Phoenix Model 8612 Make sure the size of the chimney’s flue is appropriate for this stove, and that it is not too large. Use a masonry chimney with an 8" x 8" (203 mm x 203 mm) maximum tile size for best results. An oversized flue will contribute to the accumulation of creosote. 1. At least 2" (51 mm) clearance to combustible structure. 2. Fire stops installed at the spaces where the chimney passes through floors and/or ceiling. 3. 2" (51 mm) gap maintained to any insulation from the chimney. Exterior chimney requirements: 1. At least 1" (25 mm) clearance to combustible Use the following checklist to ensure that your masonry chimney meets these minimum requirements: structure.
Chimney height requirements: (See Figure below) 1. At least 3 feet (0.9 m) higher than the highest Chimney wall construction: Brick or modular block at least 4" (102 mm) thick. A mortared rubble or stone wall. Flue liner: Minimum thickness of 5/8" (16 mm). Installed with refractory mortar. At least 1" (25 mm) air space. An equivalent flue liner must be a listed chimney liner system meeting type HT requirements or other approved material. Interior chimney requirements: part of the roof opening through which it passes. 2. At least 2 feet (0.6 m) higher than any part of the roof within 10 feet (3 m) measured horizontally from the top of the chimney.
This stove requires a minimum chimney height of 13 feet (4 m). The maximum allowable chimney height is 30 feet (9m). Figure 3 – Chimney Height Requirements Hearthstone Quality Home Heating Products, Inc ® www.hearthstonestoves.com 15