The Netaheat is positive pressure case, wasn't the Classic negative?
Why does a condensing boiler create a plume
- Thread starter bernardgreen
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Classic is negative and connected onto the inner flue.
However just after connection there is a hole top and bottom of inner flue to allow some mixing.
It also allows screwdriver to get to bottom screw on combustion box above hex.
However just after connection there is a hole top and bottom of inner flue to allow some mixing.
It also allows screwdriver to get to bottom screw on combustion box above hex.
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