I have a intertherm heater (ultraflex) model 431900 about 24yro. just last wednesday, march 11,09. i turned the heat on in the morning and it didn't want to turn on (firstime it happened). i thought the thermostat was the problem,so i bought a new thermostat and replaced the old one. after i installed the new thermostat, the furnace didn't turned on also. all the wirings were connected properly. can somebody help me what could possibly the problem or what went wrong? thanks,
Did the fan turn on, if it did when was the last time you cleaned the filter.
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no, the fan didn't turned on at all. i changed the filter i think it
was september last year "08.
I fixed the solution on my furnace heater that won't come on.
I pryed open the front cover of my furnace and opened the
small door below where all the electrical connections were and
the four fuses. I found out that two of my fuses were burned,
because they got overloaded due to my dirty filter. The fan
is having a hard time taking air into it, that is why my fuses
got burned. Always check and wash your furnace filter every three weeks or so, to prevent your fuse from getting burn. I bought four new fuses to the hardware and replaced the old four fuses together. Now my furnace heater is working. I hope this could help others, if you guys have the same problem with your heater furnace. Thanks
to dshea1222 anyway.
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