Gledhill PLUIN300 300L Stainless Lite Plus Indirect Unvented Hot Water Cylinder

The Gledhill Stainless Lite Plus Indirect 300L (PLUIN300) is a high-performance unvented hot water cylinder designed for use with conventional gas or oil boilers in sealed or open-vented systems. Manufactured from corrosion-resistant duplex stainless steel, it provides reliable mains-pressure hot water for properties with up to three bathrooms and three separate shower rooms.

Suitable for both domestic new installations and replacements, the cylinder suits trade plumbers and heating engineers seeking a durable, lightweight solution with low heat loss. It features a high-efficiency corrugated tube coil for rapid reheat times and is supplied with a factory-fitted temperature and pressure relief valve set at 6 bar and 95°C.

Key Features

• 300 litre nominal capacity (287 litres actual)
• High-efficiency corrugated coil for fast recovery
• 3kW incoloy immersion heater for emergency back-up (plus additional off-peak immersion on 300L model)
• Factory-fitted T&P relief valve at 6 bar / 95°C
• 90° elbow, flexihose and drain valve supplied
• 25-year manufacturer guarantee
• WRAS and NSF WRC approved
• ErP rating C
• Vertical orientation, 50mm insulation
• Lightest cylinder in its class

Benefits

• ✔ Delivers high-flow mains pressure hot water without a pump
• ✔ Faster reheat than plain-coil cylinders
• ✔ Excellent corrosion resistance and long service life
• ✔ Low standing heat loss for energy efficiency
• ✔ Easy installation with supplied fittings
• ✔ Suitable for sealed or open-vented boiler systems
• ✔ Supports off-peak electricity tariffs on larger models
• ✔ 25-year warranty for peace of mind
• ✔ Ideal for new-build and replacement projects

Technical Specifications

• MPN: PLUIN300
• Brand: Gledhill
• Range: Stainless Lite Plus
• Capacity: 300 litres (287 litres actual)
• Height: 1990 mm
• Diameter: 550 mm
• Weight (empty): 43 kg
• Material: Duplex stainless steel
• ErP Rating: C
• Guarantee: 25 years
• Coil Type: High-efficiency corrugated
• Immersion: 3 kW incoloy (on-peak + off-peak on 300L)
• Max Working Pressure: 6 bar

What’s in the Box?

1 x Gledhill Stainless Lite Plus Indirect 300L cylinder (PLUIN300) complete with 3kW immersion heater(s), T&P relief valve, 90° elbow, flexihose and drain valve.