Thinking of getting a pre epa insert.

Big_b Posted By Big_b, Dec 19, 2012 at 12:27 AM

  1. Big_b

    New Member

    Dec 19, 2012
    Hey all, I have been lurking on this site for awhile. I have been using my open fireplace to try and heat my home for awhile, 1400 sq ft. I have found several pre epa inserts around here for cheap. Everyone tell me to just slide them in and use it. My fireplace is a masonry type. I have been told the only thing is that i will need to clean the chimney more often. Any help will be apreciated.
  2. lazeedan

    Feeling the Heat

    Dec 14, 2006
    SW Michigan
    You should use a liner.
  3. Big_b

    New Member

    Dec 19, 2012
    On some of the inserts i have seen it does not look like you could put a liner on them. they just have slits on the back for the smoke.
  4. coaly

    Fisher Moderator
    Staff Member

    Dec 22, 2007
    NE PA
    Insert top and plate 10-28-80.jpg

    A "Boot" is normally installed over the outlet to connect to a liner.
    Chimney Liner Boot Cast.jpg

    If no connector pipe is used, when cleaning chimney you should pull the insert from the hearth to clean behind it. Connection to a liner prevents removal of Insert at every cleaning. It also assures the correct diameter flue all the way to the top. Most fireplace flues are much larger, requiring you to allow more heated gasses up the stack to create the same draft (intake) as a smaller flue. 6 to 8" doesn't seem like much, but the area inside the 8" flue requires almost TWICE the amount of heat than a 6". 6" being 28.26 square inch vs. 8" being 50.24 square inch. Another advantag eis the ability to pour insulation around the liner, keeping inside temps hotter for a cleaner flue and better draft.
    If you choose to instal with no liner, you must seal the insert to the face of the hearth so ALL the air from chimney draft is pulled THROUGH the Insert, not around it. (causing cool indoor air to leak up chimney reducing draft)
  5. pen

    There are some who call me...mod.
    Staff Member

    Aug 2, 2007
    N.E. Penna
    Also, what is the size of your fireplace? If the fireplace / box itself is not unattractive, and is large enough, you could set a freestanding wood stove in there as well (be careful about mantle clearance to combustibles and forward clearance to combustibles for both inserts and freestanders).

    I mention this as it may open up a few more options to you, pre-epa or not.

    Also (i'll reiterate what others said well), the use of a liner makes for a safer installation and makes cleaning much more complete and much easier. Do it and be done.

  6. BrotherBart

    BrotherBart LLC Mid-Atlantic Division
    Staff Member

    Nov 18, 2005
    Northern Virginia
    Had a slammer insert for 21 years. Had to haul that heavy sucker out of the fireplace every year to clean the chimney. Put in a liner and ya just brush the gunk down into the firebox and you are done. Your back and hearth will thank you for it. Liners are much cheaper than back surgery.
    raybonz likes this.
  7. TradEddie

    Minister of Fire

    Jan 24, 2012
    SE PA
    Depending on where you live, re-installing a slammer could be illegal. It may also be prohibited by your homeowners insurance. You should not even consider inserts that cannot be connected to a liner. Some slammers are better than others, but even the best of them will not be as safe, or efficient as a modern insert.


Share This Page