Lennox 55W64 High Pressure Switch

The Lennox 55W64 High-Pressure Switch is a safety device designed for HVAC systems to be installed in air conditioners and heat pumps. This switch tracks the refrigerant pressure in the system and will turn off the unit if the pressure gets too high. The High-Pressure Switch protects against pressure build-up which is too high and thus protects the compressor and other essentialparts. Its accurate and reliable response maintains the stability of the system within thequietline range, improveing general effectiveness and duration.