m1mb 070a bw furnace ignites but no hot air

[trekops]

at first my igniter went out then i replaced it and the furnace will fire up after like the 3rd try and then when the main house blower turns on then the flame dies and it will continue this. it sounds like the gas valve switches off when the house blower starts not sure if this is normal never really paid attention when it was working.
any help on this would be great i would REALLY appreciate it

thanks,
rob

[Robert]

Hi Rob,

Need to put a meter to the gas valve and see if it loses the 24vac before the burner flame goes out.


Thanks,
Robert

[trekops]

ok i figured it out when i installed the new igniter i didnt put it close enough to the flame front. the igniter also acts as a thermo couple or flame sensor all good now hope some one learns from my mistake.

[Robert]

Hi,

Yep, that'll do it, thanks for update.



Take care and best wishes,
Robert