The Lennox 25A78 (Rectorseal 84004) Fortress LD92W Lineset Cover Straight Section provides a clean, professional solution for protecting and concealing HVAC linesets, control wiring, and drain tubing. This 7.5-foot straight duct section is designed for residential and light commercial installations, helping maintain a neat exterior appearance while shielding components from UV exposure, weather damage, and impact. Its 3.5-inch channel accommodates most standard and high-capacity lineset configurations, making it an ideal choice for heat pump and air conditioner installations. The LD92W features a white, paintable finish to blend seamlessly with exterior surfaces.

 

Technical Specifications:

• Model: Rectorseal 84004
• Lennox Part Number: 25A78
• Series: Fortress LD92W
• Product Type: Lineset Cover Straight Section
• Length: 7.5 ft (90 inches)
• Channel Size: 3.5 inches
• Material: UV-resistant PVC
• Color: White (paintable)
• Application: Conceals and protects refrigerant linesets, drain hoses, and control wires
• Compatibility: Suitable for mini-split, heat pump, and straight-cool systems
• Outdoor Rated: Yes, designed for long-term weather resistance