015-inch parallel and 0

Tamper Resistance: Equipped with tamper-resistant bonnet screws to prevent unauthorized field adjustments to the set point

Short cycling or mid-cycle lockouts are also frequent indicators of a drifting set point

which ensures the unit responds immediately to IR signal transmission

This HVAC vent motor assembly operates at 115V and is dynamically balanced to minimize vibration and bearing wear

Nordyne 661055R Orifice 321042-401 015-inch parallel and 0The Nordyne 661055R Orifice is a precision engineered #55 drill main burner orifice designed to maintain consistent manifold pressure and gas flow in high efficiency heating systems. As a veteran HVACR technician knows, precise gas metering is critical for achieving a clean blue flame and preventing incomplete combustion or sooting. This OEM main burner orifice serves as the direct replacement for the legacy part 661055, ensuring that gas velocity and