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About Vented Gas Log System Sizing
Determining which size Vented gas log set will work best with your fireplace is fairly simple, but is not an exact science, due to differences in fireplace shape and construction. By taking a few measurements of the inside of the fireplace, as described and shown in the diagram above, let us hel-pn you decide which gas log set will best fit your home. You may print these diagrams and use them to record your measurements to take with you when you visit us. Gas log set sizes are based on the approximate length of the front log of the set, and for sets with two piece front logs, the combined length of the two log pieces, when installed, will correspond to the size of the set, so a 24" set will have a front log that is approximately 24". Please note that the length of the front log(s) vary, and a 24" set may actually have a front log whose length is 23" to 25".
All measurements should be made from the inside surfaces or firebrick of the fireplace. Front width (A) and depth (C) are the most important dimensions for vented gas log sizing. These measurements should be taken from the fireplace floor, inside the hearth or lip of the fireplace, and behind any wire screens or railing that may be permanently attached to the fireplace. In deeper fireplaces, front width measurements can be taken 6" to 8" from the front, allowing better centering below the flue of the fireplace.
Subtract 8" from the front width (A) dimension, for the best overall sizing of the log set. This allows 4" on either side of the front log of the set, giving plenty of room for valve clearance and centering the log set in the fireplace. If desired, side clearances as low as 4" (2" per side) will normally work on sets without safety pilot controls, and many people prefer the look of a very full fireplace, which this arrangement helps create.
If there are any questions please email our tech department.
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