Rectangular Combination Tanks

Elson offers a vast range of rectangular combination tanks to suit all applications and requirements.  We offer a range of standard sizes and all products can be manufactured to suit a limited space or access requirement.

Direct Electric

Product Description Size (litres)
Maxistore Designed to be mounted at high level to provide gravity hot water, available in three standard sizes. Suitable for use with economy electrical tariffs. 120, 144, 210
Opal Designed to be mounted at high level to provide gravity hot water. Five standard sizes available. Suitable for use with economy electrical tariffs. 115, 135, 160, 180, 225
Pearl Wall-mounted, can be supplied with side or base-entry immersion heater for ease of access, available in four standard sizes. Suitable for use with economy electrical tariffs. 25, 50, 70, 90

Indirect

Product Description Size (litres)
Emerald Incorporates two ball valves providing a separate primary feed cistern and feed and expansion tank. 100, 115, 135, 160, 180
Emerald Express Incorporates two ball valves providing a separate primary feed as in the the Emerald. One standard tank size will replace Elson Sapphire (gravity primary system), Diamond (gravity or fully pumped primary system) and Amethyst (sealed primary system). Capacity suitable for most 2 or 3 bedroom properties. Available for next day delivery.  120
Amethyst Incorporates a secondary feed cistern and suitable for sealed heating systems, district heating systems, central boiler plant or open-vented heating systems where an external feed and expansion tank is provided. 115, 135, 160, 180, 225
Diamond Incorporates both the secondary cold feed cistern and primary feed and expansion tank in one unit. 100, 115, 135, 160, 180, 225
Sapphire Incorporates the secondary water feed cistern and the primary feed and expansion tank in one unit. Suitable for open vented gravity primary systems only. 115, 135, 160, 180

Hot and Cold Water Storage

Product Description Size (litres)
Maxistore Twin A direct electrically heated unit providing gravity hot and cold water. Suitable for use with economy electrical tariffs. 120H/115C, 144H/115C, 210H/115C
Opal Twin Storage Unit Providing gravity hot and cold water. Supplied in two separate units. Suitable for use with economy electrical tariffs. 115H/115C, 135H/115C, 160H/115C, 180H/115C, 225H/115C

Amethyst Twin Storage Unit Providing gravity hot and cold water. Supplied in two separate units. 115H/115C, 135H/115C, 160H/115C, 180H/115C, 225H/115C
600i An indirectly heated unit providing gravity hot and cold water from one unit. Incorporates secondary feed cistern and primary feed and expansion tank. 115H/115C, 135H/115C
600c An indirectly heated unit providing gravity hot and cold water from one unit. Incorporates secondary feed cistern but does not include a primary feed and expansion tank, so suitable for sealed primary heating systems, central boiler plant and district heating schemes 115H/115C, 135H/115C