A relief louver discharge plenum penetrates the exterior wall with a 16-inch clearance and requires a sealed wall penetration coordinated with the architectural drawings. The assembly features an insulation layer with a complete vapor barrier and connects to an associated small cabinet fan or exhaust fan via a two-position, parallel-blade, motor-operated damper.
M 16" SEAL PENETRATION THROUGH WALL; COORDINATE WITH ARCHITECTURAL INSULATION WITH COMPLETE VAPOR BARRIER TO ASSOCIATED SMALL CABINET FAN OR EXHAUST FAN 2-POSITION, PARALLEL BLADE, MOTOR OPERATED DAMPER
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