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Laser Heater Installation with Flue Pipe Extensions

Posted on July 14, 2021 at 12:50 AM

If you are installing a Laser Heater and your wall is greater than 9 inches thick, you will need a Flue Pipe Extension.  

Please refer to the following chart and NOTE that these flue pipe extensions are only compatible with the new style (two-piece) flue pipes, Part # 20479891:


Wall Thickness                                                    Flue Pipe                                             Flue Pipe Extension   

Up to 9 inches                                                      20479891                                                        None                 

9 inches to 13 inches                                           20479891                                                   20479887               

13 inches to 16 inches                                         20479891                                                   20479873              

16 inches to 20 inches                                         20479891                                                   20479874              

20 inches to 24 inches                                         20479891                                                   20479875              

These parts are for thick walls.  If you need to offset your flue pipe to the left, right or above your heater, you will need an extension kit.  We also have those available in our Web Store.  

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