Lennox 45L14 Orifice utilizing this exact Johnson Controls

utilizing this exact Johnson Controls replacement part is essential to maintain the original equipment manufacturer's dynamic airflow ratings and safety certifications

Standard service for VP513 and VP517 valves requires two spacers per valve

Using an OEM furnace limit switch is highly recommended to ensure the mounting footprint and thermal response curve match the original safety specifications of the floor furnace

including PG8HAA units and 58RAV series furnaces

31" short bracket design includes a ring cup for enhanced component stability

Lennox 45L14 Orifice utilizing this exact Johnson ControlsThe Lennox 45L14 LP Gas Burner Orifice is the direct performance grade replacement for the legacy LB 94569 model, specifically engineered for liquid propane (LP) conversion and maintenance in Lennox heating units. Built from high density brass to withstand the corrosive properties of constant gas exposure and thermal cycling, this component features a precision drilled . 055" orifice diameter. This exact sizing is critical for metering gas flow at the