Quantum Water Cylinder - Slimline


A direct-electric water cylinder. Designed and developed in-house, the Quantum cylinder is the ideal partner to the Quantum space heater for a complete heating and hot water system, or as a standalone hot water system for the electrically heated home.

Features and benefits:

  • Unvented cylinder provides high flow rates for efficient hot water delivery ideal for powerful showers and fast-filling baths.
  • Fully compatible with all tap fittings.
  • Best suited somewhere discreet and closed off, such as an airing cupboard.
  • Light and easy to handle for simple installation.
  • Surface mounted thermostats and sensors for easy installation and maintenance/replacement.
  • Supplied complete with inlet safety group and external expansion vessel.
  • All connections accessible from the front.
  • Slimline models are ideal for smaller spaces.
  • Pipework routing optimises internal stratification, thereby maximizing hot water availability.
  • Side hot water draw-off connection, minimizes heat losses through the top of the cylinder.
  • 60 mm of injected polyurethane foam insulation exceeds CHeSS best practice standards for low heat loss and heat recovery. Global Warming Potential: 1 and Ozone Depletion Potential: 0.
  • Completely void-free, including insulation around immersions and thermostats.
  • Recessed immersion heaters and thermostat housings reduces heat loss.
  • Anti-Legionella: Guaranteed self-sterilisation of the cylinder, whilst keeping set temperatures lower during normal operation to help reduce running costs.

Warranty: Parts and labour guarantee on the cylinder vessel for 25-years and two years on other components.

General information




Designed for use in an all electric property with off-peak supply or for use with the future Smart grid (additional components required), intuitive ergonomically designed controls with easy to read display, user adjustable cylinder water temperature and ‘boost’ immersion heater for rapid re-heat, factory fitted with foam insulation for unrivalled heat retention, pre-wired immersion heaters and sensors for easy installation, supplied with factory fitted T&P valve, inlet group, expansion vessel and hose and tundish


Duplex stainless steel inner cylinder LDX2101, HIPS outer casing




1761 x 480 x 480 mm

1387 x 480 x 480 mm


Cylinder vessel (25 years), other components (2 years)

Uniclass 2015

Pr_60_50_20_21 Direct hot water storage cylindersPrimary


S90/37 Direct hot water storage cylinders

S90/370 Direct hot water storage cylinders

Specification data - Direct hot water storage cylinders

Product Reference


Standard product features

Size (w x h):

480 x 1387 mm.

Colour/ Finish:


Technical characteristics:

  • Weight: 22 kg.
  • Construction: Duplex stainless steel LDX2101/ HIPS.
  • Controls: Electronic thermostatic control and integrated thermal cut out.
  • Insulation: 60 mm PU foam.
  • Reheat time: 200 minutes.
  • Tank capacity: 135 litres.
  • Efficiency: 35.1 %.
  • Heat loss: 1.35 kW/ 24 hours.
  • Potable water temperature: 70°C.
  • Sensor type: Surface mounted.

Digital objects

Platform Compatible Version Certified to



Revit 2016


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