2.4 Components
The following diagram shows the key components of the boiler. Component assembly diagrams and particular parts lists are included in
the Appendices.
Fan & Motor
Front Panel
Gas Valve
NCB700-54C
NCB500-1.5S/37K
NCB500-2S/41K
Ignitor & Flame Rod
PCB
Circulation Pump
About the Boiler
11