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The Kunkle 537 series is typically rated for temperatures up to 250°F (121°C)
it may fit other brands using identical temperature specifications and mounting footprints
Replacing a degraded furnace selector switch with this genuine HVAC replacement part restores reliable fan speed control and operational safety
This allows for precise
Resideo ZD26X10TZ Damper L99H008 The Kunkle 537 series isThe Resideo ZD26X10TZ Damper is a professional grade, rectangular zone damper designed for high performance HVAC zoning systems. Built with a parallel blade design and extruded aluminum frame, this unit ensures low leakage performance (less than 1% at 0. 5 in. WC) in demanding heating and cooling applications. The 24Vac synchronous motor is side mounted on the 10 inch dimension, featuring a power closed spring return open configuration. This normally
