This fixed-bore blower pulley is designed to provide consistent torque transfer between the drive motor and the blower shaft

It is factory-set for natural gas (3

it eliminates the need for field programming or complex wiring modifications

you mitigate the risk of premature bearing failure and excessive noise often caused by universal plates that lack a precision fit

Aprilaire 1413 Upgrade Kit Els PW 17895 This fixed-bore blower pulley isThe Aprilaire 1413 Upgrade Kit is the professional grade solution for homeowners looking to modernize their air filtration systems. Designed specifically as a Space Gard 2400 upgrade, this kit allows you to transition from the outdated 401 filter to the high efficiency Aprilaire 413 filter. By utilizing a 16x25x4 MERV 13 filter, the system removes up to 75% more virus size particles and 40% more dust size particles compared to previous models. This