Can this spring be used to convert a regulator to 2 psi

The Schneider Electric (Barber Colman) FILN05 is a high-performance inline pneumatic air filter engineered for point-of-use protection in complex building automation systems (BAS) and HVAC operations

Will this fit competitive brand dispensers

this Nordyne furnace part fits a wide range of mobile home and residential HVAC equipment

obstructed ductwork

Nordyne 626494R Limit Switch Can this spring be usedThe Nordyne 626494R is a critical safety component engineered for precise thermal management in residential and light commercial forced air systems. This automatic reset limit switch serves as the primary failsafe, monitoring heat exchanger temperatures to prevent thermal runaway. Rated as a L280 40F furnace limit switch, it is calibrated to open the electrical circuit at 280? F and automatically re close when temperatures drop back by 40? F to 240?