Zurn Side Outlet Roof Drain: Installation, Features, and Maintenance
Zurn Side Outlet Roof Drain combines reliability with efficient stormwater management for commercial, industrial, and residential projects. This article covers its design, key features, installation considerations, maintenance practices, and how to choose the right model for specific roofing systems. Readers will gain practical, actionable guidance to maximize performance and longevity of Zurn side outlet roof drains.
Overview Of Zurn Side Outlet Roof Drain
The Zurn side outlet roof drain is engineered to channel rainwater from roof surfaces into drainage systems through a side outlet configuration. This design helps accommodate parapets, skylights, and other roof features while maintaining debris control and structural integrity. Typical components include a clamping ring, strainer basket, drain body, and a side outlet adapter compatible with standard piping. Proper sizing, material selection, and installation orientation are essential to prevent backflow, clogs, and leaks.
Key Features And Benefits
- Durable Materials: Construction often uses cast iron or lead-free bronze and corrosion-resistant finishes suitable for varied climates.
- Side Outlet Compatibility: Side outlet design facilitates flexible routing around roof penetrations and edge details.
- Debris Shield And Strainer: Integrated strainers reduce debris ingress while allowing efficient water flow.
- Sealing And Drainage Performance: Gaskets and clamping mechanisms promote watertight connections and reliable drainage.
- Code Compliance: Models meet common industry standards for stormwater drainage and roof safety requirements.
Installation Considerations
Proper installation of a Zurn side outlet roof drain is critical to performance. Begin with confirming system compatibility, including roof type, deck material, and piping sizing. Position the drain to align with the roof slope and anticipated water volume. Use correct fasteners, sealants, and gaskets specified by Zurn. Ensure the side outlet threading and adapter match the downspout or horizontal run. After installation, perform a water test to verify suction, seal integrity, and absence of leaks around the clamping ring and strainer.
Step-By-Step Quick Guide
- Verify approved roof assembly and drainage calculations.
- Install the drain body into the roof penetration with appropriate sealant.
- Attach the side outlet adapter and verify alignment with the discharge piping.
- Install the strainer basket and secure the clamping ring.
- Connect downstream piping, then perform a drainage test.
Maintenance And Troubleshooting
Regular maintenance extends the life of a Zurn side outlet roof drain and prevents water intrusion. Schedule inspections to check for corrosion, sediment buildup, and gasket integrity. Clean the strainer basket as needed, ensuring no debris remains that could restrict flow. Periodically inspect the side outlet connection for leaks and verify that sealants remain intact after weather cycles. If backflow or slow drainage occurs, inspect for clogs in the drain line, verify proper slope, and confirm the side outlet is free of obstructions.
Common Issues And Fixes
- Remove debris from the strainer; check downstream piping for blockages.
- Re-seat and replace gaskets; ensure bolt torque matches manufacturer specs.
- Assess material compatibility and consider upgrading to a corrosion-resistant finish if applicable.
- Clean the drain line and strainers to prevent buildup and stagnant water.
Common Applications And Compliance
Zurn side outlet roof drains are suitable for flat and low-slope roofs where side discharge routes are advantageous. They are commonly used in industrial facilities, commercial buildings, schools, and multifamily housing. Compliance considerations include adhering to local building codes, fire life-safety requirements, and health department guidelines where applicable. When selecting a model, consult Zurn’s product data sheets for material suitability, flow rate ratings, and side outlet configurations to ensure alignment with project specifications.
Choosing The Right Model
Selecting the appropriate Zurn side outlet roof drain depends on roof area, rainfall intensity, and piping layout. Key factors include drainage capacity (gpm), inlet size, material compatibility with roof membranes, and the availability of compatible side outlet adapters. For high-sediment environments, consider screens with easy cleaning access. Compare models by examining flow curves, installation depth, and warranty terms. Consulting Zurn technical support or a licensed plumber can help tailor the choice to a specific project.
Model Comparison At A Glance
| Model | Material | Inlet Size | Side Outlet Type | Typical Applications | Notes |
|---|---|---|---|---|---|
| Zurn RP Drain A | Cast Iron | 4 in | Vertical Side Outlet | Commercial Flat Roofs | Heavy-duty, good for high rainfall areas |
| Zurn RP Drain B | Bronze | 3 in | Horizontal Side Outlet | Urban rooftop installations | Corrosion resistant, suitable for coastal regions |