Seal the Deal with the Ultimate 1-1/2" Uniseal Grommet for Tank Connections
The 1-1/2" Uniseal Grommet creates a reliable, watertight seal for tank fittings using 1.5" PVC Schedule 40 pipe. Designed for easy installation with a 2.5" hole saw, it fits tank walls up to 3/8" thick and is proudly made in the USA for lasting durability. Ideal for black water, gray water, or custom tank projects in your RV.---
1-1/2" Uniseal Grommet - Black U150
This grommet will connect your PVC Schedule 40 pipe to your tank and create a seal on your tank that will last!
Fitting Specifications:
- Pipe ID - 1.5" (38mm)
- Pipe OD - 1.90" (48mm)
- Hole Saw size: 2.5" (63mm)
- Up to 3/8" Wall Thickness. (9mm)
Sold in Each and made in the USA
Installation tips: Measure twice and after cutting your hole, smooth out any rough edges to get the best seal.
| Color | Black |
|---|---|
| Hole saw size (inches) | 2.5 |
| Hole saw size (millimeters) | 63 |
| Pipe inner diameter (inches) | 1.5 |
| Pipe outer diameter (inches) | 1.9 |
| Maximum wall thickness (inches) | 0.375 |
| Pipe inner diameter (millimeters) | 38 |
| Pipe outer diameter (millimeters) | 48 |
| Maximum wall thickness (millimeters) | 9 |
- What size pipe does the 1-1/2" uniseal grommet fit? The grommet fits PVC Schedule 40 pipe with an inner diameter of 1.5 inches (38mm) and an outer diameter of 1.90 inches (48mm).
- What size hole do i need to cut in my tank to install this grommet? You need to cut a 2.5 inch (63mm) hole in your tank to install the grommet properly.
- What is the maximum wall thickness of the tank that this grommet can seal? This grommet can seal tanks with a wall thickness of up to 3/8 inch (9mm).
- Is this 1-1/2" uniseal grommet made in the usa? Yes, this product is made in the USA.
- Do you have any installation tips for this uniseal grommet? Yes, measure twice before cutting your hole, and smooth out any rough edges after cutting to ensure the best seal.
100% Authentic OEM Parts
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.