This 35/5 MFD 370V dual run capacitor is engineered to balance the electrical load between the compressor and fan motor

As a primary HVAC blower control switch

it is often recommended to pair this with a new 30-inch thermocouple (Burnham 8236024 or equivalent) to ensure peak electrical signal to the gas valve

engineered ranges

Does orientation matter when installing the MARS 12791

Sporlan 401021 C-163-S Filter Drier This 35/5 MFD 370V dualThe Sporlan 401021 C 163 S Filter Drier is an industry standard liquid line filter drier engineered for high capacity contaminant control in residential and commercial HVACR applications. This Catch All series drier features a 16 cubic inch molded porous core, designed to perform multi stage filtration by adsorbing moisture and neutralizing harmful acids like hydrochloric and hydrofluoric before they damage the compressor or plug the expansion valve.