Does the hub position matter

In the Maxitrol technical catalog

Field technicians will find the 5-inch insertion length compatible with common York and Source 1 equipment

this kit simplifies onsite upgrades

Helps restore steam trap efficiency by eliminating external leaks at the body joint

Marley Engineered Products 490062001 Motor Els PW 17895 Does the hub position matterThe Marley Engineered Products 490062001 Motor is a precision engineered 120V replacement motor designed for high performance service in commercial and residential heating units. Specifically engineered for compatibility with select Marley electric heaters and QMark Berko ventilation systems, this unit serves as a critical OEM replacement part to restore factory standard airflow and thermal efficiency. Operating at 120 Volts, the motor features a