Zurn Z742-GRATE | Cast Iron Replacement Grate for Z742 Floor Drains
Product Overview
The Zurn Z742-GRATE series delivers OEM-quality cast iron grates designed to restore performance and aesthetics to Zurn Z742 light-duty floor drains. These drains feature an integral double-wall trap, side outlet, and backwater valve. Each grate fits specific pipe connection sizes, ensuring a secure and precise replacement:
Fitment Options & Specifications
| Drain Model | Pipe Size | Grate OD | Open Area | Rim Thickness | Cast No. |
|---|---|---|---|---|---|
| Z742-2SP | 2″ | 7″ | 15 sq in | ¼″ | 38261‑1 |
| Z742-3SP | 3″ | 9⅜″ | 19 sq in | ½″ | 18694‑1 |
| Z742-4SP | 4″ | 10¾″ | 40 sq in | ½″ | 38600‑1 |
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Material: Durable, Dura-coated cast iron
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Drop-in Design: OEM-fit eliminates need for adjustments
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Functionality: Slotted patterns optimize drainage while blocking debris
Why Choose Z742 Grates?
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Perfect Fit: Designed exclusively for Z742 floor drains with accurate sizing
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Durable & Corrosion-Resistant: Cast iron with protective coating ensures longevity
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Enhanced Drainage: Ample open area per model supports efficient flow
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Easy Maintenance: Drop-in replacements allow fast service and minimal downtime
Frequently Asked Questions
Q: Do I need a sub-drain grate for my Z742 with a 3″ pipe?
A: Yes. Use the 9⅜″ grate (part 18694‑1), matching your pipe size and preserving drain layout.
Q: Are these grates compatible with top-drain units featuring backwater valves?
A: Absolutely—they integrate seamlessly with the Z742 models equipped with integral traps and backwater valves.
Q: How thick are the grates?
A: Rim thickness ranges from ¼″ (2″ pipe) to ½″ (3″ and 4″ pipes), supporting light-duty traffic conditions.
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