A flame sensor performs the same function as thethermocoupleon a gas water heater with a standing pilot. A standing pilot is one that is always burning, and the job of a thermocouple is to shut off the gas if the pilot goes out. A gas furnace has an electronic igniter instead of a st...
Reconnect the electricity to the furnace. Turn up the thermostat until the furnace burners ignite. Check the gas pressure to make sure that the minimum pressure is 11 inches of water column. Turn off the electricity to the furnace and turn the main gas shutoff valve to the "Off" position....
Inside the smoke detector there is a light and a sensor, but they are positioned at 90-degree angles to one another, like this: In the normal case, the light from the light source on the left shoots straight across and misses the sensor. When smoke enters the chamber, however, the ...
If any of these parameters change, then the controller needs to know this and be able to correct/compensate. Bruce and Al purchased a 5-gas Horiba meter directly from Horiba, so this along with the use of primary gas standards for test gases, lets them know exactly what the sensor sees...
So in most cases, you can just connect your new furnace with a standard flexible gas connector. But if you need to change the routing, you can turn off your gas supply at the outside meter, use a big pipe wrench to unthread the existing black gas pipe, and buy new lengths and ...
How carbon offsets can help solve climate change A growing number of large companies, including Microsoft, Shell and the airline easyJet, are using carbon offsets to address their climate impact. For their advocates, offsets are a powerful tool to reduce the costs of tackling climate change, ...
With climate change on the rise, air pollution has affected everyone. People have been trying to come up with ways to measure this phenomenon. Air quality sensors are critical for measuring and researching pollutants. These are pollutants that may be hazardous to public health and the environment...
Before installing the furnace, locate where the return air duct is placed. This will either be on the side of the unit or on the bottom. The dimensions of the ductwork should be marked on the side of the furnace. Depending on where the furnace is situated, you may need to purchase an...
Use this chart to see if the problem with your furnace might be fixed with a filter change. OIL FURNACE TROUBLESHOOTING CHART Problem Possible cause Solution Furnace won't run 1. No power. 1. Check for blown fuses or tripped circuit breakers at main entrance panel or at separate entrance ...
There are several ways to improve the efficiency of your HVAC system. One is to change your air filters regularly, ideally every 1-3 months, depending on usage. Ensure that your home is properly insulated and sealed to prevent air leaks, which can reduce energy efficiency. Consider installing...