Gledhill PLTDR150PP 150L Platinum PP Pre-Plumbed Direct Unvented Hot Water Cylinder

The Gledhill PLTDR150PP is a pre-plumbed direct unvented hot water cylinder from the Platinum PP range, designed for electric heating in UK homes. It delivers reliable mains-pressure hot water with internal expansion, eliminating the need for an external vessel and simplifying installation in restricted spaces.

Suited to domestic new-build or replacement projects where quick fitment and energy efficiency are priorities, the cylinder is manufactured from high-specification duplex stainless steel with 50mm insulation for low heat loss. Trade installers benefit from factory-fitted pre-plumbing including blending valve, aligned tappings and 90° elbow.

Key Features

• Pre-plumbed for domestic hot water storage with blending valve
• Internal expansion via floating baffle – no external vessel required
• Two 3kW incoloy immersion heaters (on-peak and off-peak)
• High-specification duplex stainless steel construction
• 50mm high-density HCFC-free Envirofoam insulation
• Corrugated StainlessLite Supercoil for faster recovery
• Lift-up temperature and pressure relief valve
• 90° elbow and drain valve supplied as standard
• Designed for use with mains electricity or photovoltaic panels
• 25-year cylinder warranty (with registration)

Benefits

• ✔ Space-saving internal expansion for quicker installation
• ✔ Maximises efficiency with off-peak electricity tariffs
• ✔ Low heat loss for reduced running costs
• ✔ Pre-plumbed components speed up on-site work
• ✔ Suitable for properties with 1-2 bathrooms
• ✔ Compatible with economy tariffs and PV systems
• ✔ Robust stainless steel for long service life
• ✔ Factory-tested pre-plumbing for reliability
• ✔ Aligned tappings for neat pipework

Technical Specifications

• MPN: PLTDR150PP
• Capacity: 139 litres
• Height: 1118 mm
• Diameter: 550 mm
• Empty Weight: 33 kg
• Full Weight: 172 kg
• Heat Loss: 48 W
• ErP Rating: C
• Immersion Heaters: 2 x 3 kW incoloy
• Orientation: Vertical
• Material: Duplex stainless steel
• Insulation: 50 mm Envirofoam
• Max Operating Pressure: 6 bar (TPRV set at 6 bar / 95°C)

What’s in the Box?

1 x Gledhill Platinum PP PLTDR150PP pre-plumbed direct unvented cylinder complete with internal expansion, two immersion heaters, blending valve, tundish, 90° elbow, drain valve and factory-fitted pipework.