OMG Hercules RetroDrain TPO Coated Drain Aluminum with Aluminum Dome Silver 4"

The OMG Hercules RetroDrain TPO Coated Drain Aluminum with Aluminum Dome Silver 4" is a drains & scuppers for jobs that require OMG model/MPN HDTPO4A in the EA sell unit. Hercules RetroDrains have a one-piece spun aluminum body, heavy-duty cast aluminum strainer dome, and clamping ring for strength and durability.

Key Specs

• Brand: OMG
• Model / MPN: HDTPO4A
• SKU: OMGRDHTRDAD4
• Sell unit: EA
• Product type: Drains & Scuppers
• Size / color: 4"
• Category: Commercial Roofing | Commercial Roofing/Drains & Scuppers

Key Features

• Saves time and money by allowing easy installation from the rooftop without disturbing occupants
• Cast aluminum SuperDome available with flip top lid for easy cleaning
• Cast aluminum strainer dome and clamping ring that will not rust for long term durability and performance

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different drains & scuppers, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

OMG Hercules RetroDrain TPO Coated Drain Aluminum with Aluminum Dome Silver 4", sold as EA, with SKU OMGRDHTRDAD4 and manufacturer model/MPN HDTPO4A.

What model or part number should I match?

Match model/MPN HDTPO4A and confirm the brand is OMG. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the EA sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Verify the manufacturer instructions, local code, and project specification before installation or substitution.

Product Expert Notes

Choose this item when OMG model/MPN HDTPO4A, SKU OMGRDHTRDAD4, and the EA sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.