ProTech
ProTech PD671611 181 Smooth Gray Mastic - 1 Gallon
ProTech PD671611 181 Smooth Gray Mastic - 1 Gallon
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ProTech PD671611 — 181 Smooth Gray Mastic - 1 Gallon.
Water-based For low, medium, and high pressure duct systems LEED EQ 4.1 Compliant Indoor/outdoor use Excellent adhesion and flexibility Mold and mildew resistant Low VOC
- Manufacturer part number: PD671611
- Brand: ProTech
- Category: Sealing, Caulking & Insulation
- Sold for HVAC / plumbing service replacement — verify OEM fitment before ordering
Frequently asked questions
What is PD671611?
ProTech PD671611 is sold as 181 SMOOTH GRAY MASTIC - 1 GALLON. Confirm fitment against your equipment model and the OEM part number before ordering.
Is this an OEM part number?
The manufacturer part number is PD671611. Our internal warehouse SKU uses a TL- prefix for inventory tracking.
How should I verify compatibility?
Match the full OEM part number on the old component or your unit's parts list. When in doubt, provide the equipment model number to your counter person.
Do you include installation instructions?
Follow the OEM service literature for your equipment. Disconnect power and recover refrigerant or isolate water as required before replacing parts.
What is your return policy on parts?
Unopened, unused parts in original packaging may be returned per store policy. Electrical and special-order items may be final sale — check the product page notes.
Is a GTIN/UPC available?
When a manufacturer GTIN is known it is listed in the barcode field. Some HVAC OEM parts ship without a retail UPC; brand and MPN still identify the product.
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