Browning 4L450 Belt 326058-755 What is the difference between

What is the difference between the K16RA-72 and the K16RA-72H

while the panel-mount design ensures a stable footprint within electrical cabinets or mechanical rooms

The Burnham Boiler 609600011 Rear Observation Port Kit is a direct OEM replacement component engineered specifically for Burnham V9 and V11 series cast iron boilers

while the internal diaphragm is responsive to minute pressure changes

Browning 4L450 Belt 326058-755 What is the difference betweenThe Browning 4L450 Belt is a heavy duty fractional horsepower V belt engineered specifically for light duty HVAC systems, blowers, and air handling units. Featuring a 45 inch outside diameter and a standard 4L section profile (1 2" top width x 9 32" thickness), this wrapped construction belt provides superior resistance to ambient heat and oil. Designed for high frequency drive cycles, the FHP V belt utilizes synthetic tensile cords to maintain