What is the difference between the -925 and the -875 versions

this uni-flo filter drier utilizes a compacted bead desiccant core to provide superior filtration down to 20 microns

54" WC trip point

180 in-lb Torque Output: High-torque capacity suitable for large air dampers and high-pressure valve assemblies

As a dedicated low pressure switch

Browning B26 Belt 340155-7024 What is the difference betweenThe Browning B26 V belt is a high performance Classical Section B power transmission component designed for heavy duty HVAC and industrial applications. This Super Gripbelt features a 29 inch outside circumference and a 27. 8 inch pitch length, meticulously engineered for standard B section sheaves. As a veteran technician knows, the wrapped construction of the B26 is superior for fan and blower motor drives, offering significantly greater tolerance