A rule of thumb for determining how much chimney you need for proper woodstove performance is…
Commercial replacement of two existing boilers with new Veissmann
No, chimney components from different manufacturers cannot be combined. Code dictates that a chimney system must be comprised of components as certified by one manufacturer. Futhermore, most components are designed in such a way as not to fit correctly if matched with another system's components, rendering it not only uncertified but extremely unsafe.
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