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  • Vaillant uniSTOR INDIRECT Unvented Stainless Steel Hot Water Cylinder 125 LITRE
  • Vaillant uniSTOR INDIRECT Unvented Stainless Steel Hot Water Cylinder 125 LITRE
  • Vaillant uniSTOR INDIRECT Unvented Stainless Steel Hot Water Cylinder 125 LITRE
  • Vaillant uniSTOR INDIRECT Unvented Stainless Steel Hot Water Cylinder 125 LITRE

Vaillant uniSTOR INDIRECT Unvented Stainless Steel Hot Water Cylinder 125 LITRE

Reference: PUNISTOR120G3
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The Vaillant uniSTOR Indirect Unvented Stainless Steel Hot Water Cylinder 125 LITRE is part of Vaillant's latest range of high performance, high recovery cylinders. As well as being compatible with Vaillant system and open vent boilers, Vaillant uniSTOR cylinders can add an extra touch of performance when used with any manufacturers boilers. Carrying a 25 year shell guarantee, the Vaillant uniSTOR Indirect Unvented Stainless Steel Hot Water Cylinder 125 LITRE is manufactured from high-grade stainless steel. This cylinder comes packed with features, explained in more detail below.

Why Buy A Vaillant Hot Water Cylinder?



Why Buy Vaillant Cylinders?
  • Vaillant are the industry-leading manufacturer in high-efficiency heating
  • All cylinders carry a 25 year anti-perforation guarantee on the cylinder shell
  • High-grade stainless steel construction
  • All cylinders share a common width of 554mm
  • Equipped with a 3kW back-up immersion heater

uniSTOR Indirect Unvented Cylinder 125 Litres Features:


  • Connections at the front of the cylinder
  • Operation using mains water pressure
  • Flexible integration
  • Cylinder re-charge with 'AquaCondens' to maintain efficiency
  • Simple, easy-to-fit unit for the installer
  • No feed from a cold water storage tank required
  • Underfloor heating systems can be easily integrated
  • Supplied with an expansion vessel, hot and cold water controls, and a 2-port valve

uniSTOR Indirect Unvented Cylinder 125 Litres Technical Specs:



Nominal Capacity (litres)125
Height (mm)969
Width (mm)554
Maximum Water Supply Pressure (bar)10
Expansion Vessel Charge Pressure (bar)4
Operating Pressure (bar)3.5
Pressure Reducing Valve (bar)3.5
Expansion Relief Valve (bar)6.0
T/P Value (°C / bar)95 / 7.0
Maximum Primary Circuit Pressure (bar)2.5
Empty Weight (kg)28
Full Weight (kg)145
Coil Heat Up Time (mins)16.2
EAN Barcode5055804605277

uniSTOR Indirect Unvented Cylinder 125 Litres Dimensions:



Vaillant Cylinder Dimensions
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