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Dual-Stage Efficiency: Combines a pre-filtration foam sleeve with a bonded fiber media core to maximize surface area and minimize initial pressure drop
21 inches in length
This unit is typically rated for CCW (counter-clockwise) rotation
the ASM01897 is the direct technical successor and identical in function to the OE392-10 model
Reznor 197031 Pressure Switch 340155-7024 Dual-Stage Efficiency: Combines a pre-filtrationWhen you are dealing with thin air at elevations above 6000 feet, standard combustion air monitoring just does not cut it. The Reznor 197031 Pressure Switch is the specific high altitude solution required to maintain precise safety setpoints on your Reznor unit heater. This OEM draft switch is factory calibrated to 0. 35" W. C.identifiable by its distinct purple labelto ensure the inducer motor is pulling the correct negative pressure for safe
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