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As the direct replacement for 180200-658
preventing backdrafting and pressure switch trips
Built from high-gauge
specifically the 1361-102
Tjernlund Products DC4 Draft Control 321894-709 As the direct replacement forThe Tjernlund DC4 Draft Control is an essential component for technicians managing combustion efficiency in residential and commercial heating systems. This 4 inch single acting draft control is precision engineered to maintain a consistent neutral draft within chimneys and vents, effectively counteracting fluctuations caused by changing barometric pressure, stack temperatures, and wind velocity. Fabricated from heavy duty corrosion resistant steel,
