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The MARKETAIR lps-55 is a molded gooseneck fitting designed for roof penetration applications in HVAC and ventilation systems. This fitting provides a weather-resistant termination point where ductwork or vent piping passes through a roof assembly. The gooseneck profile deflects rain, debris, and wind-driven moisture away from the duct opening, maintaining airflow integrity while protecting the interior from water intrusion. Licensed HVAC technicians and sheet metal contractors install this fitting as part of exhaust or supply air roof termination setups. The 10 x 5 inch size suits a range of standard duct configurations commonly found in residential and light commercial installations.
This gooseneck fitting is suited for roof penetration installations where a durable, molded termination cap is required. It is appropriate for exhaust duct outlets and supply air penetrations in residential homes, light commercial buildings, and similar structures. The molded construction provides consistent shape and fitment, making it a reliable choice for new construction and retrofit projects where a factory-formed profile is preferred over field-fabricated alternatives.
Designed as an OEM-style replacement or new-installation fitting for standard roof penetration applications in residential and light commercial HVAC and ventilation ductwork systems.
Installation is performed by licensed HVAC technicians or sheet metal contractors. Shut down the associated HVAC or ventilation system before beginning roof penetration work. Ensure the fitting is properly flashed and sealed at the roof deck in accordance with local building codes and manufacturer flashing requirements to prevent water infiltration. Follow all applicable mechanical and building codes for roof terminations in your jurisdiction.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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