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If mounted sideways
optimizing performance for boilers
ensuring a leak-free seal on 4-inch venting outlets
though OEM compatibility should be verified first
Tjernlund Products DC4 Draft Control Els PW 17895 If mounted sidewaysThe 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,
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