Page 132
16.5 Combination Boiler
Item Description Main Materials Special Notes
1 Heat Exchanger Mild Steel
2 Heat Store Mild Steel
3 Condensing Unit Stainless Steel & Viton Seal
4 Service Door Stainless Steel & Natural Rubber
5 Pipework Assembly Copper, Brass, Stainless Steel
6 Circulating Pump & Valve Various Consult Manufacturer
7 Condensate Trap Plastic
8 Service Door Mild Steel & Ceramic Fibre Wear Appropriate PPE
9 Service Door Cover Galvanised Steel
10 Control Panel Plastic, Copper, Electronic
Components
11 Expansion Vessel Mild Steel & Rubber
12 Heat Generator Various Consult Manufacturer
13 Heat Exchanger Baffles Mild Steel
14 Boiler Flow Pipe Copper & Brass
Various other brackets, fasteners and components may be used, with up to 5% of appliance weight