Skip to the content

Free Shipping On Orders Over $89 | Call Our Experts Today

Search for products

(800) 468 5997

Heating
Plumbing
Fittings
Valves
HVAC
Irrigation
Hardware
Kitchen & Bath
Tools
Brands
About Us

Need help?

(800) 468 5997

Heating
Plumbing
Fittings
Valves
HVAC
Irrigation
Hardware
Kitchen & Bath
Tools
Brands
About Us

Your cart

Your cart is empty

3"

Home »4"

Collection: 3"

Filter products

Filter

Brand

Search

Artis Metals
Broan
Charlotte
Fernco
Matco-Norca
Metal-Fab
NDS
Nibco
Pasco
Red-White Valve
Sioux Chief
Smith-Blair
Spears Manufacturing
Viega

Series

Search

Viega ProPress

Type

Search

Bushings
Caps
Check Valves
Cleanout Plugs
Couplings
Elbows
Reducers
Repair Couplings
Tee Wyes
Tees
Vent Caps
Wall Vents
Wyes

Size

Search

1/4"
3/8"
1/2"
3/4"
1"
1-1/4"
1-1/2"
2"
2-1/2"
3"
3-1/2"
4"
5"
6"
7"
8"
10"

Connection Type

Search

Compression
Female Threaded
Socket
Spigot

Material

Search

ABS
Brass
Copper
Galvanized Steel

Material Ratings

Search

Schedule 40

Bend Angle

Search

45 Degrees
90 Degrees

Price

Search

Under $5
$5 to $10
$10 to $15
$15 to $20
$20 to $25
$25 to $50
$50 to $75
$75 to $100
$100 to $150
$150 to $200
$200 to $250
$250 to $300
$350 to $400
$600 to $650

Sort by:

48 Products

Fernco

1056-43 - Cast Iron / Lead / Plastic / Steel to Cast Iron / Lead / Plastic / Steel Flexible Coupling - 4" x 3"

In stock

(0)

Regular price $7.99
Viega

20723 - 4" x 4" x 3" ProPress XL-C Copper Tee (Lead Free)

In stock

(0)

Regular price $363.19
Viega

20730 - ProPress Zero Lead Copper XL-C Reducer with 4-Inch by 3-Inch P x P

In stock

(0)

Regular price $259.00
Viega

20783 - 4" x 3" ProPress XL-C Copper Reducer FTG x Press (Lead Free)

Only 1 left

(0)

Regular price $178.90
Smith-Blair

226 Full Circle Single Band Repair Clamp - 3.96-4.25" OD x 15"

Out of stock

(0)

Regular price $235.25

Out of stock
Smith-Blair

226 Full Circle Single Band Repair Clamp - 3.96-4.25" OD x 7-1/2"

Only 1 left

(0)

Regular price $220.92
Smith-Blair

226 Full Circle Single Band Repair Clamp - 3.96-4.25" OD x 7-1/2"

In stock

(0)

Regular price $130.04
Red-White Valve

246AB - Lead Free Brass Swing Check Valve - 200 WOG - Threaded

In stock

(0)

Regular price From $28.33

Select Options
Charlotte

31-8237 - 4" x 3" Hub ABS Closet Flange with Adjustable Metal Ring

In stock

(0)

Regular price $15.35
Metal-Fab

3PI4 - Biomass / Pellet Increaser - 3" to 4"

In stock

(0)

Regular price $49.70
Nibco

4" x 3" Fitting Reducer Ftg x C - Wrot Copper, 600-2

In stock

(0)

Regular price $115.41
Nibco

4" x 3" Reducing Coupling C x C - Wrot Copper, 600

In stock

(0)

Regular price $107.29
Spears Manufacturing

401-422 - 4" x 4" x 3" PVC Sch. 40 Reducing Tee

Out of stock

(0)

Regular price $40.38

Out of stock
Spears Manufacturing

437-422 - PVC Pipe Fitting, Bushing, Schedule 40, White, 4" Spigot x 3" Socket

In stock

(0)

Regular price $20.07
Metal-Fab

4PT3 - Biomass / Pellet Reduced Tap Tee with Pull-Off Cap - 4" x 3"

In stock

(0)

Regular price $139.00
Metal-Fab

4PT3A - Biomass / Pellet Reduced Tap Tee with Adapter - 4" x 3"

In stock

(0)

Regular price $161.00
Broan

636 - Steel Roof Cap for 3" or 4" Round Duct with Damper & Bird Screen - Black

In stock

(1)

Regular price $25.86
Nibco

812 - 4" x 3" Spigot ABS Closet Flange with Adjustable Metal Ring

In stock

(0)

Regular price $14.87
Sioux Chief

884-ATM - 3" Hub Total Knockout Flush to Floor Closet Flange w/ Stainless Steel Swivel Ring

In stock

(0)

Regular price $7.04
NDS

9P09 - PVC Downspout Adapter - 3" x 4" Downspout x 4" DWV / SCH40 Hub

In stock

(2)

Regular price $12.95
Pasco

Brass Raised Head Southern Code Cleanout Plug

In stock

(0)

Regular price From $2.75

Select Options
NDS

CPC-0750-T - 3/4" PVC Compression Coupling Tee

In stock

(0)

Regular price $10.49
Artis Metals

DWVG - Galvanized Wall Vent Cap with Damper

In stock

(2)

Regular price From $32.05

Select Options
Matco-Norca

Galvanized Malleable 45 Degree Elbow

In stock

(0)

Regular price From $3.36

Select Options

12

Fast Shipping!

Most items are ready ship immediately. Delivery in 2 to 3 business days!

Pro Program

Apply for our Pro Program and receive trade discounts!

We're Here to Help!

Our friendly staff is product certified and ready to help you!

Let's Keep in Touch

Stay updated on new products and promotions

Your email

We're here to help!
Monday - Friday
9:30 AM - 6:00 PM PST
(800) 468-5997

Customer Service

Contact Us
Pro Program
Returns

Company Info

Our Story
Shipping Policy

Legal

Terms of Service
Privacy Policy

Facebook
Instagram

© 2026, SupplyStop.com

Payment methods