Can it control fan speeds automatically

and 100173105

with a base resistance of approximately 4500 ohms at 77°F

5" WC natural gas pressure regulator to manage manifold pressure directly from the operator assembly

Engineered with a robust 4-inch stroke and a high-strength black plastic body

Lennox Y3653 Universal Twinning Kit THPU32HP7Y Can it control fan speedsThe Lennox Y3653 Universal Twinning Kit (also identified as Y365301) is an essential HVAC control component engineered to synchronize the operation of two separate HVAC units from a single 24V thermostat. Designed for multi stage heating and cooling applications, this twinning relay kit ensures balanced airflow and consistent load sharing across dual furnace installations or air conditioning systems. By utilizing a DPST relay configuration and 24Vac