2hvac teacher, retired hvac business owner
Lou Barta posted an answer for this Heating & Cooling:
"I am not familiar with "blulex". But boilers should have an automatic feed valve to..."
Lou Barta
Lou Barta posted an answer for this Coleman Evcon Furnace Control Circuit Board 77990-320p:
"Probably residual heat kicking the fan limit control on and off. Readjust the settings on..."
Lou BartaLou Barta posted an answer for this Coleman Evcon Furnace Control Circuit Board 77990-320p:
"Probably residual heat kicking the fan limit control on and off. Readjust the settings on..."
Lou Barta
Lou Barta posted an answer for this Coleman 7990-319p Evcon Gas Furnace Control Board:
"To many possible answers to this. A description of the noise will help to diagnose the..."
Lou Barta
Lou Barta posted an answer for this Intertherm 56000 Btu Gas Furnace:
"The fan speed might be set to fast cooling the fan limit control prematurely. Or the fan..."
Lou BartaLou Barta posted an answer for this Intertherm 56000 Btu Gas Furnace:
"If your diagnostic indicator is not picking showing a fault code than it thinks everything..."
Lou BartaLou Barta posted an answer for this Intertherm 56000 Btu Gas Furnace:
"If your diagnostic indicator is not picking showing a fault code than it thinks everything..."
Lou BartaLou Barta posted an answer for this Intertherm 56000 Btu Gas Furnace:
"Sounds like you fan limit control is not set properly. Or the blower speed is set to..."
Lou BartaLou Barta posted an answer for this Coleman 7990-319p Evcon Gas Furnace Control Board:
"There should be a diagnostic chart on the furnace door by the wiring schematic. If so see..."
Lou Barta
Lou Barta posted an answer for this Williams Wall Heaters: 30,000 Btu/hr Direct-Vent Furnace Natural Gas with Wall or Cabinet-Mounted Thermostat 3003622:
"Possibly the 36th week of 2006 or 6th week of 2001."
Lou BartaLou Barta posted an answer for this Heating & Cooling:
"Don't jumper anything, You could possibly damage the circuit board!!!! Trouble codes can..."
Lou Barta
Lou Barta posted an answer for this Williams Wall Heaters: 35,000 Btu/hr Enclosed Front Console Room:
"The pilot gas pressure should have been preset at the factory. If an adjustment was..."
Lou Barta
Lou Barta posted an answer for this Ruud RGTC07ERBGS N/A Achiever 75000 BTU Single Stage Downflow or Horiz:
"Turn the power off to the furnace. Remove the thermostat wires from the thermostat. ..."
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Sounds like you might have a low voltage problem . check the thermostat wire going to the..."
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Might need an adjustment on the fan limit control. Or the blower speed might need to be..."
Lou Barta
Lou Barta posted an answer for this Goodman GMS90703BXA Heater:
"Blow out the trap"
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Sounds like you have no problem. A continious light might just mean "normal operation" ..."
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Replace fan blade, capacitor and motor."
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Check the temperature rise requirements for the furnace. Info will be possted on the data..."
Lou BartaLou Barta posted an answer for this Goodman GMS90703BXA Heater:
"Thermocoupling is not set properly. approximately 1/3 to 1/2 of the thermocoupling should..."
Lou BartaLou Barta posted an answer for this Goodman GDS80904BNA Open Flame Heater:
"Never touch the part of the ignitor that glows. oils from you hands can cause problems. ..."
Lou BartaLou Barta posted an answer for this Goodman GMS90703BXA Heater:
"Check for a defective ignitor"
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Just replace it"
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Dampers in the basement should be opened."
Lou BartaLou Barta posted an answer for this Goodman Heating & Cooling:
"Possible bad ignitor"
Lou Barta
Heating & Cooling 145 answers
Humidifiers 41 answers
Dehumidifiers 1 answer
Dryers 1 answer
