Designed for R134a and R513A refrigerants

Technicians rely on this unit to manage critical HVAC part compatibility across various Lennox furnace and heat pump models

including popular models like the LF24-50

The 24V coil and high-amperage contacts are built for fan center switching in furnaces

Always check the rating plate of the appliance to ensure the fuel type and orifice sizes match the valve settings

Titus HVAC 100066-01 Transformer 326058-757 Designed for R134a and R513AThe Titus HVAC 100066 01 Transformer is a heavy duty 277V to 24V step down transformer engineered for demanding commercial terminal unit applications. With a 50VA power rating, this component provides a stable low voltage power supply essential for operating VAV controllers, actuators, and electronic thermostats. The foot mount design ensures a secure mechanical connection to the control box chassis, while the primary 277V input is optimized for