Gledhill PLTIN180 180L Platinum Indirect Internal Expansion Unvented Hot Water Cylinder

The Gledhill PLTIN180 is a Stainless Platinum 180L indirect unvented hot water cylinder featuring internal expansion, eliminating the need for an external vessel. Manufactured from high-specification duplex stainless steel with high-density HCFC-free Envirofoam insulation, it delivers low heat loss and is designed for use with conventional gas or oil boilers in sealed or open-vented systems.

Suitable for domestic installations in properties with up to three bathrooms, this vertical cylinder provides efficient hot water on demand with a corrugated StainlessLite Supercoil for rapid recovery. Trade professionals and installers benefit from aligned tappings, a 90-degree elbow and factory-fitted components for quicker fitting.

Key Features

• Internal expansion vessel for space saving and faster installation
• High-efficiency corrugated coil for rapid heat recovery
• 3kW incoloy immersion heater for primary or backup heating
• Factory-fitted temperature and pressure relief valve (6 bar / 95°C)
• 50mm high-density insulation for minimal heat loss
• Duplex stainless steel construction with 25-year warranty
• Aligned tapping positions and 90° elbow supplied
• Floating baffle and lift-up T&P valve for easy maintenance
• ErP rating B with 55W heat loss
• Vertical orientation, 550mm diameter

Benefits

• ✔ Eliminates external expansion vessel, saving space and pipework
• ✔ Faster recovery times than plain-tube coils
• ✔ Excellent energy efficiency with low standing heat loss
• ✔ Robust 25-year warranty for long-term peace of mind
• ✔ Quick and straightforward installation with pre-aligned components
• ✔ Suitable for sealed or open-vented boiler systems
• ✔ Reliable mains-pressure hot water performance
• ✔ Includes immersion heater and safety controls as standard
• ✔ Ideal for new builds or replacement in family homes

Technical Specifications

• MPN: PLTIN180
• Capacity: 164 litres
• Height: 1306mm
• Diameter: 550mm
• Empty Weight: 36kg
• Full Weight: 200kg
• Heat Loss: 55 watts
• Heat Up Time: 29 minutes
• Immersion Heater: 3kW incoloy
• ErP Rating: B
• Material: Duplex stainless steel
• Orientation: Vertical
• Secondary Return: N/A

What’s in the Box?

1 x Gledhill PLTIN180 Platinum 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, 90° elbow and installation literature.