What is the difference between this and a standard Series 16 control

Rugged construction prevents mechanical slippage and ensures consistent damper positioning

OEM Precision Fit: Includes heavy-duty washers to provide a secure lock on 96451 unit heater mounts

this switch is a standard safety component for multiple Lennox furnace generations

protecting the structure from gas buildup

Johnson Controls VG7251NT Valve 322838-752 What is the difference betweenThe Johnson Controls VG7251NT is a heavy duty 1 inch globe valve engineered for precision fluid control in commercial HVAC systems. This 2 way normally open valve features a cast bronze body and brass trim, ensuring reliable performance in hot water, chilled water, or 15 psig saturated steam applications. With an 11. 6 Cv rating and equal percentage flow characteristics, the VG7251NT provides stable modulating control, preventing hunting in high