The Thunderbird Drain Bottom 4" is a drains & scuppers for jobs that require - model/MPN RD4NH in the EA sell unit. Thunderbird Products is a manufacturer of superior quality copper and stainless steel roof drains, deck drains, vents, and pipe flashings, as well as edge metal and other items.

Key Specs

• Brand: -
• Model / MPN: RD4NH
• SKU: THUDB4
• Sell unit: EA
• Product type: Drains & Scuppers
• Size / color: 4"
• Category: Commercial Roofing | Commercial Roofing/Drains & Scuppers

Key Features

• Verify the exact model, size, color, sell unit, and system requirements before ordering.

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?

Thunderbird Drain Bottom 4", sold as EA, with SKU THUDB4 and manufacturer model/MPN RD4NH.

What model or part number should I match?

Match model/MPN RD4NH and confirm the brand is -. 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 - model/MPN RD4NH, SKU THUDB4, and the EA sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.