Gledhill PLUIN400OV 400L StainlessLite Plus Indirect Open Vented Hot Water Cylinder

The Gledhill PLUIN400OV is a 400-litre indirect open-vented hot water cylinder from the StainlessLite Plus range, designed for use with conventional gas or oil boilers in open-vented heating systems. It provides efficient domestic hot water storage for larger properties with up to three bathrooms and three separate shower rooms.

Manufactured from high-grade stainless steel with factory-applied insulation, it offers excellent corrosion resistance and reduced heat loss. The high-efficiency corrugated coil ensures fast reheat times, while two 3kW incoloy immersion heaters provide flexible electric backup, including support for economy tariffs.

Key Features

• Designed for open-vented systems with gas or oil boilers
• High-efficiency corrugated coil for fast recovery
• Two 3kW incoloy immersion heaters (on-peak and off-peak)
• Factory-fitted temperature and pressure relief valve (6 bar / 95°C)
• 90° elbow and drain valve supplied as standard
• 25-year manufacturer warranty
• ErP rating B with low heat loss
• Secondary return connection
• Stainless steel construction for long service life
• Suitable for properties with modest to high hot water demand

Benefits

• ✔ Reliable hot water for larger households
• ✔ Fast reheat via corrugated coil technology
• ✔ Electric backup for flexibility and economy tariffs
• ✔ Compact open-vented design for traditional systems
• ✔ Low heat loss improves energy efficiency
• ✔ Corrosion-resistant stainless steel build
• ✔ Easy installation with supplied fittings
• ✔ Long 25-year warranty for peace of mind
• ✔ Supports sustainable PV or economy electricity use

Technical Specifications

• MPN: PLUIN400OV
• Capacity: 393 litres
• Height: 2030 mm
• Diameter: 550 mm
• Weight (empty): 55 kg
• Weight (full): 455 kg
• Heat loss: 87 watts
• ErP rating: B
• Number of immersions: 2
• Heat up time: 90 minutes

What’s in the Box?

1 x Gledhill StainlessLite Plus Indirect 400L Open Vented Cylinder (PLUIN400OV) with factory-fitted T&P relief valve, 90° elbow, drain valve and dual immersion heaters.