Ranco High Pressure 425 psi NC

Ranco normally closed high pressure switch with 1/4" female threads. Threads screw into refrigerant port on high side of HVAC equipment. Opens at 425 psig, closes again at 325. 1/4" male wire terminals. Typical with R22 or equivilent equipment.

This alternative brand is a perfect replacement for Dometic 4024300, 4024221 and 290000196.

Also an alternate for Wilspec 21-48-E.