My pennco boiler furnace is broken right. What would kind the radiant grill not flow through the house? I replaced the pump and bled it out as well. But still...

I replaced the pump and bled it out as well. But still my house is cold, it's not circulating right!
How can I find the source of underground...
Answers:    There's greatly that could be going on here. Confirm the following:

Building pump is operational
All valve for heating system are overt
All air have been eliminate from the heating system
Fuel supply to boiler is present
Power supply to boiler is present
Control circuitry to boiler is effective
Boiler is firing (Proper flame established)

One or more of these items is keeping you out in the cold