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Q&A Installing fireplace insert into existing heat form (Heatila

Post in 'Questions and Answers' started by QandA, May 26, 2007.

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  1. QandA

    QandA New Member Staff Member

    Nov 27, 2012

    I purchased a used fireplace insert in good condition (Earth Stove, wood burning). My present fireplace has a metal heat form in it but no fans so is rather worthless for heating. Some clerks at local store have told me I need to add stovepipe up the chimney? There's a damper, plus the heat form's warm air vent pipes to get thru. They said I'd have to cut those out. That would pretty well demolish the heat form. Why can't I seal off the heat form with glass wool bat under shroud and next to the insert?


    I've run into some of these heat forms with welded pipes that cut across the damper area. These make it nearly impossible to place the normal 5 foot piece of flexible piping up through the damper. In these cases, I have installed a sheet metal block-off plate below the tubes and simply run the pipe from the stove an inch or two through this plate. The jobs I have done this way are working fine.

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