Gledhill SESINPDR170 170L ES Direct Stainless Unvented Hot Water Cylinder

The Gledhill SESINPDR170 is a direct configuration unvented hot water cylinder from the Stainless ES range, delivering 170 litres (nominal, actual capacity approximately 169 litres) of mains-pressure hot water heated by immersion heater(s).

Manufactured from highly corrosion-resistant duplex stainless steel with 40mm insulation, it is value-engineered for competitive pricing while retaining Gledhill’s proven quality. It suits medium-sized homes with moderate to higher hot water demand, providing high flow rates for showers and baths.

Key Features

• Direct electric heating via immersion heater
• Duplex stainless steel inner vessel
• External 12 litre pre-charged expansion vessel
• 3 bar pressure reducing valve with balanced cold supply
• 40mm insulation for reduced heat loss
• ErP rating C
• 25 year cylinder warranty
• WRAS, NSF WRC and HWA approved
• Manufactured to BS EN 12897
• Vertical orientation, plain pipe connections

Benefits

• ✔ Provides strong mains pressure hot water flow without boost pump
• ✔ Corrosion-resistant duplex stainless steel construction
• ✔ Energy efficient with low heat loss
• ✔ Complete G3 unvented kit included
• ✔ Suitable for properties without gas or oil boiler
• ✔ Long 25-year warranty for peace of mind
• ✔ Compact external expansion vessel saves space
• ✔ Fully approved for safety and performance
• ✔ Easy installation with compression fittings

Technical Specifications

• MPN: SESINPDR170
• Capacity: 170 litres (nominal) / 169 litres (actual)
• Height: 1131 mm
• Diameter: 530 mm
• Empty weight: 24 kg
• Full weight: 193 kg
• Immersion heater: 3 kW
• ErP rating: C
• Heat loss: 57 W / 1.37 kWh/24h
• Material: Duplex stainless steel
• Colour: White
• Guarantee: 25 years

What’s in the Box?

1 x Gledhill SESINPDR170 ES Direct 170L Unvented Cylinder, G3 kit (PRV combination valve, expansion vessel & bracket, P&T relief valve, dual thermostat, tundish, 3kW immersion heater with thermostats, literature pack).