including the 48HCD

Adjustable Differential: Offers field-adjustable trip points for precise synchronization with mechanical linkages

The Resideo ARD10TZ is a 10-inch automatic round damper engineered for precise zone control in residential and light commercial HVAC systems

Automated Reset: Features a reliable auto-reset mechanism that eliminates manual intervention after temporary thermal excursions

What is the difference between the RCA-48 and RC-4864

Lennox 29M12 TXV 322027-701 including the 48HCDThe Lennox 29M12 is a high capacity 6 ton thermal expansion valve designed to provide precise refrigerant metering in residential and light commercial split systems or package units. Featuring a 3 8" x 1 2" ODF sweat connection and a 30" capillary tube, this OEM expansion valve ensures rapid response to load changes by maintaining consistent superheat levels. It is factory calibrated for R 410A refrigerant, optimizing evaporator efficiency and