Hovey’s blue flame burner technology and renowned HELLFIRE gas fired hot air blower design has transformed the railroad track and switch heating industry. The HELLFIRE and INFERNO product lines will ...

Another quick check is to turn on the burner. If the flame is blue, there is not a leak. However, if the flame is red or orange, it indicates a problem and you should call the gas company to have ...

dip a clean wire loop into a solid sample of the compound being tested put the loop into the edge of the blue flame from a Bunsen burner observe and record the flame ...