to ensure the regulator operates within its design parameters

this replacement blower wheel features a 4 1/4 inch diameter and a 2 7/16 inch width (often categorized as 2 1/2 inch in standard trade references) with a 1/2 inch bore to match standard motor shafts

48 inches Water Column to meet strict safety protocols for specific Weil McLain boiler series

reducing the need for multiple specialized modules

It is intended for technicians looking to repair the drive mechanism within the existing housing to save on material costs

Trane FUS2273 Fuse Holder 321042-401 to ensure the regulator operatesThe Trane FUS2273 is a professional grade cartridge fuse holder designed for critical circuit protection within residential and light commercial HVAC systems. This OEM Trane replacement part provides a secure, vibration resistant housing for 10A cartridge style fuses, ensuring consistent electrical continuity and equipment safety. Engineered for versatile field integration, the FUS2273 supports both in line and free hanging mounting configurations,