100289450 is the official direct replacement for 100288891

Wide Temperature Support: Operational performance maintained across a wide ambient range of -40° to 185°F

maintaining original specifications is critical for airflow balance and preventing premature limit trips

The assembly includes pre-calibrated sensors to provide immediate automated system diagnostics

Common Questions Is the capacitor included with the Fasco D410

Resideo V8043A1037 Valve 326058-758 100289450 is the official directThe Resideo V8043A1037 Valve is a professional grade, 2 way normally closed zone valve engineered for precision hydronic control in closed loop systems. This 1 inch sweat connection zone valve features a robust brass body and stainless steel stem, designed to withstand fluid temperatures from 50F to 200F. Operating on a 24Vac hydronic valve actuator, it utilizes a spring return to close mechanism with a 3. 5 Cv flow capacity and a 20 psi maximum close