Optimum

Optimum Optimum

Optimum

Built with innovative technologies the Optimum range of hot water cylinders have been optimized to meet bespoke demands. The Optimal hot water cylinders provide industry leading efficiency levels.

Product Range

Direct
prostel direct Optimum

Direct

The Optimum range of direct hot water cylinders have been designed to accommodate properties where auxiliary heat sources are not present. Our range of direct hot water cylinders operate using electric to power the inbuilt 3KW immersion heaters. When other heat sources are not present our Optimum direct hot water cylinders are a perfect option. 

Direct Solar
prostel indirect Optimum

Direct Solar

Optimum range of direct solar hot water cylinders allow anyone without any form of back up heating the opportunity to take advantage of solar thermal. The Optimum range of direct solar hot water cylinders are fitted with two immersion heaters to back the solar thermal up. As a result of this our direct solar hot water cylinders provide everyone the ability to capitalise on using the suns natural free energy. 

Indirect
prostel indirect Optimum

Indirect

The Optimum indirect hot water cylinders have been built to work in conjunction with any indirect thermostatically controlled heat source. Contained within our industry leading indirect hot water cylinders lie our highly efficient original coil in coil. As a result of this, the method cannot be replicated by any other. 

Slimline Direct
prostel direct Optimum

Slimline Direct

Optimum range of slimline direct hot water cylinders are designed with a decreased diameter of 475mm. As a result of this, properties that are limited to width, our range of slimline direct hot water cylinders provide an alternative. The slimline direct hot water cylinder has been manufactured as an all-electric unvented cylinder. 

Slimline Direct Solar
prostel indirect Optimum

Slimline Direct Solar

Optimum range of direct solar hot water cylinders allow anyone without any form of back up heating the opportunity to take advantage of solar thermal. The Optimum range of direct solar hot water cylinders are fitted with two immersion heaters to back the solar thermal up. As a result of this our direct solar hot water cylinders provide everyone the ability to capitalise on using the suns natural free energy. 

As a result of this, properties that are limited to width, our range of slimline direct hot water cylinders provide an alternative.

Slimline Indirect
prostel indirect Optimum

Slimline Indirect

Our range of Optimum slimline indirect hot water cylinders are built to work in conjunction with any indirect thermostatically controlled heat source. When there is more height than width available our slimline indirect cylinders are designed to meet the needs of this application. 

Online Tools

User
Dashboard

Easily manage your quotes and bypass filling out long forms when registering your RM Cylinder product warranties. The User Dashboard allows you to have all your details kept in a single place.

Knowledge
Centre

All your product information kept filed in one place. Browse our Knowledge Centre to view and download technical data, install manuals and brochures.

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