an audible "click" with no power throughput

Can I use the HH18HC069A as a substitute

ensuring exact terminal connections and wire length

preventing pressure from equalizing between the 2 PSI supply and the low-pressure appliance manifold

Once the motor reaches approximately 75% to 80% of its rated speed

Hartland Controls CON-1/240/30 Contactor 328140-751 an audible "click" with noThe Hartland Controls CON 1 240 30 is a heavy duty 1 pole definite purpose contactor engineered for the rigorous demands of residential and light commercial HVACR systems. Rated for 30 FLA (Full Load Amps) and 40 Amps resistive, this unit is the direct replacement for CONT1P025240VS. It features a 208 240V AC coil compatible with 50 60Hz frequencies, housing a built in shunt to maintain continuous power to the crankcase heater even when the compressor