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Professional installation is recommended to ensure seamless compatibility with the existing boiler control system and to maintain the safety standards of your gas-fired equipment
reducing short-cycling and optimizing compressor longevity in heavy-duty applications
including walk-in freezers and coolers
It should not be used to bypass safety circuits or modify the original design of the HVAC system
the latter is simply the updated SKU used in current Trane parts catalogues
Tjernlund Products DC4 Draft Control 326010-701 Professional installation is recommended toThe 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,
US$ 76.10
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