Cabinet Height


Cabinet Width


Cabinet Depth


Hassle-free unvented hot water storage systems, the perfect match to offer the best solution for boiler and cylinder combinations.

The Keston qSpa range of stainless steel unvented indirect cylinders are manufactured to the highest standards, with
8 models in the range and 2 years parts and labour warranty you can be sure the qSpa allies the twin demands of excellent
product quality and outstanding value.

Keston qSpa available models: 9 0, 120, 150, 180, 210, 250, 300 & 400 400

  • 2 year parts and labour and 25 year vessel warranty
  • Duplex stainless steel construction to offer excellent resistance
    to corrosion
  • Global Warming Potential (GWP) of 0.7 provides CFSH benefits
  • Insulated using the latest HCFC free Envirofoam
  • Corrugated heat transfer coil to give 20% faster recovery
    than plain tube
  • Manufactured in accordance with BS EN 12897
  • Complete with all quality fittings according to model
  • Lightweight for ease of installation

qSpa Basic Appliance - supplied

  • Hot water draw off 22mm compression
  • Temperature and pressure relief valve 95˚C/6 bar
  • Hot water secondary return 22mm (not fitted to cylinders
    below 210 litres)
  • Immersion heater 1¾” BSP 3kW
  • Cold supply 22mm compression
  • Dual control/overheat thermostat pocket
  • Boiler control sensor pocket (spare)
  • Primary flow 22mm compression (28mm tails for 400 litre
    model only)
  • Primary return 22mm compression (28mm tails for 400 litre
    model only)

Keston Qspa

NB: Figures are for guidance only and are based on BS6700 recommendations.*Heat up from 15 to 65ºC with constant 82ºC coil flow temperature.

**Reheat times after 70% of tank is drawn off and replaced with 15ºC water. All units are complete with 30-70ºC adjustable thermostat.

qSPA twin figures assume both coils used concurrently. #25 year warranty applies to the stainless steel inner cylinder. Remainder of parts have a two year warranty.