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Vent-Axia Optimax Combination Storage Heaters – storage heater and convector heater combined!
Posted by sparksdirect in ask Mr Sparks, guest expert, heaters, new technologies, promotions, technical data, website update on October 18, 2011
The new range of Combination Storage Heaters from Vent-Axia combine the benefit of a domestic storage heater and a convector heater in one casing. The storage heater offers controllable heat around the clock utilising low tariff electricity, while the convector heater can be switched on at any time to offer additional heat when required. The manual models charge throughout the low tariff period. The automatic models incorporate an ambient thermostat which optimises the charge to suit room conditions, typically saving an additional 15% in energy costs.
The Vent-Axia Combination Storage Heaters are compact and aesthetically pleasing. Their attractive neutral finish blends in with furnishings. The controls are conveniently positioned on top of the storage heater for ease of use. Once the optimum settings are selected, no further adjustment is necessary. Then just sit back and enjoy comforting warmth day after day after day.
Vent-Axia Optimax Combination Storage and Convector Heaters
- Construction Details: Galvanised finish sheet steel base, mounted on plastic snap on feet, supporting double skin front and outer panels. One piece front panel/grille assembly. Colour – Grey White (RAL 9002).
- Internal Details: Storage Core – High density bonded magnetite bricks.
- Heating Element: Incoloy sheathed in units of 850W.
- Thermal Insulation: Microporous silica and resin free mineral wool.
- Supply Connection: Is located at front right hand end of base – accessible by removal of front panel assembly. Hidden cable support straps at rear of heater allow neat supply cable connection from either side of heater.
- Controls: The controls are conveniently positioned on top of the storage heater for ease of use.
- Thermal Safety Cut-Out: Bi-metal – manual reset.
- Combination Heaters – models available:
# the SH1.7CON Vent-Axia VACSH 12 – Vent-Axia Optimax Combination 1.7kW Storage Heater, VACSH 24A storage and convector heater;
# the SH2.5CON Vent-Axia VACSH 18 – Vent-Axia Optimax Combination 2.55kW Storage Heater, VACSH 18A storage and convector heater;
# the SH3.4CON Vent-Axia VACSH 24 – Vent-Axia Optimax Combination 3.4kW Storage Heater, VACSH 24A storage and convector heater.
Dimplex heater: combination of storage and convector heaters, the CXL/CXLS range
Posted by admin in ask Mr Sparks, heaters, new technologies, technical data on January 9, 2009
This range of heaters from Dimplex offers many of the benefits of the popular manual and automatic storage Dimplex heaters but with the addition of a built in top-up convector heater which provides an independent heat source to supplement stored heat in severe weather, or as the sole heating if heat is required unexpectedly – for example in spring or autumn.
The Dimplex CXLS models incorporate the Dimplex Twin Sensor® automatic charging system, ensuring the correct charge is taken regardless of changing weather conditions without the need for user adjustments, and complying with Building Regulations Part L1, which requires all electric storage heaters installed in new build to be fitted with automatic charge controls.
By providing two heaters in one compact case, the Dimplex range of CXL/CXLS saves space, and its smooth curved styling complements XL storage heaters and PLX panel heaters. The top up convector requires its own electrical supply, has full thermostatic control and frost protection facility.
Energy saving features of the Dimplex CXL/CXLS
The Dimplex CXLS heaters range features automatic charge regulator, which automatically adjusts the level of input charge to compensate for changing weather conditions without user intervention.
Dimplex storage and convector heaters features
Provides a continuous source of warmth, primarily from cheap off peak electricity.
- Convector gives completely silent top-up heating.
- Convector thermostat can be set to maintain constant room temperatures and automatically switch on as necessary.
- The CXL Dimplex range storage heater controls and components based on market leading XL range, including reliable manual input control and room temperature boost for optimum use of stored heat.
- Conveniently positioned convector controls on the front panel.
- Lower convector loadings selectable on installation.
- Secure wall fixing for safety.
- Feet may be fitted under carpet or on top of suitable floor covering.
- Simple assembly for flexible positioning and quick installation.
Technical specifications
Internal Details – Storage Heater
- Storage Core
Material: High density bonded magnetite bricks. - Heating Element
Type: Incoloy sheathed in units of 850W. - Thermal Insulation
Type (a) Front and Rear Panels – microporous silica.
Type (b) Top and Ends – resin free mineral wool.
Type (c) Base – calcium silicate slab. - Supply Connection
Located at front right hand end of base – accessible by removal of front panel assembly. Hidden cable support straps at rear of heater allow neat supply cable connection from either side of heater. - Assembly
Remove front panel assembly then front inner skin. Remove internal packing containing elements, position rear layer of bricks, heating elements, and front layer of bricks.
Storage Controls
The control knobs are positioned on the sloping rear top panel of the heater, and are therefore out of sight of young children. The knobs incorporate a cross bar and raised pointer for ease of operation.
- Charge Controller – CXL
Type: Bi-metal, adjustable from zero charge to fully charged condition - Charge Controller – CXLS
Type: Hydraulic close differential room temperature sensing thermostat with external sensor. - Thermal Safety Device
Type: Bi-metal – manual reset. - Damper Control
Type: Bi-metal strip, selection variable from early to late or zero boost.
Internal Details – Convector Heater
- Element
Type: Stitched Ribbon.
Material: Nickel/Chrome/Iron. Element can be de-rated by 50% on installation. - Supply Connection
Located at front left end of heater base. Cable entry at left hand end. Cable support straps at rear of heater allows neat supply connection from either side of heater.
Convector Controls – Located to right of convector air outlet grille.
- (A) Room Temperature Thermostat
Type: Hydraulic, adjustable. - (B) Safety Cut-Out
Type: Bi-metallic, disconnect supply to reset type. - (C) ON/OFF Switch
Type: Single pole incorporating neon which illuminates when switch is in ON position. - (D) Neon
An additional neon illuminates when convector heater is drawing current. - (E) Wall fixing bracket
Please refer to diagram supplied with the heater for wall fixing detail.
Finish
Willow White top, sides and front panel. Contrasting Birch Grey grille, rear heat shield and wall spacer.
Construction Details
Galvanised finish sheet steel base, mounted on steel feet, supporting double skin front and outer panels. One piece front panel/grille assembly and front inner skin remove for brick loading.
Packing
- Case Assembly and Weights
Containing assembled heater case and heating elements. Packed in single carton. - Storage Bricks
Supplied, 2 bricks per pack. Approx brick weight 7.5kg each. (See the table for weight of heater with and without bricks).
| Model | Weight without bricks | Weight with bricks | No. of bricks |
| CXL12/CXLS12 | 19.5kg | 77kg | 8 |
| CXL18/CXLS18 | 24kg | 111kg | 12 |
| CXL24/CXLS24 | 29.5kg | 146kg | 16 |
Shelf – An attractive shelf is available in 3 lengths.
| Model | CXL12/CXLS12 | CXL18/CXLS18 | CXL24/CXLS24 |
| Storage Heater performance Input Rating |
1.7kW | 2.55kW | 3.4k |
| Charge Acceptance | 11.9kWh | 17.85kWh | 23.8kWh |
| Convector Heater performance Maximum Output |
900W | 1450W | 2000W |
| Other outputs available (Set on installation) |
450W | 450W, 1000W | 650W, 1350W |
| Height (A) | 706mm | 706mm | 706mm |
| Width (B) | 565mm | 793mm | 1021mm |
| Depth (C) | 193mm | 193mm | 193mm |
| Height above floor | 88mm | 88mm | 88mm |
| Installed Weight | 77kg | 111kg | 146kg |
You can purchase Dimplex storage and convector heaters – the Dimplex CXL and CXLS series – from our online store, at the Heating and Ventilation section, Heating, Dimplex Heaters. The available models are:
- Dimplex CXL12N heater – Dimplex COMBI 1.7KW STO 0.9KW CON Storage And Convector Heater
- Dimplex CXL 18N heater – Dimplex COMBI 2.55KW STO 1.45KW CON Storage And Convector Heater
- Dimplex CXL24N heater – Dimplex COMBI 3.4KW STO 2KW CON Storage And Convector Heater
All these models from the Dimplex Storage and Convector Heaters are available for in-store pick-up only, after you have placed an order on our website and we confirm the date when you can come and pick them up. The above article was taken from the official description of the Dimplex heaters, and can be found here.
Dimplex slimline storage heaters – the XL and XLS ranges
Posted by sparksdirect in heaters, new technologies, technical data on December 24, 2008
The Dimplex XL and XLS ranges of storage heaters is the UK’s slimmest and most popular storage heaters, offering performance, economy, ultra slim design and maintenance free reliability, having manual & automatic input controls. The XL and XLS series from Dimplex are suitable for a wide range of domestic and commercial applications. The heating level of XL range is adjusted by means of a variable input control, which the occupant sets in line with the changing weather conditions.
The automatic XLS range offers improved comfort, economy and ease of use, with a sophisticated automatic charging system to ensure the level of charge is adjusted to compensate for changing weather conditions without the need for user intervention. At the heart of this system is the patented Twin Sensor®, which meets the requirements of Building Regulations Part L1, which requires all electric storage heaters installed in new build to be fitted with automatic charge controls.
Energy saving features
- XLS range features automatic charge regulator, which automatically adjusts the level of input charge to compensate for changing weather conditions without user intervention.
- Running cost savings of up to 15% can be achieved using automatic controller compared to manual static storage heaters.
XL and XLS Storage heaters features
- Less than 150mm (6″ deep).
- Smooth curved styling.
- Dimplex XL range features manually adjustable charge regulator to control the amount of heat stored during the charge period.
- Room temperature boost control increases heat output when required and may be used automatically or manually.
- Easy to use controls, out of sight of young children.
- Frontal grille for efficient heat distribution.
- Secure wall fixings for safety.
- Feet may be fitted under carpet or on top of a suitable floor covering.
- Matches the PLX range of panel heaters.
- Compatible with all off peak tariffs.
- Drip proof construction (IPX2 rated).
Technical specifications
Construction Details – Galvanised finish sheet steel base, mounted on steel feet, supporting double skin front and outer panels. One piece front panel/grille assembly and front inner skin remove for brick loading.
Internal Details
- Storage Core
Material: High density bonded magnetite bricks. - Heating Element
Type: Incoloy sheathed in units of 850W. - Thermal Insulation
Type (a) Front and Rear Panels – microporous silica.
Type (b) Top and Ends – resin free mineral wool.
Type (c) Base – calcium silicate slab. - Supply Connection
Located at front right hand end of base – accessible by removal of front panel assembly. Hidden cable support straps at rear of heater allow neat supply cable connection from either side of heater. - Assembly
Remove front panel assembly then front inner skin. Remove internal packing containing elements, position rear layer of bricks, heating elements, and front layer of bricks.
Controls
The control knobs are positioned on the sloping rear top panel of the heater, and are therefore out of sight of young children. The knobs incorporate a cross bar and raised pointer for ease of operation.
- Charge Controller – Dimplex XL
Type: Bi-metal, adjustable from zero charge to fully charged condition - Charge Controller – Dimplex XLS
Type: Hydraulic close differential room temperature sensing thermostat with external sensor. - Thermal Safety Device
Type: Bi-metal – manual reset. - Damper Control
Type: Bi-metal strip, selection variable from early to late or zero boost.
| Storage Heater Model | Dimension A | No. of Slots |
| XL12/XLS12 | 542 mm | 4 |
| XL18/XLS18 | 770 mm | 5 |
| XL24/XLS24 | 998 mm | 6 |
Packing
- Case Assembly and Weights
Containing assembled heater case and heating elements. Packed in single carton. - Storage Bricks
Supplied, 2 bricks per pack. Approx weight of brick 7.5kg each. (See below for weight of heater with and without bricks).
| Storage Heater Model | Weight without bricks |
No. of bricks |
Weight with bricks |
| XL12/XLS12 | 20kg | 8 | 76kg |
| XL18/XLS18 | 26kg | 12 | 109kg |
| XL24/XLS24 | 32kg | 16 | 144kg |
IP Rating
Drip-proof IPX2.
Finish
Front panel, sides and top panel – Willow White; rear heat shield, wall spacer and grille – contrasting Birch Grey.
Shelf – An attractive shelf is available in 3 lengths.
These details were taken from the specifications Dimplex has on the Storage Heaters. On our website, you can purchase slimline storage heaters from Dimplex, the XL and XLS series, at the Dimplex Heaters section under Heating, Heating and Ventilation.


