The T-4002-201 is typically sold as the internal thermostat body

This 120V 1650W element features a 10

Does this valve require a minimum operating pressure

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

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

Lennox 98L78 Tubing 320074-702 The T-4002-201 is typically soldThe 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