Zonefirst AOBD-20X12 Damper Els PW 29614 this unit offers a robust

this unit offers a robust gas cock with a safe lighting feature and an internal filter to protect the pilot orifice from debris

Does this replacement include the internal seat cup

Steam Rated Performance: Rated for up to 15 psig saturated steam

Engineered with a durable galvanized steel or aluminum frame and multi-layer expanded metal mesh

Configurable Sequences: Selectable software sequences allow for rapid setup of heating/cooling changeover and auxiliary minimum airflow

Zonefirst AOBD-20X12 Damper Els PW 29614 this unit offers a robustThe Zonefirst AOBD 20X12 is a professional grade automatic opposed blade damper designed for precision airflow control in commercial and residential HVAC systems. Measuring 20" wide by 12" high, this rigid extruded aluminum damper utilizes an opposed blade configuration to minimize turbulence and provide a linear flow characteristic essential for balanced zoning system applications. The unit is equipped with a high torque 24Vac power open power closed