Direct Mounting: Simple and secure attachment to compatible Belimo damper and rotary actuators

Lockouts typically occur if the system fails to sense a flame within the 90-second TFI period

Constant Duty Design: Ferromagnetic construction ensures the transformer operates reliably under continuous ignition cycles

Key Benefits for Technicians: Balanced Port Design: Eliminates the influence of pressure drop variations

installing an STT18A-601R repair kit is the standard professional solution for restoring internal sealing performance

Nordyne 664090R Orifice 322056-301 Direct Mounting: Simple and secureThe Nordyne 664090R Orifice is a precision engineered . 090 restrictor orifice designed specifically for HVAC refrigerant metering in Nordyne, Intertherm, and Miller systems. This #90 fixed orifice expansion device ensures accurate mass flow of refrigerant into the evaporator coil, maintaining the required pressure drop for optimal thermal exchange. For contractors performing a mobile home furnace repair or AC system match up, using the correct