Lennox 55W64 Pressure Switch High Voltage Versatility: The 440VAC

High Voltage Versatility: The 440VAC rating makes it a robust upgrade for systems originally using 370V capacitors

Versatile Compatibility: Rated for Natural Gas

While it shares features with other limit controls

reducing installation time and ensuring proper airflow around the sensing element for accurate temperature control calibration

Lennox 55W64 Pressure Switch High Voltage Versatility: The 440VACThe Lennox 55W64 High Pressure Switch is an essential safety and operational component designed for high pressure monitoring in residential and commercial HVAC systems. This genuine OEM replacement part ensures your equipment operates within safe parameters, specifically engineered to actuate at 590 PSI and features an automatic reset at 418 PSI. As the direct replacement for discontinued models 30W18 and 30W1801, this switch maintains the integrity