Lochinvar & A.O. Smith 100288430 Switch 321894-706 How do I prevent the

How do I prevent the motor shaft from sticking to the 98M74 hub

the 80M2901 is the manufacturer part number for the Lennox 80M29

Does this model support dead-end lockup

This 1/4 HP

Lochinvar & A.O. Smith 100288430 Switch 321894-706 How do I prevent theThe Lochinvar & A. O. Smith 100288430 Low Air Pressure Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a veteran technician knows, this normally open switch is calibrated to a precise 0. 75" water column (W. C.) set point. It serves as the primary "proof of airflow" for the inducer motor, ensuring that the combustion blower is creating sufficient negative pressure to safely evacuate flue