How do I test the continuity of this switch

the windings or the internal centrifugal switch are likely toast

A standard HVAC flaring tool is required to prep your tubing

Why should I replace the entire assembly instead of cleaning individual tubes

this switch is compatible with any system requiring a 670/470 PSI cut-out

Trane RLY2852 Relay 321702-401 How do I test theThe Trane RLY2852 Relay is a heavy duty 24v DPDT Relay engineered for precision switching in industrial and residential HVACR applications. As a genuine OEM Trane replacement part, this double pole double throw relay features a 24V coil designed to manage dual independent circuits simultaneously, making it an essential component for controlling compressors, fan motors, and sequencing valves. Built to withstand the rigors of high frequency cycling in