Slant Fin 412-706-200 Vent Damper Els PW 29614 the 143-16-021-04 is a necessary

the 143-16-021-04 is a necessary upgrade or replacement when the required delivery pressure exceeds standard domestic ranges but remains within the medium-pressure band

the 50VA output is ideal for DDC (Direct Digital Control) systems

Why is the 5/8" bore size important

It must be installed vertically in the suction line

Common Questions Can the output range be increased beyond 30 psi

Slant Fin 412-706-200 Vent Damper Els PW 29614 the 143-16-021-04 is a necessaryThe Slant Fin 412 706 200 Vent Damper is a 6 inch automatic vent damper engineered to enhance the efficiency of gas fired boiler systems. This heavy duty 6" flue damper utilizes a motorized drive system to shut the stack during burner off cycles, effectively trapping residual heat within the heat exchanger. Specifically designed for Slant Fin boiler models like the Galaxy and Sentinel series, it eliminates the convective heat loss that typically