JackofAll Posted June 5 Share Posted June 5 Plan is to run intake/exhaust out through eaves. 150mm duct supplied but when insulation is added it will be very tight. So I thought reduce to 125mm out through eaves, contacted BPC to check if any in stock(which they do) but will void warranty if using 125mm on vent axia plus B. Anyone have to do similar and has if affected performance in any way? Link to comment Share on other sites More sharing options...
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