New Lennox 57M66 1. 41 Wc Spst Pressure Switch Thermostats

Lennox 57M66 Enhanced HVAC system performance Precise temperature control Optimal airflow for energy efficiency Pressure rating of 41 Wc SPST configuration for reliable operation Seamless integration into existing systems Upgrade to maximize comfort and efficiency New Display Technology Thermostat.You may also like 57M67 Lennox 1.71"Wc Spst Pressure Switch OEM 57M67.