Lennox Y5087 Unico UPC-01-3036 Return Air Box with Filter Grille is a genuine OEM HVAC return air assembly designed for 16 inch duct systems and compatible with a standard 14 x 30 x 1 inch air filter. This return air box provides proper airflow management, improved indoor air quality, and convenient front access for quick filter replacement. Engineered for residential and light commercial HVAC installations, it ensures balanced return air circulation while protecting critical furnace and air handler components from dust and airborne contaminants.
Brand
Unico
Catalog Number
Y5087
Model / Part Number
UPC-01-3036
Product Type
Return Air Box with Filter Grille
Duct Size
16 Inch
Filter Size
14 x 30 x 1 Inch
Base Unit of Measure
Unit
Product Overview
The Lennox Y5087 Return Air Box with integrated filter grille is built to factory specifications to deliver reliable system performance and easy maintenance. Designed for 16 inch return duct connections, it allows proper air movement back to the air handler or furnace, helping maintain system efficiency and temperature balance throughout the home or building.
The integrated grille design provides fast and simple filter access without disturbing duct connections, reducing service time and ongoing maintenance effort. When paired with a properly rated 14 x 30 x 1 inch air filter, this assembly helps improve air cleanliness, system longevity, and overall HVAC performance.
Key Features
• Genuine Lennox OEM part Y5087
• Unico UPC-01-3036 return air box assembly
• Designed for 16 inch duct connection
• Uses 14 x 30 x 1 inch standard air filter
• Integrated filter grille for easy maintenance
• Supports proper airflow and system balance
• Suitable for residential and light commercial HVAC applications
Applications
Ideal for forced air heating and cooling systems requiring a 16 inch return duct. Commonly used in Unico and compatible HVAC installations where accessible filter service and dependable airflow performance are critical.
Why Choose Genuine Lennox OEM Parts
Original Lennox replacement components ensure proper fit, dependable operation, and long service life. The Y5087 Return Air Box with Filter Grille helps maintain manufacturer specifications, system efficiency, and indoor air quality standards.
Lennox Y5087 Unico UPC-01-3036 Return Air Box with Filter Grille for 16 inch duct systems. Fits 14 x 30 x 1 inch filter. Genuine OEM HVAC return air assembly for improved airflow and indoor air quality.