Lennox 18J74 Pressure Switch Els PW 17895 This item typically includes the

This item typically includes the main wall mounting bracket

if the internal diaphragm has failed or the contacts are pitted

it provides precise spark generation

Standardized Mounting: The 1

making it suitable for hot gas bypass and liquid line applications

Lennox 18J74 Pressure Switch Els PW 17895 This item typically includes theThe Lennox 18J74 Pressure Switch is a high precision low ambient pressure switch engineered to regulate head pressure by cycling the outdoor fan motor during cooling cycles. Designed specifically for HVAC professionals, this OEM replacement part ensures your system maintains consistent evaporating temperatures, effectively preventing evaporator coil icing and protecting the compressor from liquid slugging. With an open temperature of 150F and a close