EHC Neptune 250L Direct Unvented Stainless Steel Cylinder

EHC Neptune Direct Unvented Stainless Steel Cylinder 120–300L

The EHC Neptune Direct Unvented Stainless Steel Cylinder range, available from 120L through to 300L, offers a top-tier, all-electric hot water storage solution designed for UK homes and commercial applications. Built with robust Duplex stainless steel for outstanding corrosion resistance and fitted with energy-efficient insulation and rapid recovery heating coils, it delivers consistent mains pressure hot water with minimal maintenance.

Key Features:

• Durable Duplex stainless steel inner cylinder ensures long life and corrosion resistance
• High-quality polyurethane foam insulation minimises heat loss, achieving an ErP rating of C
• Fast recovery immersion heater(s) typically 3kW, factory-fitted for electric direct heating operation
• Operates safely at 3 bar (regulated by inlet control set) delivering powerful mains pressure hot water
• Pre-fitted safety valves including temperature & pressure relief valve, inlet control set, expansion vessel, and discharge tundish
• Compact dimensions with a diameter of approx. 550mm allowing flexible installation in tight spaces
• Available capacities: 120L, 150L, 180L, 210L, 250L & 300L to suit a wide range of property sizes
• Tested to BS EN 12897:2006 for enhanced quality and safety assurance
• Easy installation with pre-assembled inlet and safety valve sets

Technical Specifications:

Additional Information:

• Requires minimal maintenance and includes all necessary safety and control components
• Suitable for high-demand properties requiring reliable mains pressure hot water
• High flow rates exceeding 50 litres per minute at 3 bar operating pressure
• Comprehensive installation and maintenance instructions provided

Why Choose EHC Neptune Direct?

The EHC Neptune Direct Unvented Stainless Steel Cylinder combines energy efficiency, durability, and installer-friendly features to deliver dependable mains pressure hot water for demanding domestic and light commercial applications. Backed by rigorous testing and a quality assurance commitment, it’s a trusted choice for UK heating professionals and homeowners seeking long-term performance and peace of mind.

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