Suburban furnace won't kick on the 2nd time
My suburban furnace ns42 will not kick on after it goes off from the 1st time. Have replaced thermostat. This is a heat only situation. AC has its own thermostat. This is on a '90 Monaco Crown Roy...
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The most common part that fails when this type problem happens is a BAD Ignitor control module. The memory on the board fails. This is when it fails to start the 2nd time automatically and IF you turn the tstat OFF and back on the furnace then runs and lights. Doug
