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New from water
heating experts
Redring...
...the latest compact and
versatile electric flow boiler
Powerstream Professional
The Electric Central Heating and Hot Water Boiler
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Innovative heat exchanger design Allows for a compact and easy to install unit
Whatever the application, the
Redring Powerstream Professional
electric flow boiler provides an
efficient, versatile and safe way of
quickly heating water.
Suitable for both vented and
unvented wet central heating and
domestic hot water systems
wherever there's mains electricity.
There are over two million homes in Britain with no
mains gas supply as well as other rural homes, new
housing projects and multi-floor dwellings that would
benefit from the flexibility of a modern electric boiler.
Used as a direct replacement for Gas, Oil, Propane,
Solid Fuel or Electric Storage heating, the Powerstream
Professional flow boiler provides a practical way of
delivering hot water and heating to any home and can
be used with standard ‘wet’ system radiators, underfloor
heating, programmers, pumps, room stats and
thermostatic radiator valves.
There are seven models in the range to suit the majority
of applications, including sealed and open vented
installations. In addition, the flow boiler can provide
domestic hot water when used in conjunction with an
indirect hot water storage cylinder.
The Redring Powerstream Professional delivers the
industry standard where Gas, Oil, Propane or Solid Fuel
is not available; or fluing restrictions prevent the use of
boilers that use these fuels. The wet central heating
system boiler does not require costly servicing and
safety checks, has no need of any flue system and as
such provides the maximum flexibility in terms of
boiler location.
The Powerstream Professional flow boiler is 99.8%
efficient and silent in operation. It quickly produces hot
water by circulating water over electric heating elements
and its thermostatic temperature operation is adjustable
from 30°C to 80°C. It is suitable for a wide range of
properties including mobile homes, flats, apartments,
family houses and light commercial properties.
Powerstream Professional Selection Guide (Based on NHBC guidelines1)
Property New Build Older properties Tank Wash New Build Older properties
One room bedsit 20/200 RFB2 RFB4 50 litre Shower RFB4 RFB6
Two room flat 40/400 RFB4 RFB6 115 litre 1 bath RFB75 RFB9
One bed house 80/800 RFB6 RFB105 115 litre 1 bath RFB9 N/A
Two bed house 100/1000 RFB6 RFB12 115 litre 1 bath RFB105 N/A
Three bed house 130/1400 RFB9 N/A 115 litre 1 bath RFB12 N/A
Four bed house 150/1600 RFB9 N/A 140 litre 1 bath RFB12 N/A
Five bed house 190/2000 RFB12 N/A 200 litre 2 baths N/A N/A
Note:1In broad terms, stipulates minimum room temperatures and recovery times for typical hot water draw-offs 2Based on average space heating requirement of 45 W/m
(New Build), 90W/m2(Older properties) 3Includes requirement for a complete tank full recovery time of less than 3 hours
Boiler Sizing: Please consult your installer/heating engineer/designer as to the correct size of Powerstream Professional boiler
building itself, the local and seasonal weather conditions and exactly what the boiler will be required to heat eg: heating and/or hot water will need to be considered. To discuss
individual delivery and design requirements or for help with making your selection please call: Technical - 08709 000430 or e-mail Design - AEDESIGN@applied-energy.com
Max floor area
2
/ft2)
(m
Space Heating only
2
Space Heating and Indirect Hot Water
. Size of the proper ty, the insulation properties of the
3
2
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396
86
238
116
69 Outlet
386
49 Inlet
The Range
Product Short Catalogue Temperature BTU kW loading Cable Size Recommended
Reference Code Number Range °C Output @ 230-240V Guide Fuse Rating
Powerstream Professional 2kW RFB2 45670202 30 - 80 6830 1.8 - 2 1.5mm
Powerstream Professional 4kW RFB4 45670204 30 - 80 13660 3.7 - 4 2.5/4mm
Powerstream Professional 6kW RFB6 45670206 30 - 80 20490 5.5 - 6 4mm
Powerstream Professional 7.5kW RFB75 45670207 30 - 80 25613 6.9 - 7.5 4/6mm
Powerstream Professional 9kW RFB9 45670209 30 - 80 30735 8.3 - 9 6/10mm
Powerstream Professional 10.5kW RFB105 45670210 30 - 80 35860 9.6 - 10.5 6/10mm
Powerstream Professional 12kW RFB12 45670212 30 - 80 40980 11 - 12 10mm
2
2
2
2
2
2
2
Key Features
Specifier
■ 7 power options (2kW - 12kW) for different
applications
■ Compact design fits in most spaces (including
kitchen cupboards)
■ Solid state technology for long life
■ Min/max control adjusts the water temperature
output from the boiler
■ No moving parts, maximum reliability
■ Minimal service and maintenance costs
■ Suitable for sealed and open vented installations
and with radiators or underfloor heating
■ Uses standard radiators, programmer, pump,
room stat and thermostatic radiator valves
■ No flue and no fuel tanks mean flexible
installation location and improved safety
■ Thermostatic temperature range 30°C to 55°C
(underfloor) or 55°C to 80°C (central heating)
■ Outer casing white stove-enamelled
corrosion-resistant steel
■ UK manufactured in a BS EN ISO 9001:2000
registered factory
■ CE Marked
■ 2 year guarantee
Stockist
■ Comprehensive technical and aftersales back-up
service (UK only)
■ UK manufactured in a BS EN ISO 9001:2000
registered factory
■ CE Marked
■ Access to the ‘off gas’ market sector with a
recognised brand
Homeowner
■ Silent in operation
■ The boiler has front panel indication to show
boiler state, including a power indicator with
diagnostic facility
■ Solid state technology for long life
■ Soft start and zero volt switching to avoid
power surges
■ Min/max control adjusts the water temperature
output from the boiler
■ No moving parts for long life and
maximum reliability
■ Minimal service and maintenance costs
■ No requirement for annual safety certificate
■ Control panel
■ Uses standard radiators, programmer, pump,
room stat and thermostatic radiator valves
■ No flue and no fuel tanks mean flexible
installation location and improved safety
■ Thermostatic temperature range 30°C to 55°C
(underfloor) or 55°C to 80°C (central heating)
■ Outer casing white stove-enamelled
corrosion-resistant steel
■ Re-settable trips
■ CE Marked
■ 2 year guarantee
Technical Product Dimensions (mm)
13 Amps
20 Amps
30 Amps
35-40 Amps
40-45 Amps
45 Amps
50
Installer
■ Solid state technology for long life
■ Suitable for sealed and open vented installations
and with radiators or underfloor heating
■ Uses standard radiators, programmer, pump,
room stat and thermostatic radiator valves
■ No flue and no fuel tanks mean flexible
installation location and improved safety
■ Self check circuitry and fault indication
■ Manually re-settable trips
■ Unit is set by the Installer for either underfloor
mode or central heating mode
■ UK manufactured in a BS EN ISO 9001:2000
registered factories
■ CE Marked
■ 2 year guarantee
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Powerstream Professional Typical Installations
For Heating only, with Direct Domestic
For Underfloor Heating System
hot water cylinder
*
For Heating and Domestic Hot Water with Indirect Hot Water Cylinder
S PLAN SYSTEM Y PLAN SYSTEM
*
*
*
* Expansion kit not required on a vented system
Hot Water Storage Heaters: Ask for the Redring Aqualoy LWSS 2304 Duplex Stainless Steel water storage heaters that
provide effective, fast and safe hot water for baths, showers and other domestic appliances around any property. For use
with direct and indirect heating applications the Aqualoy LWSS cylinders are a high quality vessel employing the best in
tig welding technology, the LWSS range also features high flow rates and energy efficient insulation.
Note 1: The Redring Powerstream Professional flow boiler is ideal for providing water to a domestic/light commercial wet
central hea
source of heat is required eg: immersion heater. This is to ensure compliance with NHBC guidelines and to provide hot
water at all times.
Note 2: The Redring Powerstream Professional flow boiler requires fitment of a circulating pump for underfloor and
central hea
Applied Energy Products Ltd
Morley Way
Peterborough
PE2 9JJ
t 01733 456789 f 01733 310606
www.applied-energy.com
RO35 May 08
ting system. Where it is intended for use to provide hot water as well, it may be that an alternative direct
ting applications. In the case of unvented applications an expansion kit will be required.
UK Sales
Sales Hotline: 08709 000420
Sales Fax: 08709 000520
Technical Services
Techline: 08709 000430
Techfax: 08709 000530
Redring is a registered trademark of Applied Energy Products Ltd.
Applied Energy Products reserve the right to alter product specification or appearance without prior notice.
All finishes in the brochure are as accurate as printing processes allow.
05/2008 Applied Energy Products. All rights reserved.
Brochure Hotline
Telephone: 08709 000540
Website www.redring.co.uk
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