Gledhill PLUHP180S 180L Heat Pump Solar Unvented Hot Water Cylinder

The Gledhill PLUHP180S is a StainlessLite Plus Heat Pump Solar unvented hot water cylinder with 178-litre capacity. It provides mains-pressure domestic hot water when paired with air-source or ground-source heat pumps and solar thermal panels.

Built on the established StainlessLite Plus platform, the cylinder features a high-efficiency multi-pass corrugated stainless steel coil that reduces pressure loss while maximising heat exchange at typical heat-pump flow temperatures of 50–60 °C. A 3 kW Incoloy immersion heater provides emergency back-up and legionella protection.

Key Features

• Designed for air-source or ground-source heat pumps plus solar thermal panels
• High-efficiency corrugated coil maximises heat transfer
• 3 kW Incoloy immersion heater for emergency back-up
• 90° elbow and drain valve supplied as standard
• 25-year manufacturer warranty
• High-density HCFC-free insulation
• Duplex stainless steel construction
• Combination inlet group with pressure-reducing valve and expansion vessel connection

Benefits

• ✔ Optimised for lower-temperature heat-pump operation
• ✔ Maintains high flow rates with minimal pressure drop
• ✔ Provides reliable mains-pressure hot water
• ✔ Solar volume dedicated for thermal panels
• ✔ Simple installation with supplied fittings
• ✔ Long-term corrosion resistance
• ✔ Energy-efficient ErP B rating
• ✔ Suitable for new-build or replacement projects

Technical Specifications

• MPN: PLUHP180S
• Capacity: 178 litres
• Height: 1306 mm
• Diameter: 550 mm
• Weight (empty): 33 kg
• Weight (full): 211 kg
• ErP rating: B
• Heat loss: 55 watts
• HP coil surface area: 1.36 m²
• Dedicated solar volume: 63.5 litres
• Number of immersions: 1
• Secondary return: No

What’s in the Box?

1 x Gledhill StainlessLite Plus Heat Pump Solar 180 Litre Unvented Cylinder (PLUHP180S) including 3 kW Incoloy immersion heater, 90° elbow, drain valve and combination inlet group.