4
THE BENCHMARK
tm
SCHEME
Benchmark
tm
places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct
equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by competent per-
sons and that it meets the requirements of the appropriate Building Regulations and relevant electrical qualifications. The Benchmark
tm
Check-
list can be used to demonstrate compliance with Building Regulations and should be provided to the customer for future reference. Installers
are required to carry out installation, commissioning and servicing work in accordance with the Benchmark
tm
Code of Practice which is available
from the Heating and Hotwater Industry Council who manage and promote the Scheme. Visit www.centralheating.co.uk for more information.
IMPORTANT NOTE TO USER: PLEASE REFER TO THE USER GUIDE SECTION, PAGE 37 FOR IMPORTANT INFORMATION WITH RESPECT
TO THE BENCHMARK SCHEME
Introduction
Congratulations on your purchase of a MEGAFLO Eco unvented water heater. The MEGAFLO Eco is manufactured in the UK from top quality
materials and meets all the latest relevant safety and constructional standards. The high grade Duplex stainless steel cylinder offers exceptional
strength and corrosion resistance which is backed by a Lifetime guarantee*. Its performance and insulation levels exceed the latest requirements of
Building Regulation Part L.
The MEGAFLO Eco unvented water heater can be fed directly from the cold water mains supply to the property without the need for separate feed
cisterns or vent pipes. It is supplied complete with all its necessary inlet and safety controls, electric immersion heater(s) and, for indirect units, a
cylinder thermostat, thermal cut - out, 2-port motorised valve and wiring centre.
Generally its pressure and flow rate performance will far exceed that from a comparable vented system, thermal store, instantaneous gas heater or
combination boiler.
The MEGAFLO Eco requires no separate expansion vessel as any expanded water is accommodated within an internal air gap.
Please read and understand this product guide before starting work.
Please leave this product guide with the user following installation.
Component Checklist
Before commencing installation, check that all the components for your MEGAFLO Eco unit are contained in the package. The following
components are supplied as standard with your MEGAFLO Eco unit:
• Factory fitted immersion heater(s) and thermal controls
• Cold water inlet control kit, comprising of:
• 3 bar Pressure Reducing Valve (Figure 4, p.12)
• 8 bar Pressure Relief Valve (Figure 5, p.13)
• Stop cock (Figure 6, p13)
• Factory fitted Temperature and Pressure Relief Valve (set at 90ºC / 1 Mpa (10bar))
• Tundish (included in cold water combination valve pack)
• Factory fitted indirect thermostat and thermal cut-out
• T&P relief valve insulation set
• Drain valve
• Wiring centre
• 2-port motorised valve
• Lifting handle
* See Terms and Conditions of guarantee on page 39
PRODUCT SPECIFICATION (1)
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