Meridian 431451 Hose for Condensate Trap. Meridians goal is to provide contractors with high-quality HVAC solutions and replacement parts. This system includes changes and inventory updates to ensure peak performance. Meridian has a large line up parts and products for high-efficiency packaged rooftop units, split systems, HVAC controls, furnaces and indoor air quality products. This Meridian 431451 Hose is designed for the installation of Condensate Traps that allow the excess water to evacuate the system.