Nordyne 661045R Orifice sealed construction is built to

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

This 185F manual reset limit switch is designed to break the electrical circuit if the heat exchanger exceeds its safe operational threshold

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

making it a critical stock item for maintaining system uptime

ensuring the safety and reliability of Armstrong Air furnace parts installations without the need for field modifications or generic universal adapters

Nordyne 661045R Orifice sealed construction is built toThe 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