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vii)
v)
Fig. 1
viii)
ii)
iii)
1.0 Introduction
1.1
Description
1. The Assure FGHR is a Passive Flue Gas Heat Recovery
Device as listed in the Government's Product Characteristics
Database (PCDB).
2. The Assure FGHR uses heat from the flue gases to
pre-heat incoming cold mains water, thus reducing gas
consumption during the production of Domestic Hot
Water.
3. The flue can be to the rear or vertical.
1.2
Contents of pack (Fig. 1)
The pack contains:
i) Assure FGHR
ii) Wall Frame (incorporates boiler
wall bracket)
iii) Collar - Rear Flue
vi) Wall Fixing Screws Pack
v) Template
vi) Literature
vii) SAP Label for Boiler
viii) Inlet & Flow Pipes
1.3
Flues
1. To ensure full boiler output the following equivalent flue
length should not be exceeded:-
all models - 3 metres
Consult the boiler instructions for details of the equivalent
values of any bends.
2. The 60/100 concentric horizontal or vertical flue system
(Flue Group A) approved for the boilers listed on p. 2
MUST be used.
3. Flue kits 5118576 (Vertical), 7210434 (Horizontal Direct
Rear), 720642701, 720598701 & 720599401 (Horizontal
Rear with Elbow - black, brown & white) are compatible.
4. The Assure FGHR MUST NOT be used with the 80/125
flue system or Plume Displacement Kits. Where pluming
may cause a nuisance it is permissible to use Flue Terminal
Deflector part no. 5111068 (Black), 720644201 (White) or
720644301 (Brown).
5. If the installation is at a height of more than 18 metres the
direct rear flue MUST NOT BE USED. The following 'high
rise' flues are compatible with these installations:
7778067 Horizontal Flue 1.8m A/S
7743932 Horizontal Flue 685mm A/S
7778230 Flue Extension 2m A/S
1.4
Accessories
In accordance with Water Authority Regulations to prevent
backflow into the water supply the following item should be
employed and is available as an accessory:
Expansion Vessel & Check Valve Kit
Other accessories:
Internal Fitting Kit
IFOS (In Flue Outdoor Sensor)
720066401
7215374
7724181
3
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