pack
• Manufactured from duplex stainless steel
• Full NSF WRC and WRAS approvals
• Plain pipe connections for compression fittings
• Vertical orientation with 530mm diameter
• ErP Class C rating

Benefits

• ✔ No need for a boost pump thanks to mains pressure supply
• ✔ Excellent energy efficiency with 37% rating and low heat loss
• ✔ 25 year manufacturer warranty on the cylinder
• ✔ Compact design saves space in domestic properties
• ✔ Suitable for use with economy electricity tariffs
• ✔ Corrosion resistant duplex stainless steel construction
• ✔ Includes all necessary safety and control components
• ✔ Value engineered for cost-effective performance
• ✔ Easy installation with supplied G3 kit components

Technical Specifications

• MPN: SESINPDR150
• Capacity: 149 Litres
• Height: 1012mm (+80mm draw-off)
• Diameter: 530mm
• Weight Empty: 22kg
• Weight Full: 171kg
• Heat Loss: 52 Watts / 1.24 kWh/24h
• Immersion Heater: 3kW, 240V AC (x2)
• Maximum Working Pressure: 6 Bar
• Pressure Reducing Valve: 3 Bar
• Material: Duplex Stainless Steel
• Insulation: 40mm
• ErP Class: C
• Orientation: Vertical

What’s in the Box?

1 x Gledhill SESINPDR150 ES Direct 150L Unvented Cylinder with 2 x 3kW immersion heaters, 1 x 12L expansion vessel, 1 x temperature & pressure relief valve, 1 x 3 bar inlet control group and associated fittings.