25" diameter orifice ensures optimal flow rates with minimal pressure drop across the liquid line

eliminating the calibration issues common with generic aftermarket alternatives

Always verify the connector type before installation

Built with corrosion-resistant materials and a precision-machined seat

including the HRM

Lennox 11Y05 Commercial Thermostat 322838-753 25" diameter orifice ensures optimalThe 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,