This EK capillary tube filter drier also integrates a factory-installed access valve

Can these be removed if the system needs to be recalibrated

This aluminum centrifugal blower wheel is specifically balanced to reduce mechanical stress on the blower motor

ensuring the damper closes fully and maintains tight shut-off

The Nordyne 660303R Orifice is a precision-engineered OEM replacement part specifically designed for LP (Liquid Propane) gas configurations in 66 Series furnaces

Schneider Electric (Barber Colman) AT-520-40 Knob Kit This EK capillary tube filterThe Schneider Electric (Barber Colman) AT 520 40 Knob Kit is a critical replacement component for field technicians managing pneumatic control systems and legacy HVAC automation hardware. This setpoint knob kit is specifically engineered to provide a precision fit for Barber Colman TK Series thermostats, ensuring accurate calibration and tactile adjustment of space temperature setpoints. Built from high impact, industrial grade plastic, the AT 520 40