Wall thimble is designed for horizontal runs of Z-Vent when passing the pipe through a combustible wall. Adjusts from 4"-7". Wall plates are 10" x 10"
Z-Vent is a factory built, engineered AL29-4C special gas vent pipe, suitable for positive or negative pressure. Z-Vent is UL tested and listed to UL1738/S636. CAT II, III, IV venting approved.