Technical data

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MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
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10.0 Fluing Options
Please note that excessive resistance within the flue and combustion air supply systems will lead to a
reduction in the output of the appliance and induce operational faults.
16 27 47 75 & 77
Concentric Flue Components (Pa Resistances)
Wall Terminal 4.0 5.0 8.0 16.0
Vertical Terminal 4.0 5.0 8.0 16.0
955mm Flue Extension 2.5 4.0 6.0 12.0
500mm Flue Extension 1.25 2.0 3.0 6.0
255mm Flue Extension 1.0 1.5 2.0 4.0
87º Bend 2.5 4.0 6.0 12.0
45º Bend 1.25 2.0 3.0 6.0
30º Bend
1.00 1.5 2.0 4.5
80mmØ PPS Flue Components (Pa Resistances)
Exhaust Pipe Terminal 1.0 2.5 4.0 8.0
Air Pipe Terminal 2.0 4.0 7.0 15.0
955mm Flue Extension 1.5 3.0 5.0 9.0
500mm Flue Extension 0.75 1.5 2.25 4.5
255mm Flue Extension 0.5 1.0 2.0 3.75
87º Bend 1.5 3.0 5.0 9.0
45º Bend 0.75 1.5 2.25 4.5
30º Bend 0.5 1.0 1.75 3.5
When flues are installed with horizontal sections/portions a 3
0
fall back to the boiler must be
maintained. This will not only ensure condensate removal preventing premature seal failure, but also
prevent nuisances dripping from the wall terminal.
10.1 Single ProCon Balanced Flued. Through The Wall Termination.