Standard 1-1/4 Inch NPT: Matches common pipe sizes found in classic one-pipe and two-pipe steam systems for seamless retrofitting

Optimal Performance: Configured for 825 RPM to maintain factory-spec airflow across the condenser coils

Confirm the oil sump depth and port size matches the 3 1/2-inch probe length and check the compressor nameplate for 120V heater compatibility

ensuring compliance in ceiling plenum environments where non-metallic components are prohibited

Aprilaire 5443 Filter mario Standard 1-1/4 Inch NPT: MatchesEnsure your indoor environment remains healthy and comfortable with the Aprilaire 5443 Filter, an essential component for high performance moisture control. This 10"x12"x1" EZK replacement is a genuine MERV 8 dehumidifier filter designed to capture a wide range of airborne contaminants, including dust, pollen, and mold spores. Constructed with a durable aluminum frame and a high efficiency polyurethane foam core, this washable air filter offers long