Turning this adjustment knob counter-clockwise allows for gravity circulation

and centrifugal switch mechanisms as required by the manufacturer's technical specifications for this model series

Most failures stem from carbon fouling or "sooting" and cracked ceramic insulators caused by improper mounting torque or excessive thermal cycling

The 30°F differential ensures the switch resets automatically once the internal plenum temperature drops to 240°F

Danfoss 067N9209 Valve 318820-201 Turning this adjustment knob counter-clockwiseThe Danfoss 067N9209 is a high capacity Type TGEL 20 thermostatic expansion valve engineered for precision refrigerant metering in 15 ton R410A systems. Designed with a straight body configuration and 5 8" x 7 8" ODF solder connections, this valve is a critical component for specialized HVACR applications, including commercial chillers, rooftop units, and high performance heat pump systems. The externally equalized design, featuring a 1 4" ODF