Redring EW
EW
10 - 15L Unvented Water Storage Heaters
The EW has been designed to provide stored hot water from a mains pressurised water supply, where there’s no
requirement for a temperature/pressure relief device, making installation simple.
Hot water storage.
Key Features
Hot water to up to four outlets I Balanced supply
of hot and cold water I Heat loss minimisation and
energy savings from short pipe runs and superior
insulation I Water outlet via existing tap or mixer I
Adjustable thermostat to 70°C I Compact shape for
undersink mounting I Remote siting possible.
Safety Features Over temperature safety cut-out I Temperature
pressure relief valve I On/off neon light.
Capacities
10 and 15 litre.
Rating
3kW at 240V (2.7kW at 230V).
Outer Casing
White thermoplastic cover.
Insulation
Foamed polyurethane insulation.
Accessories
Separate accessories available.
Water Container Vitreous enamelled steel water container.
Heat Unit
Long-life Incoloy alloy sheathed elements.
Thermostat
Adjustable thermostat to 70°C.
Anode
Replaceable magnesium sacrificial anode.
Pressure
1 - 12bar (above 6bar use cold water controls pack).
Approvals
WRAS Approved Product I BEAB Approved I CE.
Guarantee
1 year product guarantee (UK).
Dimensions
EW10 254mm
EW15 300mm
360mm
360mm
Application
Accessories
Optional Cold Water Pack: A: Expansion vessel (Dia 120mm x H 235mm),
B: Pressure reducing valve, C: Check valve I Additional Accessories:
D: Tundish, E: Thermostatic blending valve.
A
B
C
D
E
NB: Use with water supply pressures above 6bar or where cold water supply pipe is not long enough to
accommodate expansion of hot water, i.e EW15 - Less than 4.5m of 15mm pipe, (EW10 - Less than 3m)
Technical
Heater
variant
EW10
EW15
Operating water pressure 1 - 12bar (above 6bar use cold water pack) I
Replaceable magnesium sacrificial anode I Anode available as spare part I
Inlet/outlet connections 15mm (½” BSP) | Fixing pack with wall mounting
bracket supplied I EW unit needs to discharge to a drain.
Capacity
(litres)
10
15
kW loading
@ 230-240V
2.7 - 3
2.7 - 3
Cable size
guide
1.5mm2
1.5mm2
Fuse rating
guide
13 Amps
13 Amps
Product Range
Product Reference
EW10 Undersink
EW15 Undersink
Optional Cold Water Pack
Tundish
Temp. & Pressure Relief Valve
Thermostatic Blending Valve
Short Code
EW10
EW15
Cat. No
47784501
47784502
87783101
97783236
97783258
87783103
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