more reliable seal between the housing and the boiler nipple insertion tubes

Overtightening can damage the internal lead or the mica insulator

Designed for intermittent duty

this linkage ensures a non-binding connection

Nordyne 661045R Orifice more reliable seal between theThe 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