Lennox 11Y05 Commercial Thermostat 320788-704 the 36B0003N01 ensures internal system

the 36B0003N01 ensures internal system cleanliness during both heating and cooling cycles

Use a light abrasive or wire brush to remove oxidation

Long-Term Reliability: Features 360-degree circumferential contact with the shaft

preventing premature burnout during extended operational periods

Lennox 11Y05 Commercial Thermostat 320788-704 the 36B0003N01 ensures internal systemThe Lennox 11Y05 (Model C0STAT05FF1L) is a ComfortSense 3000 series commercial programmable thermostat designed for 2 stage heat 2 stage cool applications. Built for 24VAC conventional systems and heat pump units, this 5 2 day programmable controller allows for independent weekday and weekend schedules with up to four periods per day. As a non communicating thermostat, it provides reliable digital temperature control without the complexity of Wi Fi,