Not sure how much info on the ignition system you're looking for, but here is the parts list and the supplier from which I got them.
CONTROL PANEL
2 - Love TS-13010 Controllers Dwyer Instruments
http://www.dwyer-inst.com
6 - Selector LED Switches Automation Direct
http://www.automationdirect.com
1 - Turn Key Selector Switch Automation Direct
http://www.automationdirect.com
2 - Core Transformer 120V TO 24V 96VA eBay
http://cgi.ebay.com
2 - 4" Temperature Sensor LOVE TS Brewers Hardware
http://www.brewershardware.com
25 Feet Flexible Galvanized Steel Conduit, 3/8" McMaster-Carr
http://www.mcmaster.com
GAS SYSTEM
3 - 12" Hose w/Stainless Overbraid, 3/8" ID Tejas Smokers
http://www.tejassmokers.com/
2 - Honeywell VR8304M3103 Electronic Gas Valve Surplus City Liquidators
http://surpluscityliquidators.com
2 - S8610U 3009 Honeywell Pilot Module eBay N/A
2 - Honeywell Q345A1313 I.P. Pilot Burner Patriot Supply
http://www.patriot-supply.com
2 - LP Orifices for Pilot Burners HVAC Parts Outlet
http://www.hvacpartsoutlet.com