Precise Thermal Spec: Calibrated for 180°F cutout and 140°F differential reset to maintain safe operating parameters

As a veteran-grade replacement for the L-307-1

facilitating continuous flow in heating or cooling circuits

Does this valve require a minimum operating pressure

Universal Compatibility: Directly replaces the KMC M573-3108

Lennox 98L78 Tubing 320074-702 Precise Thermal Spec: Calibrated forThe Lennox 98L78 Tubing is a critical OEM replacement kit used for establishing airtight connections between furnace pressure switches and intake exhaust components. This high temperature pressure switch square tubing is engineered to withstand the rigorous thermal cycles found in modern condensing gas furnaces. As a veteran grade HVAC replacement part, this kit features an approximate 3 16 inch ID (inner diameter), ensuring accurate pneumatic signals