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The Telford white-cased vented thermal store with solar thermal and sealed boiler coils, official product code TSV200/3114C, is the white-cased version of Telford’s Tristar open-vented thermal store with a boiler and solar coil (TSV200/3114). Heat and Plumb lists this model under the Tristor name. It is a copper thermal store for traditional and renewable heat sources, with both a sealed boiler coil and a solar thermal coil, supplied in a white case, in a 200 litre size. The copper-blue (uncased) version of this model is listed separately.

Telford states that the Tristar vented thermal store is suitable for integrating different heat sources to deliver domestic hot water and space heating, and that this cylinder includes a coil for use with both a sealed boiler and solar thermal (wet panels). It is manufactured in the UK from Grade 3 copper. The official data sheet states that white-cased models are specified by adding C to the end of the product code, and gives TSV200/3114C as the example. Official product literature also states that a cased version is available on request.

Telford states that the store is supplied with a blend valve, a shock arrestor and a factory-fitted 3 kW immersion heater(s), and that a 15 mm (G ½) threaded drain cock boss is fitted. There are direct connections for open-vented stoves and boilers, and the store is for use with an expansion tank above the cylinder. Telford recommends fitting a 3 bar pressure reducing valve on the incoming supply. The cylinder is fully insulated with 50 mm foam and is manufactured in accordance with BS1566:2002 (Part L). Telford states that it supplies mains-pressure hot water and high flow rates, up to 3 bar and 15–18 litres per minute. Telford states a 10 year warranty, subject to terms and conditions.

Key features

• White-cased open-vented thermal store with sealed boiler and solar thermal coils, official code TSV200/3114C
• Grade 3 copper construction, manufactured in the UK, as stated by Telford
• Sealed boiler coil and solar thermal coil (wet panels), as stated by Telford
• Direct connections for open-vented stoves and boilers
• For use with an expansion tank above the cylinder
• Factory-fitted 3 kW immersion heater(s)
• Supplied with a blend valve and shock arrestor, as stated by Telford
• 15 mm (G ½) threaded drain cock boss
• Fully insulated with 50 mm foam to minimise heat loss
• Manufactured in accordance with BS1566:2002 (Part L), as stated by Telford
• Mains-pressure hot water and high flow rates, up to 3 bar and 15–18 litres per minute, as stated by Telford
• 200 litre white-cased size in this listing
• 10 year warranty, as stated by Telford (terms and conditions apply)

Technical specification

Figures below are taken from Telford’s official Tristar open-vented boiler and solar coil data sheet (TSV-3) for TSV200/3114. The official sheet states that white-cased models use the same code with C added, and gives TSV200/3114C as the example. Dimensions are subject to change without prior warning, as stated on that sheet.