Key Benefits Factory-Calibrated Precision: Fixed 96°F to 165°F range eliminates the need for field adjustments and ensures reliable cycling

Does this switch require external power to operate

While the board is a direct fit

Prevents Oxidative Corrosion: Forms an airtight seal that protects copper and aluminum connections from moisture and chemical exposure

this permanent filtration solution replaces standard disposable filters in compatible air handlers and filtration cabinets

Lau 01333603 Blower Wheel 321042-401 Key Benefits Factory-Calibrated Precision: FixedThe Lau 01333603 Blower Wheel is a precision engineered double inlet centrifugal fan designed for high performance air handling in residential and light commercial HVAC systems. This Direct Drive Blower Wheel, model DD9 7A, features a 9. 5 inch diameter and a 7. 125 inch width, making it a standard replacement for many OEM HVAC blower assemblies. Constructed with a 1 2 inch bore and a convex center disc, it is engineered for Counter Clockwise (CCW)