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BobVila.com > Channels > HVAC > All Tips > Blue Flame Blue FlameIn gas appliances, look for blue flames; yellow flames indicate the gas is burning inefficiently and an adjustment may be needed. Related Showrooms• SprayFoamDirect.com - Do It Yourself Spray Foam Insulation• Renovation Experts - Put your home in good hands. Get FREE estimates on your project. • PexSupply.com - Your Online Source for PEX Plumbing & Radiant Heating Supplies • Sears - Heating & Cooling Repair | |
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