Joule Cyclone Air Direct 100–300L Unvented Hot Water Cylinder

Joule Cyclone Air Direct 100–300L Unvented Hot Water Cylinder

The Joule Cyclone Air Direct cylinder range (100L, 125L, 150L, 170L, 200L, 250L, 300L) brings next-generation hot water storage and installers’ favourite features to both domestic and light commercial applications. Precision engineered from Duplex stainless steel and featuring internal expansion and a pre-plumbed cold feed assembly, Cyclone Air Direct sets the benchmark for neat, energy-efficient installation and rapid mains-pressure flow—fully heated by twin factory-fitted immersions.

Key Features:

• Capacities from 100L to 300L – suitable for all property sizes and hot water demand
• Electric direct-only heating – two factory-fitted 3kW immersion heaters included
• Main pressure performance – delivers powerful, rapid hot water to multiple outlets
• Duplex stainless steel construction for maximum corrosion resistance and longevity
• Internal expansion bubble – eliminates need for separate external expansion vessel
• Pre-plumbed cold feed assembly ensures easy, consistent and quality installation
• CFC/HCFC-free PU foam insulation for low heat loss and best-in-class ErP ratings
• Modern “white goods” style outer casing for clean aesthetics and robust protection
• Factory-fitted safety devices – temperature and pressure relief valve set to 95°C/6 bar
• 25-year manufacturer warranty on cylinder; 2 years on electrical/safety components

Technical Specifications (examples):

• Capacities: 100L, 125L, 150L, 170L, 200L, 250L, 300L
• Diameter: approx. 540mm; Height varies by model (e.g., 250L – 1815mm; 300L – up to 2060mm)
• Weight (empty/full): 250L model ~49kg/299kg; 300L model ~55kg/355kg
• Heating: twin immersion elements, 3kW @ 230V each
• Safety temp: factory set at 95°C
• Max working pressure: 3 bar
• Tested to BS EN 12897:2006
• ErP rating: typically B/C depending on size; low standing losses (~44–92W)

Other Details:

• All plumbing connections pre-plumbed and clearly labelled for fast installation
• Supplied with full fitting/safety pack and install instructions
• Suited to new builds, high spec upgrades, or where neat install is demanded

Why Choose Joule Cyclone Air Direct?

Choose the Joule Cyclone Air Direct for high-quality, installer-friendly, and energy-efficient mains pressure hot water storage. With easy-fit components, durable Duplex stainless steel, built-in internal expansion, and generous warranty, it’s the go-to solution for trades and home owners specifying electric-only hot water across the UK.