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Phenix Foundry

RectangleFlex Cast-Iron Insert Boot

Item: COP20200
Product Details
  • Insert Boot
  • Base dimensions: 14"L × 10"W ×3-1⁄2"h
  • Inner dimensions: 13-7⁄8"L × 8-7⁄8"W
  • Fits most inserts
  • Material: Cast-Iron
  • Install by drilling and bolting, or by tapping and screwing into the insert top
  • Seal with Furnace Cement, Flue Goo, or Flat Fiberglass Stove Gasket
  • Secure the flex into the boot with the removable rod or 11⁄4" No. 10 self-drilling stainless screws

RectangleFlex Cast-Iron Insert Boot

RectangleFlex Cast-Iron Insert Boot for use with same size diameter HomeSaver Chimney reliner pipe. The purpose of the insert boot is to cover the opening of the insert and adapt to HomeSaver Oval Flex.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to

Lifetime Warranty