Gledhill PROIN250PPSP 250L Pro Indirect Pre-Plumbed System Plus Unvented Cylinder

The Gledhill PROIN250PPSP is a 250 litre indirect unvented hot water cylinder from the Pro PP / StainlessLite Pre-Plumbed range, purpose-built for system boilers. It arrives factory pre-plumbed with two heating zones, pump and manifold to speed up installation on new-build sites and ensure consistent pipework across multiple properties.

Manufactured from high-grade duplex stainless steel with 50 mm insulation, the cylinder offers excellent heat retention (ErP C rating) and a 25-year warranty. It suits trade installers and housing developers needing a reliable, plug-and-play solution that complies with Building Regulations G3.

Key Features

• Pre-plumbed with two heating zones and pump for system boilers
• 248 litre actual capacity, 1744 mm high x 550 mm diameter
• Duplex stainless steel construction with 50 mm HCFC-free foam insulation
• Secondary return connection included
• Two 3 kW Incoloy 825 immersion heaters
• Portable expansion vessel and lift-up T&PRV supplied
• 3 bar inlet control group and compression fittings
• Flat top and wide base for improved stability and insulation
• 25-year cylinder warranty
• Fitting template included for rapid site installation

Benefits

• ✔ Reduces on-site labour time with factory pre-plumbing
• ✔ Standardised configuration ideal for multiple dwelling projects
• ✔ Delivers high-flow mains-pressure hot water
• ✔ Low heat loss thanks to thick insulation and ErP C rating
• ✔ Corrosion-resistant duplex stainless steel for long service life
• ✔ Complete with safety devices and controls for G3 compliance
• ✔ Lightweight empty weight of 49 kg aids handling
• ✔ Colour-matched components for neat appearance
• ✔ Secondary return enables efficient hot-water circulation

Technical Specifications

• MPN: PROIN250PPSP
• Capacity: 248 litres
• Height: 1744 mm
• Diameter: 550 mm
• Empty weight: 49 kg
• Full weight: 297 kg
• ErP rating: C
• Heat-up time: 36 minutes
• Insulation thickness: 50 mm
• Maximum inlet pressure: 12 bar
• Working pressure: 6 bar
• Material: Duplex stainless steel

What’s in the Box?

1 x Pre-plumbed Stainless Lite Plus unvented cylinder, 2 x 3 kW Incoloy 825 immersion heaters, portable expansion vessel, lift-up temperature & pressure relief valve, 3 bar inlet control group, compression fittings, 90° elbow on hot draw-off, fitting template and literature.