Quantum Water HC
125L Quantum Water Cylinder QWCd125-580
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125L Quantum Water Cylinder QWCd125-580


125L Quantum Water Cylinder QWCd125-580


125L Quantum Water Cylinder QWCd125-580

The Quantum water cylinder is the world’s most-advanced direct-electric water cylinder. Designed and developed by our own in-house team of experts, 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.

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  • Unvented cylinder give high flow rates for efficient hot water delivery ideal for powerful showers and fast-filling baths.
  • Fully compatible with all tap fittings.
  • 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

Technical Specifications

Cold Water Inlet location22mm stainless steel
Key Features
ControlsElectronic thermostatic control and integrated thermal cut out.
Location of Heat OutputHot water
Reheat Time (mins)122
Tank Full Indicator125
Warranty / GuaranteeInner cylinder - 25 years, Immersion heaters - 2 years (excluding the effects of limescale), Other components - 2 years
Insulation60mm CFC/HCFD free foam
Tank Capacity (litres)125
Product Identification
Product model numberQWCd125-580
Height (mm)945
Weight (kg)24
Width (mm)580
Additional Features
ConstructionDuplex stainless steel inner cylinder, black HIPS/ABS (from 100% recycled materials) outer casing.
Heat Loss in 24 Hours (kW/24hr)0.95
Sensor TypeSurface mounted
Suitable for which room/sBest suited somewhere discreet and closed off, like an airing cupboard.

Manuals & Guides

Instruction manuals
PDF icon QWCd Quantum Cylinder Instructions Issue 1.pdf
May 3, 2017
Download pdf