mechanical
Tankless Water Heater 20" Wall-Mount Drain Pan - Galvanized
A galvanized wall-mount drain pan positioned beneath a tankless water heater and its piping to collect leakage and incidental drips.
Mechanical · Electrical · Plumbing
Rough-in supplies for building behind-the-scenes
Explore water heater platforms, drain and drip pans, expansion tank brackets, and hanger strap kits. Compare technical data, build a quote, and request pricing for your next project.
Product Categories
For the Mechanical, Electrical, and Plumbing trades.
Mechanical
Mechanical rough-in products currently focused on HVAC drain pan kits with fittings, with additional trade-focused products being evaluated for future catalog expansion.
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Plumbing
Plumbing rough-in products including water heater wall-mount platforms, expansion tank bracket kits, and hanger strap kits.
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Featured Products
Explore products for the initial stages of construction.
- mechanical
Water Heater 24" Drain Pan - Galvanized
A square galvanized drain pan for secondary containment beneath a water heater. It collects leakage, condensation and incidental discharge from the heater and its connections.
- plumbing
Expansion Tank 2-Gallon Bracket - Galvanized
A galvanized bracket kit for a 2-gallon expansion tank. Sold individually and also included with the WHP-24-GA-C2 water-heater platform package.
- mechanical
Water Heater 24" Round Drain Pan - Rubber
A 24-inch round natural-rubber drain pan for water-heater leak containment, with a pre-drilled outlet and drain fitting.
- plumbing
Water Heater 24" Wall-Mount Platform - Galvanized
A galvanized wall-mount platform and drainage-pan assembly for water heaters up to 20 gallons. Includes one two-pack hanger strap kit. The expansion tank bracket kit is not included.
- plumbing
Water Heater 24" Wall-Mount Platform with Expansion Tank Bracket - Galvanized
A galvanized wall-mount platform and drainage-pan assembly for water heaters up to 20 gallons. Includes one two-pack hanger strap kit and the ETB-2-GA expansion tank bracket kit.
How Rough-In Works
Rough-In products are sold exclusively through wholesale distribution partners. We serve distributors, supply houses, contractors, builders, estimators, and architects with project-scale requirements.
01
Browse the catalog
Browse the current mechanical and plumbing catalog, or visit Electrical to suggest products Rough-In should prioritize next.
02
Build your product list
Add products to Quote Builder as you browse, then review quantities and include your project requirements.
03
Submit and get pricing
Send your quote request to discuss pricing, availability, and purchasing details with the Rough-In team.
Technical Resources
Specification guides, installation references, and buying guidance for plumbing professionals.
- Installation Guides
DWV Rough-In Basics: Sizing, Slope, and Venting
Drain-waste-vent systems fail silently at first — slow drains, gurgling, and sewer gas before anything backs up visibly. Getting the rough-in right means understanding the three variables that govern every DWV system: pipe size, slope, and vent configuration.
- Specification & Selection
Ball Valve vs. Gate Valve: How to Choose the Right Isolation Valve
Ball valves and gate valves both isolate supply lines — but they behave differently, wear differently, and suit different applications. Here's how to choose correctly for rough-in plumbing work.
- Installation Guides
Standard Rough-In Dimensions for Residential Plumbing
Reference guide for standard rough-in measurements for toilets, lavatories, kitchen sinks, showers, and water heaters. Covers both supply and drain rough-in with standard code-compliant clearances.
Ready to discuss your project?
Rough-In products are sold exclusively through wholesale distribution partners, serving contractors and commercial buyers. Contact our team to request pricing, discuss volume requirements, or submit a product list.