Coyote 3″ to 2½″ Reducer Adapter (03-1827)

Overview

The Coyote 03-1827 Reducer Adapter makes it easy to adapt larger HVAC ducts to smaller hose lines.
Because many systems use mixed hose diameters, this adapter ensures a precise fit and consistent airflow through the size change.
Its compact body and smooth profile maintain airflow performance while saving space.

Function and Performance

This 3″ to 2½″ step-down adapter links mismatched duct sizes without creating turbulence.
Air passes through a gradual internal taper, keeping pressure loss low and flow noise minimal.
As a result, your HVAC system stays efficient, quiet, and well-balanced.
In addition, the tight friction-fit design prevents vibration loosening and air leaks.

Durability and Design

Coyote molds the 03-1827 from impact-resistant ABS plastic built to handle vibration, heat, and UV exposure.
Because the material holds its shape under stress, it delivers long-term reliability in demanding vehicle and industrial environments.
The smooth interior surface also helps reduce dust buildup and simplifies cleaning.

Installation

Installation is fast and tool-free.
Insert the 3-inch end into the larger outlet and slide the 2½-inch end into the smaller hose.
The stepped taper forms a snug seal that can be reinforced with clamps or sealant if desired.
This simple design allows quick retrofits and consistent results on assembly lines or in field service.

Applications

The Coyote 03-1827 Reducer Adapter is used in buses, RVs, construction equipment, ag machinery, and industrial HVAC systems.
It’s perfect for transitions between evaporator outlets, plenums, and smaller duct branches where 3″-to-2½″ conversions are required.

Specifications

• Series: Reducer Adapters

• Part Number: 03-1827

• Size: 3″ (76 mm) to 2½″ (63.5 mm)

• Material: Black ABS plastic

• Function: Step-down transition between duct sizes

• Applications: Bus, RV, truck, off-road, industrial HVAC

• Features: Smooth airflow, tight fit, easy installation, durable construction