Zurn RD2150 Retrofit Replacement Roof Drain.

Product Overview:

The Zurn RD2150 retrofit roof drain is engineered for renovation projects that need a new drain without removing the original drain body. Featuring a durable #16-gauge Type 304 stainless steel body and neoprene gasket, it fits inside the existing drain pipe and seals securely. The included Dura-Coated cast iron clamp collar and dome—complete with gravel guard and stainless steel hardware—ensure long-lasting performance and corrosion resistance.

Features & Benefits:

• Durable construction: 16‑gage Type 304 stainless steel body resists rust and corrosion

• Strong sealing system: Neoprene gasket and clamp collar create a reliable watertight connection

• Heavy-duty dome strainer: Cast iron dome with gravel guard prevents debris from entering drains

• Complete hardware kit: Includes stainless steel fasteners for superior durability

• Renovation-ready design: Inserts into existing drain bodies, saving time and labor

Specifications:

• Body material: 16-gauge Type 304 stainless steel

• Clamp collar and dome: Dura-Coated cast iron

• Gasket: Industrial-grade neoprene

• Accessories: Integral gravel guard, stainless steel hardware

• Suitable for: Retrofit applications in promenade deck and built-up roof systems

Installation Tips:

1. Clean and inspect the existing drain body before installation.

2. Insert the RD2150 body into the drain pipe until the gasket seats snugly.

3. Tighten the clamp collar evenly, ensuring the gravel guard is positioned above.

4. Secure the dome strainer with supplied stainless steel fasteners and complete any roofing membrane work.

5. Test the assembly by flooding the roof deck to check for leaks around the seal.

FAQs:

Q: Will this product fit on any existing roof drain?
A: It's designed to retrofit most conventional roof drains with vertical cast iron bodies—always verify your drain’s dimensions before ordering.

Q: Can I adjust the drain height or dome strainer position?
A: This model is fixed, but the clamp collar ensures a secure seal even if height varies slightly.

Q: Is the gravel guard included with the clamp assembly?
A: Yes, the Dura-Coated cast iron collar features an integrated gravel guard to prevent debris infiltration.

Q: What finish is available?
A: The entire assembly uses a Dura-Coated cast iron clamp and dome with stainless steel fasteners, providing a uniform corrosion-resistant finish.

Q: Does it come with installation instructions?
A: Yes, each unit includes detailed instructions. Technical and maintenance documents are available.