Joule Cyclone Plus Direct Standard 120–300L Unvented Hot Water Cylinder

Joule Cyclone Plus Direct Standard 120–300L Unvented Hot Water Cylinder

The Joule Cyclone Plus Direct Standard cylinder (120L, 150L, 180L, 210L, 250L, and 300L) is a high-performance, electric-only hot water solution designed for robust UK home and commercial applications. Crafted from top-grade Duplex stainless steel, it ensures fast recovery, low heat loss, and powerful mains pressure hot water to multiple outlets—setting a new standard for efficiency, reliability, and installation convenience.

Key Features:

• Available in 120L, 150L, 180L, 210L, 250L, and 300L capacities to suit any household size or demand
• Direct unvented design – factory-fitted dual immersion heaters for all-electric operation (peak and off-peak options)
• Main pressure hot water output – delivers rapid, high-flow performance to multiple taps and showers
• Premium Duplex stainless steel construction for exceptional durability and corrosion resistance
• Coil-in-coil heat exchanger for maximum heat transfer and efficiency
• Dense CFC/HCFC-free polyurethane foam insulation for minimal heat loss and energy savings (ODP 0, GWP 1)
• Comprehensive controls and safety kit – supplied with all necessary valves, expansion vessel, and tundish
• Modern white outer casing for premium appearance and easy cleaning
• WRAS approved, fully compliant with UK Building Regulations
• 25-year warranty on cylinder, 2 years on all controls and electrical elements

Technical Specifications (range):

• Capacities: 120L, 150L, 180L, 210L, 250L, 300L
• Height: e.g. 120L – ~900mm; 150L – ~1100mm; 180L – ~1280mm; 210L – ~1470mm; 250L – ~1720mm; 300L – ~1980mm
• Diameter: 545mm (all models)
• Empty Weight: 30kg–60kg depending on size
• Full Weight: 146kg–355kg depending on size
• Maximum working pressure: 3.5 bar with supplied controls
• Immersion heaters: Twin, factory-fitted, typically 3kW each
• All plumbing connections identified and easily accessed on cylinder front

Other Details:

• Supplied with all fittings, compression connections, and installation instructions
• Suits new builds, upgrades, and replacement installations
• Specially designed for high-recovery and fast flow performance
• Low maintenance and high reliability for long-term peace of mind

Why Choose Joule Cyclone Plus Direct Standard?

Choose Joule Cyclone Plus Direct Standard for unbeatable performance and reliability in electric hot water. With quality materials, rapid recovery, robust insulation, and premium controls, it’s trusted by UK installers and homeowners for dependability, efficiency, and optimal hot water delivery—backed by an industry-leading warranty.

Please note: Delivery times may vary depending on location, with specific details outlined below.

Standard Delivery

UK Mainland 

• Delivery Time: 2–4 working days
• Free Delivery on all orders

Express Delivery

UK Mainland

• Delivery Time: 1–3 working days
• Delivery fee of £15

Channel Islands

• Postcodes Covered: GY*, IM*, JE* 
• Minimum Order: £50
• Delivery Fee: £70

Northern Ireland, Offshore Territories & Scottish Islands 

• Postcodes Covered: BT*, HS*, KW, ZE
• Minimum Order: £50
• Delivery Fee: £35

Same Day Delivery 

• Eligible Postcodes:
  E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW*
• Minimum Order: £50
• Same Day Delivery Fee: £60
• Special Requests or Locations:
  For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.

Collections

Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.

Collection address: 284 Water Rd, Unit 9, London, HA0 1HX