Gledhill PLTIN120 120L Platinum Indirect Internal Expansion Unvented Hot Water Cylinder

The Gledhill PLTIN120 is a Stainless Platinum Indirect unvented hot water cylinder with internal expansion, ideal for domestic properties with conventional boilers. Manufactured from high-specification duplex stainless steel, it eliminates the need for an external expansion vessel, making it perfect for installations where space is limited.

Suitable for both new installations and replacements in UK homes, this vertical cylinder suits trade installers and DIYers seeking efficient, reliable performance. It includes a high-efficiency corrugated tube coil for faster recovery and a 3kW incoloy immersion heater for backup heating.

Key Features

• Internal expansion vessel design saves space
• High specification duplex stainless steel construction
• Corrugated StainlessLite Supercoil for fast recovery
• Factory-fitted temperature and pressure relief valve (6 bar / 95°C)
• 90° elbow and aligned tappings for quicker installation
• Floating baffle and lift-up T&P valve for easy drain-down
• 50mm insulation and ErP B rating for efficiency
• 3kW incoloy immersion heater included
• 25-year warranty on cylinder (subject to registration)

Benefits

• ✔ Provides powerful mains-pressure hot water without external expansion vessel
• ✔ Faster heat-up times than standard plain-coil cylinders
• ✔ Compact footprint suits restricted plant rooms or airing cupboards
• ✔ Energy-efficient with low standing heat loss
• ✔ Simple, aligned connections reduce installation time
• ✔ Reliable backup heating via immersion element
• ✔ Long-term peace of mind with extended warranty
• ✔ Compatible with sealed or open-vented systems

Technical Specifications

• MPN: PLTIN120
• Nominal Capacity: 120L (actual 106L)
• Height: 931mm
• Diameter: 550mm
• Empty Weight: 28kg
• Full Weight: 134kg
• Heat Loss: 39W
• Heat Up Time: 24 min
• ErP Rating: B
• Immersion Heater: 3kW
• Material: Duplex stainless steel
• Orientation: Vertical

What’s in the Box?

1 x Gledhill Platinum PLTIN120 Indirect Unvented Cylinder with internal expansion, 1 x 3kW immersion heater, temperature & pressure relief valve, tundish, drain valve, dual control & overheat thermostat, 22mm two-port zone valve, and technical literature.