Lite On Laars Lite 2 Heaters: 250,000BTU MV Heater "generator starts won 39 run" Questions

...won't lite, then it'll give up and try again a few minutes later). On older furnaces there's a pilot light to start with, the click of the gas valve and boom... ignition. On new furnaces ...

...won't stay lit. On an MV system it is a pilot generator. The pressure switch, Hi-limits, On/off rocker switch and t-stat are in the circuit. Make sure the P. switch isn't airlocked and you ...