hi guys my prima 50f will still not fire uo, tried the aps, even took it out and it clicks, does this mean its ok, fan still coming on sometime running for a few mins but still no spark....looked at the pcb board and resoldered two suspect dry solder joints....still not firing....is it possible its the honeywell gas valve??..thanks william.

william, September 2009

yes i have blown down the red pipe and the aps is clicking, does this mean its working ok....

william, September 2009

possable gas valve, have you tryed blowing down the air pressure switch if boiler lights look at fan or flue ventri

erj, September 2009