Lennox 87116 Sheave 30067439-890 calibrated with a trip threshold

calibrated with a trip threshold of 180°F to prevent heat exchanger damage or hazardous operating conditions

For example

Its spring return capability

and an open circuit when tested for continuity in the "on" position

VG7000 valves with slotted stems typically require factory-mounted actuators as no separate field adapter kits are offered for that specific series

Lennox 87116 Sheave 30067439-890 calibrated with a trip thresholdThe Lennox 87116 Sheave is a precision engineered single groove cast iron pulley designed for heavy duty HVAC blower and motor assemblies. Featuring an 8. 75" outside diameter and a 1" fixed bore, this component is essential for maintaining correct static pressure and airflow ratings in commercial air handling units. Constructed from high grade cast iron, it provides superior vibration dampening and thermal stability compared to lighter duty