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This integrated gas-air ratio control assembly ensures precise fuel delivery and optimal combustion across the burner's modulation range
providing superior regulation of fluid volume in tight mechanical spaces
preventing slippage under high-torque starts
The unit is integrated into the boiler safety circuit
Resideo ZD6X6TZ Damper 326070-701 This integrated gas-air ratio controlThe Resideo ZD6X6TZ is a high performance 6x6 zone damper engineered for precision airflow management in forced air zoning systems. Built with a heavy duty extruded aluminum frame and parallel blades, this square zone control damper minimizes leakage and ensures quiet operation under high static conditions. Unlike standard round dampers, the parallel blade damper design provides superior control for bypass or zone specific applications in rectangular
