Nordyne 661045R Orifice 45-degree flare connections rely on

45-degree flare connections rely on a metal-to-metal seal

sealed construction is built to withstand the rigorous duty cycles found in residential and light commercial rooftop units

making it a critical stock item for maintaining system uptime

Is the HH18HA499 compatible with older Bryant models

As a direct replacement for 3TX7144-1E4

Nordyne 661045R Orifice 45-degree flare connections rely onThe Nordyne 661045R is a precision machined #45 Main Burner Orifice engineered specifically for technical compatibility with Nordyne HVAC equipment. As a critical component in the combustion manifold, this LP gas orifice (liquid propane) regulates fuel flow to ensure a stable gas burner flame and optimal thermal output. Designed for use in residential heating systems, including G6RA, G6RK, G6TA, G6TK, and MG1E series furnaces, this #45 drill size