Emerson Alco 058123 Expansion Valve 30067439-890 This component is the primary

This component is the primary solution for Lennox 76K01 replacement needs and serves as a verified sub-component for several legacy parts

or incorrect gas pressure causing the unit to fire over its rated BTU capacity

it prevents heat exchanger damage by disrupting the burner circuit when internal plenum temperatures exceed safe thresholds

Rated for a comprehensive temperature range of -58°F to +572°F (-50°C to +300°C)

This board is engineered to maintain original factory specifications

Emerson Alco 058123 Expansion Valve 30067439-890 This component is the primaryThe Emerson Alco 058123 Expansion Valve is a high performance thermostatic expansion valve (TXV) engineered for precision refrigerant metering in medium temperature commercial refrigeration applications. Designed with a balanced port configuration, this HFESC 1 4 SC model ensures stable superheat control across a wide range of operating conditions, making it an essential component for technicians servicing systems running on R404A, R507, R448A, and