The Zurn Z187 Oblique Scupper Drain is designed to provide secondary drainage relief through walls or roof edges, especially on pitched or sloped roofs. Its oblique grate and versatile outlet options help handle overflow water effectively while maintaining roof membrane integrity and architectural aesthetics.

Key Features

• Durable, Dura-coated cast iron body that resists corrosion and long-term exposure.

• Reversible back or bottom outlet for flexibility in connection layout.

• Oblique aluminum grate set within a 90° combination frame with a membrane flashing clamp to ensure proper sealing.

• Available in two body sizes: approximately 6 × 7 inches, or 8 × 12 inches.

• Multiple outlet connection sizes and types (threaded, no-hub, etc.) to match piping system requirements.

• Optional finishes for the grate (aluminum, polished bronze, nickel bronze, plain bronze) and accessories such as screens or adapters.

Downloads:

• Specification Sheet
• Installation Guide

Product Codes: Z187-2IP-6×7×12, Z187-3IP-6×7×12, Z187-4IP-6×7×12, Z187-2NH-6×7×12, Z187-3NH-6×7×12, Z187-4NH-6×7×12, Z187-2NL-6×7×12, Z187-3NL-6×7×12, Z187-4NL-6×7×12, Z187-2IP-6×8×12, Z187-3IP-6×8×12, Z187-4IP-6×8×12, Z187-2NH-6×8×12, Z187-3NH-6×8×12, Z187-4NH-6×8×12, Z187-2NL-6×8×12, Z187-3NL-6×8×12, Z187-4NL-6×8×12