The Carrier 30RA502112 Expansion Valve is a critical thermostatic metering device engineered for precise refrigerant control in AquaSnap 30RAP and 30RB air-cooled chillers

It must be mounted within the airflow path to prevent overheating

replacing the entire burner head ensures the gas-to-air ratio meets the manufacturer's original combustion standards

and boiler plants

Trane LAT0051 Door Latch 322056-301 The Carrier 30RA502112 Expansion ValveAs a field technician, you know that maintainable air pressure and system integrity rely on the smallest components. The Trane LAT0051 Door Latch is a genuine OEM replacement part engineered specifically for Trane air handlers and rooftop units. Measuring approximately 3. 4 inches, this industrial grade latch is designed to secure HVAC access panels, ensuring a tight seal against the cabinet frame. By maintaining positive pressure and preventing air