Does physical size matter for these round capacitors

which can lead to high resistance and "no-spark" ignition errors

What is the purpose of the 1 1/2" shank

What is the benefit of the 2

reducing fuel waste and promoting cleaner system operation

Lennox 88W59 Pressure Switch Does physical size matter forThe Lennox 88W59 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency furnaces and air handlers. As a Single Pole Single Throw (SPST) switch, it is engineered to actuate at 0. 15" W. C. and reset at 0. 34" W. C., effectively preventing operation during unsafe draft conditions or venting obstructions. This genuine HVAC OEM part is the direct performance 103094 01 cross reference for the legacy