UK Cylinders 600L FlowCyl Standard Cylinder

UK Cylinders 600L FlowCyl Standard Cylinder (FCHPD4600) is a large‑capacity unvented hot water cylinder designed for high‑demand homes and light commercial properties. Manufactured in the UK from high‑grade Duplex stainless steel and fully insulated, it delivers powerful mains‑pressure hot water with excellent efficiency and reliability.

Key Features

• 600 litre capacity – ideal for multiple bathrooms and heavy simultaneous hot water draw‑off.
• High quality stainless steel – Duplex stainless steel inner vessel for long life and corrosion resistance.
• 50 mm polyurethane insulation – 100% CFC/HCFC‑free foam with a 100% recyclable silver casing for low standing heat losses and a neat plantroom finish.
• Part L compliant – highly insulated to meet current Building Regulations for energy efficiency.
• 25‑year cylinder warranty – backed by a 25‑year manufacturer’s cylinder warranty and 2‑year parts warranty (terms apply).
• WRAS approved, ISO 9001 manufacture – independent approvals and quality‑assured UK production.

Kit Includes

• Cold water inlet control set.
• Two‑port zone valve (typically recommended to be upgraded to a Mut Meccanica Tovo SV for high‑flow heat pump systems).
• High‑limit thermostat.
• Tundish.
• 3 kW immersion heater.
• Temperature and pressure (T&P) relief valve.
• Expansion vessel and wall bracket.

Technical Specifications

Design & Application

• Optimised for use with modern low‑temperature heat sources such as heat pumps, using a large surface‑area primary coil for rapid heat transfer.
• Suitable for larger domestic systems or small commercial/MDU applications requiring high hot water availability at mains pressure.
• Supplied as a complete unvented package for installation by a G3‑qualified engineer in accordance with UK Building Regulations and the manufacturer’s instructions.