1.5" Rubber Grommet - Black

Your Price: $9.95

Waste Water Tank Use Only

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Part Number: WG-15-B

Availability: In Stock. 40

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Questions & Answers

1.5" Rubber Grommet used for Black Waste Tanks

Hole Saw Needed 2.25"

Customer will measure and determine where inlet will be placed on Black Waste Tank.

Use correct size hole saw bit in order to drill a hole in the tank and place grommet in hole. Grommet will secure inlet pipe with no adhesives needed.

Included are a few short videos displaying the grommet installation process.

Question: What are the difference between the grommets and the Uniseals?

Answer: Grommets are not food safe so can only be used for gray or waste applications, the Uniseal fittings are food safe so can be used for all applications.

Q: What size hole do I drill for this grommet

Asked by: John - 7/6/2021

A: 1.5" Rubber Grommet used for Black Waste Tanks

Hole Saw Needed 2.5"

Customer will measure and determine where inlet will be placed on Black Waste Tank.
Use correct size hole saw bit in order to drill a hole in the tank and place grommet in hole. Grommet will secure inlet pipe with no adhesives needed.

Included are a few short videos displaying the grommet installation process.

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Answer provided by: Customer Service (7/6/2021)

Q: Inside diameter of Gromit? recommended Outside diameter of the inserted pipe? For both the 1.5" and 3" please and thank you.

Asked by: Joshua - 4/3/2022

A: 1.5" Rubber Grommet used for Black Waste Tanks

Hole Saw Needed 2.5"

3" Rubber Grommet used in Black Water Holding Tank

Hole Saw Needed 4"

Customer will measure and determine where inlet will be placed on Black Waste Tank.
Use correct size hole saw bit in order to drill a hole in the tank and place grommet in hole. Grommet will secure inlet pipe with no adhesives needed.

Included on item page is a video displaying the grommet installation process.

Was this answer helpful? 0 of 0 Customer(s) found this Answer helpful.

Answer provided by: Customer Service (4/22/2022)

Q: Can this 1 1/2" grommet be used on the side of a grey water holding tank?

Asked by: Craig - 3/30/2023

A: We are no aware of that, the manufacturer has given instruction for top use.

You may want to use the Uniseal fitting as these can be placed in any location.

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Answer provided by: Customer Service (5/31/2023)

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