Would this mount to soffit with wood screws?

It would if you drill new holes between the existing holes. The existing holes are too large and the heads of the wood screws will not grab them unless you use washers.

is the stated 1 ½” size for the od or id of the pvc pipe?

A standard pvc pipe fits inside so it would be id of 1 1/2.

Schedule 40 1.5" pvc pipe is 1.92" od. how is that going to fit inside this flange?

Thank you for your inquiry on the NIBCO 4551-H Series PVC Pipe Fitting, Flange, Schedule 80, 1-1/2" Socket. If the 4551-H is 1 ½” size, Schedule 40 1 ½” pipe will fit inside the hub connection of the flange. The schedule number changes the dimension of sidewall thickness, while the OD remains the same. If you have additional questions, you can reach a NIBCO Technical Services Advisor, M-F 8am - 6pm EST, by phone at (888) 446-4226.

Nibco 4551-h series pvc pipe fitting, flange, schedule 80, 3/4" socket . 3/4 " pvc pipe will fit in the hole, right?

Thank you for your inquiry on the NIBCO 4551-H Series PVC Pipe Fitting, Flange, Schedule 80, 3/4" Socket. Yes, 3/4" PVC pipe will fit this material. If you have additional questions, you can reach a NIBCO Technical Services Advisor, M-F 8am - 6pm EST, by phone at (888) 446-4226.

Nibco Fig No U4551 H 1 1 4 In Pvc

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🔧 Connect, Conquer, and Create with Confidence!

EFFICIENT FLOW - Enjoy reduced friction and material buildup for optimal performance.
QUALITY ASSURANCE - Meets ASTM D1784 Class 12454-B standards for peace of mind.
CORROSION RESISTANCE - Say goodbye to rust and corrosion with durable PVC material.
JOIN WITH CONFIDENCE - Easily connect two pipes or valves with a reliable flange.
LIGHTWEIGHT POWERHOUSE - Experience the strength of PVC without the heavy weight of metal.

The NIBCO U4551H 11/4 HD SOC FLG PVC 80 is a high-quality flange designed for joining pipes or connecting valves in a piping system. Made from corrosion-resistant PVC, it offers high strength and a lightweight alternative to metal fittings. Its smooth interior finish minimizes friction and material buildup, ensuring efficient flow. This product meets ASTM D1784 Class 12454-B specifications, guaranteeing reliability and performance.

Reviews

P**R

Delivered to wrong address

Delivered to wrong address. Then product was warped bottom not flat. Could not attach to floor because of warped bottom. Usless

24.10.2023

S**N

A lot of home projects for this flange

I bought this for a home made Fender amplifier riser. The other one went to an led arm I added to a 3 row shelf. The last one is for a stand alone humiditstat in the bedroom. Built for life. Heavy duty. Into plumbing? This is it. All you need is RTV and bolts and 24 hours. *

16.02.2019

F**T

but that didn't effect the final results that were good. At least for what I did

so the base as another review has stated, is not flat. but that didn't effect the final results that were good. At least for what I did. Im happy!

17.01.2016

B**N

pvc

good product

1.04.2019

W**K

Solid piece

I use a lot of galvanized flanges, but couldn't find a plastic/pvc locally. Product not what I expected, but does what I needed them to do. The mounting holes on the galvanized are tapered and designed to take screws These have smooth bolt holes.

10.10.2013

D**.

Well made

This item seems well made and of good quality. It did exactly what I needed it to.

27.08.2017

O**B

Three Stars

Not flat.

8.10.2014

S**H

I recommend it.

Solid product and shipped promptly to me. I recommend it.

22.09.2017

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180.63 DT

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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NIBCO Fig No U4551-H, 1-1/4 in. PVC Socket Flange S, PVC Schedule 80, One-Piece Solid Design, Solvent Weld

Description

Reviews

Common Questions