Joule Cyclone Plus Indirect Slim 90–210L Unvented Hot Water Cylinder

Joule Cyclone Plus Indirect Slim 90–210L Unvented Hot Water Cylinder

The Joule Cyclone Plus Indirect Slim range (90L, 120L, 150L, 180L, 210L) delivers premium mains-pressure hot water for homes and apartments where installation space is a challenge. With a reduced diameter of just 475mm, these slimline cylinders fit narrow cupboards and tight plant rooms without compromising performance, recovery speed, or durability.

Key Features:

• Slimline footprint (475mm diameter) – ideal for restricted spaces or retrofit projects
• Indirect coil design – heated by boiler or compatible heat source, plus supplied with factory-fitted electric immersion backup
• Fast heat recovery smooth-tube coil – provides rapid hot water at mains pressure
• Duplex stainless steel cylinder – high corrosion resistance, longevity, and reliability
• Comprehensive installer pack – includes Caleffi safety group, expansion vessel, temperature & pressure relief valve (T&P), and 22mm plastic tundish
• Dense polyurethane insulation (CFC/HCFC free, ODP 0, GWP 1) for superior energy efficiency and minimal standing losses
• Modern white outer case for a clean look and easy maintenance
• 25-year cylinder warranty; 2 years on controls/components

Technical Specifications (typical range):

• Capacities: 90L, 120L, 150L, 180L, 210L
• Diameter: approx. 475mm; Height varies (120L: ~1205mm; 210L: ~1750mm)
• Weight (empty/full): 120L ~26/146kg; 210L ~42/255kg
• Coil: high-efficiency, smooth tube design for rapid, even heating; supports both traditional boilers and renewables
• Immersion heater: factory-fitted, 3kW, for backup hot water
• Maximum mains water pressure: up to 10 bar (3.5 bar working with supplied controls)
• Tested to BS EN 12897:2006

Other Details:

• Supplied with full installation kit: compression connections, expansion vessel, safety group
• Front access for easy maintenance and plumbing
• Suitable for new builds and upgrades; WRAS approved and Building Regulations compliant

Why Choose Cyclone Plus Indirect Slim?

Select the Joule Cyclone Plus Indirect Slim cylinder for best-in-class hot water delivery, space-saving flexibility, and the proven durability of UK’s number one brand. Perfect for installers and homeowners specifying hot water in apartments, small homes, and tight utility cupboards.

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