Gledhill PLTIN120PP Platinum Indirect 120PP Int Exp Pre-Plumbed Unvented Hot Water Cylinder

The Gledhill PLTIN120PP is a pre-plumbed indirect unvented hot water cylinder from the Platinum PP range, designed to deliver mains-pressure hot water without an external expansion vessel. It features a high-efficiency corrugated StainlessLite Supercoil for rapid recovery times when connected to a conventional boiler.

Suitable for domestic use in new-build or replacement installations, this 120-litre model is pre-plumbed and pre-wired for quicker fitting on site. Manufactured from high-specification duplex stainless steel with 50mm insulation, it offers durability and energy efficiency for trade professionals and homeowners alike.

Key Features

• Pre-plumbed and pre-wired for domestic hot water and two heating zones
• Internal expansion system eliminates need for external vessel
• High-efficiency corrugated tube coil for faster recovery
• Factory-fitted temperature and pressure relief valve (6 bar / 95°C)
• 3kW incoloy immersion heater for primary or back-up heating
• High-specification duplex stainless steel construction
• Floating baffle and lift-up T&P relief valve for easier drain-down
• Aligned tapping positions and 90° elbow for simplified installation
• 50mm high-density insulation for reduced heat loss
• 25-year manufacturer warranty on cylinder (subject to registration)

Benefits

• ✔ Compact design saves space in restricted areas
• ✔ Faster heat-up and recovery than plain tube coils
• ✔ Reduced installation time with factory pre-plumbing
• ✔ Reliable mains-pressure hot water performance
• ✔ Energy-efficient ErP B rating
• ✔ Long-term durability with stainless steel build
• ✔ Easy maintenance with lift-up valve and aligned connections
• ✔ Suitable for sealed or open-vented systems
• ✔ Peace of mind with on-site support warranty

Technical Specifications

• MPN: PLTIN120PP
• Capacity: 106 litres
• Height: 931 mm
• Diameter: 550 mm
• Empty Weight: 28 kg (catalogue lists 38.5 kg)
• Full Weight: 134 kg
• Heat Loss: 39 W
• Heat Up Time: 24 minutes
• Immersion Heater: 1 x 3 kW
• ErP Rating: B
• Material: Duplex stainless steel
• Orientation: Vertical
• Secondary Return: N/A

What’s in the Box?

1 x Gledhill PLTIN120PP Platinum Indirect Pre-Plumbed Unvented Cylinder complete with factory-fitted pre-plumb kit, immersion heater, T&P relief valve, and associated components.