EHC Neptune 210L Indirect Unvented Stainless Steel Cylinder

EHC Neptune Indirect Unvented Stainless Steel Cylinder 120–300L

The EHC Neptune Indirect Unvented Stainless Steel Cylinder range (120L, 150L, 180L, 210L, 250L, 300L) is a premium, high-performance hot water storage solution built from Duplex stainless steel for excellent corrosion resistance and long service life. Designed for use with unvented system boilers, it delivers safe, efficient mains pressure hot water with fast recovery and low heat loss for domestic and commercial settings.

Key Features:

• Durable Duplex stainless steel construction for superior corrosion resistance
• Energy-efficient insulation with environmentally friendly foam for minimal heat loss
• High-performance quick recovery coils allow rapid access to hot water when needed
• Includes external expansion vessel to accommodate water expansion and reduce maintenance
• 3kW electric immersion heater included for backup heating or off-peak usage
• Operates efficiently at 3 bar pressure, suitable for high flow rate applications
• Pre-fitted safety and control devices including inlet control set, temperature and pressure relief valve, and acetal tundish
• 450mm diameter and compact height for easier installation in tight spaces
• Suitable for a range of boilers: gas, oil, electric, LPG, solid fuel, and solar compatibility
• Thoroughly tested for quality and safety with 15 bar pressure tests and BS approval
• Supplied complete with installation and maintenance instructions

Technical Specifications (Typical Sizing):

Additional Details:

• Pre-assembled inlet control set and safety valve reduce installation time
• Includes acetal tundish and instructions for safe discharge
• Capable of delivering over 50 litres per minute at 3 bar operating pressure
• Recommended minimum pressure and flow needed for optimal performance

Why Choose EHC Neptune Indirect Cylinder?

With its robust stainless steel construction, rapid recovery coil, and comprehensive safety features including external expansion, the EHC Neptune Indirect Cylinder is your ideal choice for reliable, efficient mains pressure hot water storage. Perfect for high-demand domestic and commercial properties, it balances energy efficiency, installer convenience, and a long operational lifespan—backed by thorough testing and quality assurance.

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 most orders
• £4.95 for small items
• £69 for Solar Panels, Batteries and other specialized large items delivery

Express Delivery

UK Mainland

• Delivery Time: 1–3 working days
• Free Delivery
• £4.95 delivery for small items

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