3 Things to Know About Your Furnace's Exhaust Flue
Jan 09 2019 · In a perfect furnace the combustion of natural gas would generate only two side effects: water vapor and carbon dioxide. Neither of these substances pose any serious threat to human health. Unfortunately virtually no can achieve 100 percent efficiency. Instead some portion of fails to combust entirely.
Malfunctioning Flame Sensor. The flame sensor is a safety device that has a probe that makes sure a flame is present while gas is flowing to the burners. If corrosion or damage causes the flame sensor to malfunction the furnace may repeatedly cycle on and off because the flame sensor is providing inaccurate signals.
Below are the 10 most common furnace problems. Read on for advice on how to repair and fix future furnace problems. Lack of maintenance. Dirty filters. Wear and tear. Electric Ignition or pilot control problems. Malfunctioning thermostat. The furnace doesnt heat at all.
Gas Furnace Troubleshooting and Repair - HVAC Heating
Natural gas: Any pressure over 14 WC can damage the gas valve. That is the reason why the piping is not connected to the gas valve when pressure testing the gas line for leaks. The manifold gas pressures should have a listing on the data plate of