Should the spring be adjusted before or after installation

this is a model-specific Williams furnace part

This heavy-duty component is built to withstand high operating temperatures

the 620-202 serves as a robust replacement that maintains tight voltage tolerances to protect sensitive solid-state components

Its robust construction with lead-wire connections facilitates a straightforward swap-out for technicians managing high-limit failures in the field

Carrier HK02ZA439 Pressure Switch Should the spring be adjustedThe Carrier HK02ZA439 Pressure Switch is a high pressure safety cutout designed for precise refrigerant circuit monitoring in Carrier, Bryant, and Payne condenser units. Engineering specifications confirm a cut out pressure of 426 PSI and a cut in pressure of 320 PSI, ensuring the compressor is protected from thermal overload and system blockages. This SPST high pressure switch features a 1 4 inch female Flare nut connection with a schrader depressor