Lennox 88J80 High Altitude Pressure Switch 0.37" WC

The Lennox 88J80 High Altitude Pressure Switch is a safety device manufactured specifically for Lennox HVAC systems to function in high-altitude environments. It performs the role of a pressure switch, carefully measuring air pressure within the system. Intended to operate at a pressure of 0.37 inches WC, it protects the system from possible damage by low-pressure conditions, which are characteristic of high altitude. This SPST switch can switch up to 5A Resistive at 125 VAC. Made of robust materials, it runs under a broad temperature of-65°F to 160°F.