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This HVAC intermittent pilot system maintains stable performance across an ambient temperature range of -40°F to 175°F
As the direct replacement for 180200-658
preventing backdrafting and pressure switch trips
and G60 series units
The PE-27-0042 is essential for systems requiring manual or automated blower speed adjustment to balance HVAC zones effectively
Tjernlund Products DC4 Draft Control 321894-709 This HVAC intermittent pilot systemThe 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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