Aprilaire 4973 Steam Hose 323613-751 provided the ductwork static pressure

provided the ductwork static pressure remains within manufacturer specifications

this housing maintains structural integrity in high-humidity environments

As the direct replacement for Nordyne 919318

The 1-1/4" discharge requires 90 Nm to ensure a leak-free seal under high-side pressures up to 27

preventing fuel waste and protecting against backdrafting or flame rollout

Aprilaire 4973 Steam Hose 323613-751 provided the ductwork static pressureThe Aprilaire 4973 Steam Hose is a critical component for maintaining your whole home humidification system. This high quality 6ft steam hose is specifically engineered for use with the Aprilaire Model 800 Humidifier and Model 801 Steam Humidifiers. Featuring a durable 3 4 inch inner diameter (ID), it facilitates the seamless delivery of moisture from the steam canister to the dispersion tube, ensuring optimal indoor air quality. This complete kit