Product Ref: 0004486 / AUSI300XSERP

Free Delivery

Lead times may vary - please check before ordering

€1,045.00 ex VAT
(€1,285.35 inc VAT)

Product Description


300 litres Ultrasteel solar twin coil indirect hot water cylinder uses both solar and conventional heat sources to give you hot water when you need it in an environmentally-friendly way. This stainless steel hot water cylinder connects to a solar thermal system as the primary heat source and a conventional gas, oil or electric boiler as a secondary heat source, giving you reliable supply of hot water whatever the weather.


  • Comes with imperial connections
  • Suitable for use with solar thermal systems available on the market today
  • Dedicated secondary return connection
  • A 3kW immersion heater offers additional back-up heating
  • Made from Duplex stainless steel

Comes with:

  • 3/4" BSP male thread cold feed with dip pipe to diffuser in bottom of cylinder
  • 3/4" BSP male thread hot water outlet
  • Immersion heater
  • 3/4" BSP male thread boiler coil connection
  • 3/4" BSP male thread solar coil connection
  • 1/2" NPT x 15mm Termperature & Pressure relief valve
  • 3/4" BSP male thread secondary return
  • Solar dry stat pocket
  • Boiler dry stat pocket
  • High limit dry stat pocket
  • Complete unvented kit

Not suitable for well water.

If you would like more information on choosing the correct hot water cylinder for your needs please click the following link - Choosing The Correct Hot Water Cylinder


Product Specification

  • Product Code: KING
  • Outlet Size: 3/4''
  • Shipping: Free Delivery
  • Volume: 291ltr
  • Dimensions: H:2055mm
  • Diameter: 550mm

Delivery Terms

Kingspan Tanks - Tail-lift deliveries are available for most tanks up to 2,000 Litre capacities for kerbside delivery.
It is the responsibility of the customer to inform us, if off-loading equipment is required.

Klargester Tanks  - All tanks are delivered on 45ft Flat-bed Articulated Trailers, so off-loading equipment on site is necessary.
HIAB off-loading is available at extra cost, if requested.
It is the responsibility of the customer to inform us, if off-loading equipment is required.

Harlequin Tanks  - Tail-lift deliveries are available for most tanks up to 2,500 Litre capacities for kerbside delivery subject to availability.
It is the responsibility of the customer to inform us, if off-loading equipment is required.

tanks.ie undertakes to attempt to fulfill all orders within a maximum of 7 working days of order acceptance, unless advised otherwise. In the event that any order is delayed, tanks.ie will not be responsible for any consequential loss or damage that this delay may cause.

Smaller items (including most accessories and consumables) will normally be despatched by courier.
Larger items (including all storage tanks) will normally be delivered by carrier. 

Please note that for all items delivered by carrier, normally a truck + 40ft trailer, it is the customer's responsibility to ensure adequate vehicular access and to provide suitable offloading equipment, where required. Please notify us, if this might pose a problem and we will endeavour to facilitate your request. 

Returns Information


In accordance with Irish and European Union consumer laws, you have seven days after receipt of order to cancel the order in its entirety or any part thereof, providing the goods are in a re-saleable condition. Should you wish to cancel any order, you must first contact sales@tanks.ie for a ‘Returns Authorisation Number’.

Please call 051 351325 or e-mail sales@tanks.ie 

After the Returns Authorisation Number has been issued, we will make arrangements with you for the goods to be returned. If you wish tanks.ie to arrange the collection of the goods, please note that a carriage and administration charge will apply, which will not exceed 35% of the gross value of the goods.

Upon return of the cancelled goods to tanks.ie and verification that they are in a re-saleable condition, we will refund the value of the goods, less any collection and administration charges, within 28 days.


If you believe that products you have purchased from tanks.ie are defective, please report this immediately to tanks.ie by e-mail sales@tanks.ie or call 051 351325. 

If they are within the manufacturer’s guarantee period, we will arrange with the manufacturer to replace or repair the goods at the manufacturer’s discretion and consistent with their guarantee. 
Where it is necessary to inspect the goods on site and an inspection proves the fault is neither the fault of tanks.ie, nor the product manufacturer, an inspection charge will apply, which will be advised by the manufacturer prior to site inspection.

Please note that where guarantees are available in excess of those required by law, these are provided at the discretion of the product manufacturer and not tanks.ie. Additionally, tanks.ie will not be liable for any claims for consequential damage or loss.