Denray Posted January 21, 2014 Report Share Posted January 21, 2014 Newer 40 gallon WH. Seems like the flame is too yellow. Whatcha tink? Click to Enlarge 25.93 KB Quote Link to comment Share on other sites More sharing options...
kurt Posted January 21, 2014 Report Share Posted January 21, 2014 FVIR. Could be air intake is restricted. It's certainly not an efficient flame. Quote Link to comment Share on other sites More sharing options...
Denray Posted January 21, 2014 Author Report Share Posted January 21, 2014 Thank Kurt. There was one at each side of the duplex. Looked same age, etc. Both flames the same. Quote Link to comment Share on other sites More sharing options...
Marc Posted January 21, 2014 Report Share Posted January 21, 2014 You wouldn't have a combustion analyzer hanging around, would you? Marc Quote Link to comment Share on other sites More sharing options...
mjr6550 Posted January 21, 2014 Report Share Posted January 21, 2014 Newer 40 gallon WH. Seems like the flame is too yellow. Whatcha tink? Click to Enlarge 25.93 KB I recall hearing that some brands of water heaters had problems with inlet screens clogging up with dirt. Seems odd to be both units, but could be from similar conditions-construction debris, unvented dryers. Quote Link to comment Share on other sites More sharing options...
Brandon Whitmore Posted January 23, 2014 Report Share Posted January 23, 2014 Were the water heaters off when you arrived? If so, and you fired the pilots up and cranked the burners, that's the color you'd get from condensation/ moisture in the burner compartment. Also, if you didn't wait several seconds or so before checking out the burners, then that's the color you would get. The other common issue would of course be the primary air intake "grate" being plugged, as mentioned. Quote Link to comment Share on other sites More sharing options...
Denray Posted January 23, 2014 Author Report Share Posted January 23, 2014 They had both been operating awhile when I had checked them. Seemed weird that they both burned alike. Click to Enlarge 43.18 KB Click to Enlarge 25.04 KB Quote Link to comment Share on other sites More sharing options...
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