Direct Cylinder
- Heated by an electric immersion heater only. Not suitable for connection to a Boiler. Unvented Cylinder
- Pressurised unit, fed directly from mains water. No header tank required. The Neptune Cylinder is an unvented hot water storage system which is an ideal compliment to the Fusion & Slim Jim Electric Boiler range. Like all our products, the Neptune Range is manufactured to the highest standard & offers a high performance to suit your needs. The Neptune range provides fast flow rates, energy efficient insulation, quick recovery coils, & the use of an external expansion vessel to reduce maintenance. in addition the 3 bar operation of the unit meets all modern criteria for fast flow applications. The Neptune Indirect cylinder is suitable for providing hot water with all types of boilers: gas, electric, oil, solid fuel & LPG, complete with two 3k W immersion heaters.