Lennox 75X73 Filter 326070-701 securing the valve in the

securing the valve in the open or closed position to prevent accidental cycling or unauthorized tampering

as the pressure switch won't close if the inducer wheel isn't pulling a proper draft

Precision Geometry: Angle fitting design allows for clean

providing contractors with a reliable OEM solution for diagnostic and repair calls

Look for discolored or scorched plastic at the plug head

Lennox 75X73 Filter 326070-701 securing the valve in theThe Lennox 75X73 Metal Mesh Insert Filter PCO12 is a critical component for the Lennox PureAir PCO 12C and PCO 12U air purification systems. As a specialized photocatalytic oxidation (PCO) filter, this 2 inch low profile insert features a durable aluminum frame and titanium dioxide coated mesh designed for high performance HVAC air filtration. Unlike standard media, this replacement metal mesh filter serves as a catalyst surface that, when paired with